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PROVISIONAL DATA SUBJECT TO REVISION

USGS 01010000 St. John River at Ninemile Bridge, Maine

Temperature, air, degrees Celsius
Most recent instantaneous value: 5.8 04-15-2026   10:00 EDTNext
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Discharge, cubic feet per second
Most recent instantaneous value: Ice 04-15-2026   10:00 EDTPrev   Next
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Daily discharge, cubic feet per second -- statistics for Apr 15 based on 74 water years of record more
Most Recent
Instantaneous
Value Apr 15		 Min
(1970)		 25th
percen-
tile		 Median Mean 75th
percen-
tile		 Max
(2024)
-- unavailable -- 355 1840 4960 6410 8050 21600

Gage height, feet
Most recent instantaneous value: 7.20 04-15-2026   10:00 EDTPrev   Next
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USGS 01010070 Big Black River near Depot Mtn, Maine

Discharge, cubic feet per second
Most recent instantaneous value: Ice 04-15-2026   10:00 EDTPrev   Next
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Daily discharge, cubic feet per second -- statistics for Apr 15 based on 42 water years of record more
Most Recent
Instantaneous
Value Apr 15		 Min
(2007)		 25th
percen-
tile		 Median Mean 75th
percen-
tile		 Max
(1994)
-- unavailable -- 86.3 687 1070 1320 1840 4000

Gage height, feet
Most recent instantaneous value: 9.50 04-15-2026   10:00 EDTPrev   Next
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USGS 01010500 St. John River at Dickey, Maine

Discharge, cubic feet per second
Most recent instantaneous value: Ice 04-15-2026   10:00 EDTPrev   Next
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Daily discharge, cubic feet per second -- statistics for Apr 15 based on 78 water years of record more
Most Recent
Instantaneous
Value Apr 15		 Min
(1971)		 25th
percen-
tile		 Median Mean 75th
percen-
tile		 Max
(2024)
-- unavailable -- 725 3500 9200 12200 15000 41400

Gage height, feet
Most recent instantaneous value: 9.95 04-15-2026   10:00 EDTPrev   Next
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USGS 01011000 Allagash River near Allagash, Maine

Temperature, water, degrees Celsius
Most recent instantaneous value: 1.4 04-15-2026   10:00 EDTPrev   Next
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Temperature, water, degrees Fahrenheit
Most recent instantaneous value: 34.5 04-15-2026   10:00 EDTPrev   Next
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Temperature, air, degrees Celsius
 
-- Data temporarily unavailable for the time period specified --

Discharge, cubic feet per second
Most recent instantaneous value: Ice 04-15-2026   10:00 EDTPrev   Next
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Daily discharge, cubic feet per second -- statistics for Apr 15 based on 93 water years of record more
Most Recent
Instantaneous
Value Apr 15		 Min
(1943)		 25th
percen-
tile		 Median Mean 75th
percen-
tile		 Max
(2024)
-- unavailable -- 245 1610 3050 4320 6540 12900

Gage height, feet
Most recent instantaneous value: 5.76 04-15-2026   10:00 EDTPrev   Next
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USGS 01011500 St. Francis River near Connors, New Brunswick

Discharge, cubic feet per second
Most recent instantaneous value: 1180 04-15-2026   09:30 EDTPrev   Next
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Gage height, feet
Most recent instantaneous value: 4.50 04-15-2026   09:30 EDTPrev   Next
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USGS 01012960 Fish River at Soldier Pond, Maine
*** There are no data available on the Waterdata system for the time period specified,
    although data may be available in the files of the local USGS office operating the station.
USGS 01013500 Fish River near Fort Kent, Maine

Discharge, cubic feet per second
Most recent instantaneous value: 2430 04-15-2026   09:45 EDTPrev   Next
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Daily discharge, cubic feet per second -- statistics for Apr 15 based on 95 water years of record more
Min
(1944)		 25th
percen-
tile		 Median Most Recent
Instantaneous
Value Apr 15		 Mean 75th
percen-
tile		 Max
(1951)
205 1140 2320 2430 2920 4310 8470

Gage height, feet
Most recent instantaneous value: 5.36 04-15-2026   09:45 EDTPrev   Next
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USGS 01014000 St. John River below Fish R, nr Fort Kent, Maine

Discharge, cubic feet per second
Most recent instantaneous value: Ice 04-15-2026   09:30 EDTPrev   Next
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Daily discharge, cubic feet per second -- statistics for Apr 15 based on 98 water years of record more
Most Recent
Instantaneous
Value Apr 15		 Min
(1939)		 25th
percen-
tile		 Median Mean 75th
percen-
tile		 Max
(2024)
-- unavailable -- 1230 6720 16200 21500 33500 71300

Gage height, feet
Most recent instantaneous value: 11.21 04-15-2026   09:30 EDTPrev   Next
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USGS 01015800 Aroostook River near Masardis, Maine

Discharge, cubic feet per second
Most recent instantaneous value: Ice 04-15-2026   09:15 EDTPrev   Next
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Daily discharge, cubic feet per second -- statistics for Apr 15 based on 67 water years of record more
Most Recent
Instantaneous
Value Apr 15		 Min
(1970)		 25th
percen-
tile		 Median Mean 75th
percen-
tile		 Max
(2024)
-- unavailable -- 460 1650 3730 4450 5710 13300

Gage height, feet
Most recent instantaneous value: 9.72 04-15-2026   09:15 EDTPrev   Next
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USGS 01017000 Aroostook River at Washburn, Maine

Discharge, cubic feet per second
Most recent instantaneous value: Ice 04-15-2026   10:00 EDTPrev   Next
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Daily discharge, cubic feet per second -- statistics for Apr 15 based on 94 water years of record more
Most Recent
Instantaneous
Value Apr 15		 Min
(1944)		 25th
percen-
tile		 Median Mean 75th
percen-
tile		 Max
(2024)
-- unavailable -- 615 3320 6090 7750 10600 23900

Gage height, feet
Most recent instantaneous value: 6.90 04-15-2026   10:00 EDTPrev   Next
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USGS 01017060 Hardwood Brook below Glidden Brk nr Caribou, Maine

Discharge, cubic feet per second
Most recent instantaneous value: Ice 04-15-2026   09:20 EDTPrev   Next
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Daily discharge, cubic feet per second -- statistics for Apr 15 based on 15 water years of record more
Most Recent
Instantaneous
Value Apr 15		 Min
(2021)		 25th
percen-
tile		 Median Mean 75th
percen-
tile		 Max
(2014)
-- unavailable -- 12.0 16 46 67 101 185

Gage height, feet
Most recent instantaneous value: 2.43 04-15-2026   09:20 EDTPrev   Next
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USGS 01017290 Little Madawaska River at Caribou, Maine

Discharge, cubic feet per second
Most recent instantaneous value: Ice 04-15-2026   09:30 EDTPrev   Next
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Daily discharge, cubic feet per second -- statistics for Apr 15 based on 16 water years of record more
Most Recent
Instantaneous
Value Apr 15		 Min
(2018)		 25th
percen-
tile		 Mean Median 75th
percen-
tile		 Max
(2017)
-- unavailable -- 373 890 1790 1800 2650 3730

Gage height, feet
Most recent instantaneous value: 6.34 04-15-2026   09:30 EDTPrev   Next
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USGS 01017550 Williams Brook at Phair, Maine

Discharge, cubic feet per second
Most recent instantaneous value: Ice 04-15-2026   09:45 EDTPrev   Next
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Daily discharge, cubic feet per second -- statistics for Apr 15 based on 25 water years of record more
Most Recent
Instantaneous
Value Apr 15		 Min
(2007)		 25th
percen-
tile		 Median Mean 75th
percen-
tile		 Max
(2014)
-- unavailable -- 7.19 11 22 39 60 193

Gage height, feet
Most recent instantaneous value: 2.25 04-15-2026   09:45 EDTPrev   Next
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USGS 01017960 Meduxnekeag R above S Br Medux. R nr Houlton, ME

Discharge, cubic feet per second
Most recent instantaneous value: 695 04-15-2026   09:45 EDTPrev   Next
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Daily discharge, cubic feet per second -- statistics for Apr 15 based on 22 water years of record more
Min
(2007)		 25th
percen-
tile		 Median Most Recent
Instantaneous
Value Apr 15		 Mean 75th
percen-
tile		 Max
(2020)
157 359 692 695 765 1190 1730

Gage height, feet
Most recent instantaneous value: 4.89 04-15-2026   09:45 EDTPrev   Next
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USGS 01018000 Meduxnekeag River near Houlton, Maine
*** There are no data available on the Waterdata system for the time period specified,
    although data may be available in the files of the local USGS office operating the station.
USGS 01018009 Pearce Brook at Route 1 at Houlton, Maine

Discharge, cubic feet per second
Most recent instantaneous value: 54.1 04-15-2026   09:30 EDTPrev   Next
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Daily discharge, cubic feet per second -- statistics for Apr 15 based on 17 water years of record more
Min
(2021)		 25th
percen-
tile		 Most Recent
Instantaneous
Value Apr 15		 Median Mean 75th
percen-
tile		 Max
(2014)
13.1 31 54.1 56 70 110 214

Gage height, feet
Most recent instantaneous value: 2.74 04-15-2026   09:30 EDTPrev   Next
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USGS 01018035 Meduxnekeag River at Lowery Rd. nr Houlton, Maine

Temperature, water, degrees Celsius, [Thermistor]
Most recent instantaneous value: 3.6 04-15-2026   09:45 EDTPrev   Next
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Temperature, water, degrees Fahrenheit, [Thermistor]
Most recent instantaneous value: 38.5 04-15-2026   09:45 EDTPrev   Next
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Discharge, cubic feet per second
Most recent instantaneous value: 1940 04-15-2026   09:45 EDTPrev   Next
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Daily discharge, cubic feet per second -- statistics for Apr 15 based on 20 water years of record more
Min
(2007)		 25th
percen-
tile		 Most Recent
Instantaneous
Value Apr 15		 Median Mean 75th
percen-
tile		 Max
(2020)
455 822 1940 2030 2340 3560 5250

Gage height, feet
Most recent instantaneous value: 5.48 04-15-2026   09:45 EDTPrev   Next
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Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius
 
-- Data temporarily unavailable for the time period specified --

Dissolved oxygen, water, unfiltered, milligrams per liter
 
-- Data temporarily unavailable for the time period specified --

pH, water, unfiltered, field, standard units
 
-- Data temporarily unavailable for the time period specified --
USGS 01018500 St. Croix River at Vanceboro, Maine

Discharge, cubic feet per second
Most recent instantaneous value: 267 04-15-2026   10:00 EDTPrev   Next
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Daily discharge, cubic feet per second -- statistics for Apr 15 based on 97 water years of record more
Min
(1938)		 25th
percen-
tile		 Most Recent
Instantaneous
Value Apr 15		 Median Mean 75th
percen-
tile		 Max
(2024)
72.0 229 267 289 772 1010 3680

Gage height, feet
Most recent instantaneous value: 3.94 04-15-2026   10:00 EDTPrev   Next
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USGS 01018900 West Grand Lake at Grand Lake Stream, Maine

Temperature, water, degrees Celsius
Most recent instantaneous value: 5.4 04-15-2026   10:00 EDTPrev   Next
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Temperature, water, degrees Fahrenheit
Most recent instantaneous value: 41.7 04-15-2026   10:00 EDTPrev   Next
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Lake or reservoir water surface elevation above NAVD 1988, feet
Most recent instantaneous value: 298.31 04-15-2026   10:00 EDTPrev   Next
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USGS 01019000 Grand Lake Stream at Grand Lake Stream, Maine

Discharge, cubic feet per second
Most recent instantaneous value: 135 04-15-2026   10:00 EDTPrev   Next
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Daily discharge, cubic feet per second -- statistics for Apr 15 based on 96 water years of record more
Min
(1931)		 Most Recent
Instantaneous
Value Apr 15		 25th
percen-
tile		 Median Mean 75th
percen-
tile		 Max
(2024)
52.0 135 142 241 361 406 1990

Gage height, feet
Most recent instantaneous value: 1.85 04-15-2026   10:00 EDTPrev   Next
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USGS 01019300 Lewy Lake at Princeton, Maine

Temperature, water, degrees Celsius
Most recent instantaneous value: 7.7 04-15-2026   09:45 EDTPrev   Next
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Temperature, water, degrees Fahrenheit
Most recent instantaneous value: 45.9 04-15-2026   09:45 EDTPrev   Next
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Lake or reservoir water surface elevation above NAVD 1988, feet
Most recent instantaneous value: 202.34 04-15-2026   09:45 EDTPrev   Next
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USGS 01021000 St. Croix River at Baring, Maine

Discharge, cubic feet per second
Most recent instantaneous value: 2560 04-15-2026   10:15 EDTPrev   Next
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Daily discharge, cubic feet per second -- statistics for Apr 15 based on 66 water years of record more
Min
(1985)		 Most Recent
Instantaneous
Value Apr 15		 25th
percen-
tile		 Median Mean 75th
percen-
tile		 Max
(2024)
1960 2560 3340 4920 5390 7140 12200

Gage height, feet
Most recent instantaneous value: 6.22 04-15-2026   10:15 EDTPrev   Next
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USGS 01021050 St. Croix River at Milltown, Maine

Temperature, water, degrees Celsius
Most recent instantaneous value: 8.2 04-15-2026   09:45 EDTPrev   Next
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Temperature, water, degrees Fahrenheit
Most recent instantaneous value: 46.8 04-15-2026   09:45 EDTPrev   Next
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Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius
Most recent instantaneous value: 60 04-15-2026   09:45 EDTPrev   Next
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Dissolved oxygen, water, unfiltered, milligrams per liter
Most recent instantaneous value: 11.2 04-15-2026   09:45 EDTPrev   Next
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pH, water, unfiltered, field, standard units
Most recent instantaneous value: 6.9 04-15-2026   09:45 EDTPrev   Next
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USGS 01021060 St. Croix River at Calais, Maine
*** There are no data available on the Waterdata system for the time period specified,
    although data may be available in the files of the local USGS office operating the station.
USGS 01021200 Dennys River at Dennysville, Maine
*** There are no data available on the Waterdata system for the time period specified,
    although data may be available in the files of the local USGS office operating the station.
USGS 01021230 Cathance Stream at Edmunds, Maine
*** There are no data available on the Waterdata system for the time period specified,
    although data may be available in the files of the local USGS office operating the station.
USGS 01021452 Mopang Stream near Beddington ME
*** There are no data available on the Waterdata system for the time period specified,
    although data may be available in the files of the local USGS office operating the station.
USGS 01021470 Libby Brook near Northfield, Maine

Discharge, cubic feet per second
Most recent instantaneous value: 17.7 04-15-2026   09:30 EDTPrev   Next
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Daily discharge, cubic feet per second -- statistics for Apr 15 based on 24 water years of record more
Min
(2021)		 Most Recent
Instantaneous
Value Apr 15		 25th
percen-
tile		 Median Mean 75th
percen-
tile		 Max
(2015)
9.36 17.7 18 26 33 49 71.3

Gage height, feet
Most recent instantaneous value: 1.96 04-15-2026   09:30 EDTPrev   Next
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USGS 01021480 Old Stream near Wesley, Maine

Discharge, cubic feet per second
Most recent instantaneous value: 75.4 04-15-2026   09:30 EDTPrev   Next
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Daily discharge, cubic feet per second -- statistics for Apr 15 based on 27 water years of record more
Min
(2012)		 Most Recent
Instantaneous
Value Apr 15		 25th
percen-
tile		 Median Mean 75th
percen-
tile		 Max
(2014)
45.9 75.4 100 163 175 235 464

Gage height, feet
Most recent instantaneous value: 4.52 04-15-2026   09:30 EDTPrev   Next
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USGS 01021500 Machias River at Whitneyville, Maine
*** There are no data available on the Waterdata system for the time period specified,
    although data may be available in the files of the local USGS office operating the station.
USGS 01022210 Pleasant River above Colonel Brk nr Crebo Flat, ME
*** There are no data available on the Waterdata system for the time period specified,
    although data may be available in the files of the local USGS office operating the station.
USGS 01022220 Pleasant River near Crebo Flat, Maine
*** There are no data available on the Waterdata system for the time period specified,
    although data may be available in the files of the local USGS office operating the station.
USGS 01022260 Pleasant River near Epping, Maine
*** There are no data available on the Waterdata system for the time period specified,
    although data may be available in the files of the local USGS office operating the station.
USGS 01022294 East Br Bear Brook near Beddington, Maine
*** There are no data available on the Waterdata system for the time period specified,
    although data may be available in the files of the local USGS office operating the station.
USGS 01022295 West Br Bear Brook near Beddington, Maine
*** There are no data available on the Waterdata system for the time period specified,
    although data may be available in the files of the local USGS office operating the station.
USGS 01022330 Narraguagus River at Deblois, Maine
*** There are no data available on the Waterdata system for the time period specified,
    although data may be available in the files of the local USGS office operating the station.
USGS 01022500 Narraguagus River at Cherryfield, Maine

Temperature, water, degrees Celsius, [(2)]
 
-- Data temporarily unavailable for the time period specified --

Discharge, cubic feet per second
Most recent instantaneous value: 663 04-15-2026   10:00 EDTPrev   Next
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Daily discharge, cubic feet per second -- statistics for Apr 15 based on 78 water years of record more
Min
(2012)		 Most Recent
Instantaneous
Value Apr 15		 25th
percen-
tile		 Median Mean 75th
percen-
tile		 Max
(2020)
322 663 761 1090 1210 1380 3710

Gage height, feet
Most recent instantaneous value: 9.49 04-15-2026   10:00 EDTPrev   Next
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USGS 01022800 Old Mill Brook at Old Norway Dr nr Bar Harbor, ME
*** There are no data available on the Waterdata system for the time period specified,
    although data may be available in the files of the local USGS office operating the station.
USGS 01022835 Cadillac Brook near Bar Harbor, Maine
*** There are no data available on the Waterdata system for the time period specified,
    although data may be available in the files of the local USGS office operating the station.
USGS 01022840 Otter Creek near Bar Harbor, Maine

Discharge, cubic feet per second
Most recent instantaneous value: 5.24 04-15-2026   10:05 EDTPrev   Next
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Daily discharge, cubic feet per second -- statistics for Apr 15 based on 18 water years of record more
Min
(2012)		 25th
percen-
tile		 Median Most Recent
Instantaneous
Value Apr 15		 75th
percen-
tile		 Mean Max
(2019)
1.21 2.5 4.9 5.24 7.7 8.9 56.3

Gage height, feet
Most recent instantaneous value: 2.09 04-15-2026   10:05 EDTPrev   Next
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USGS 01022860 Hadlock Bk nr Cedar Swamp Mtn nr Northeast Hbr, ME
*** There are no data available on the Waterdata system for the time period specified,
    although data may be available in the files of the local USGS office operating the station.
USGS 010228955 Outlet Bass Hbr Marsh at Rt 102 at Tremont, Maine
*** There are no data available on the Waterdata system for the time period specified,
    although data may be available in the files of the local USGS office operating the station.
USGS 01027200 North Branch Penobscot River nr Pittston Farm, ME

Discharge, cubic feet per second
Most recent instantaneous value: 5400 04-15-2026   10:00 EDTPrev   Next
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Daily discharge, cubic feet per second -- statistics for Apr 15 based on 24 water years of record more
Min
(2007)		 25th
percen-
tile		 Median Mean 75th
percen-
tile		 Most Recent
Instantaneous
Value Apr 15		 Max
(2014)
89.9 826 1880 2160 3000 5400 7640

Gage height, feet
Most recent instantaneous value: 8.32 04-15-2026   10:00 EDTPrev   Next
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USGS 01027240 S. Br. Penobscot River nr Canada Falls Lake, Maine

Discharge, cubic feet per second
Most recent instantaneous value: 4510 04-15-2026   10:15 EDTPrev   Next
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Daily discharge, cubic feet per second -- statistics for Apr 15 based on 9 water years of record more
Min
(2021)		 25th
percen-
tile		 Median Mean 75th
percen-
tile		 Most Recent
Instantaneous
Value Apr 15		 Max
(2023)
327 536 1350 1820 2490 4510 5460

Gage height, feet
Most recent instantaneous value: 8.57 04-15-2026   10:15 EDTPrev   Next
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USGS 01029100 E. Br. Penobscot River below Grand Lake Matagamon

Temperature, water, degrees Celsius
Most recent instantaneous value: 2.9 04-15-2026   09:45 EDTPrev   Next
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Temperature, water, degrees Fahrenheit
Most recent instantaneous value: 37.2 04-15-2026   09:45 EDTPrev   Next
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Temperature, air, degrees Celsius
Most recent instantaneous value: 5.7 04-15-2026   09:45 EDTPrev   Next
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Temperature, air, degrees Fahrenheit
Most recent instantaneous value: 42.3 04-15-2026   09:45 EDTPrev   Next
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Discharge, cubic feet per second
Most recent instantaneous value: 835 04-15-2026   09:45 EDTPrev   Next
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Daily discharge, cubic feet per second -- statistics for Apr 15 based on 1 water years of record more
Most Recent
Instantaneous
Value Apr 15		 Mean Min
(2025)		 Median Max
(2025)
835 1090 1090 1090 1090

Gage height, feet
Most recent instantaneous value: 3.56 04-15-2026   09:45 EDTPrev   Next
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USGS 01029200 Seboeis River near Shin Pond, Maine

Discharge, cubic feet per second
Most recent instantaneous value: 1060 04-15-2026   10:00 EDTPrev   Next
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Daily discharge, cubic feet per second -- statistics for Apr 15 based on 27 water years of record more
Min
(2007)		 25th
percen-
tile		 Most Recent
Instantaneous
Value Apr 15		 Mean Median 75th
percen-
tile		 Max
(2020)
125 703 1060 1160 1180 1570 2070

Gage height, feet
Most recent instantaneous value: 7.83 04-15-2026   10:00 EDTPrev   Next
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USGS 01029500 East Branch Penobscot River at Grindstone, Maine

Discharge, cubic feet per second
Most recent instantaneous value: 5880 04-15-2026   10:00 EDTPrev   Next
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Daily discharge, cubic feet per second -- statistics for Apr 15 based on 104 water years of record more
Min
(1944)		 25th
percen-
tile		 Median Mean Most Recent
Instantaneous
Value Apr 15		 75th
percen-
tile		 Max
(1940)
600 2830 4170 5000 5880 6140 17100

Gage height, feet
Most recent instantaneous value: 8.23 04-15-2026   10:00 EDTPrev   Next
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USGS 01030000 PENOBSCOT RIVER NEAR MATTAWAMKEAG, ME
*** There are no data available on the Waterdata system for the time period specified,
    although data may be available in the files of the local USGS office operating the station.
USGS 01030350 Wytopitlock Stream near Wytopitlock Maine

Discharge, cubic feet per second
Most recent instantaneous value: 243 04-15-2026   09:15 EDTPrev   Next
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Daily discharge, cubic feet per second -- statistics for Apr 15 based on 16 water years of record more
Min
(2012)		 25th
percen-
tile		 Most Recent
Instantaneous
Value Apr 15		 Median Mean 75th
percen-
tile		 Max
(2020)
101 225 243 382 442 657 1010

Gage height, feet
Most recent instantaneous value: 3.93 04-15-2026   09:15 EDTPrev   Next
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USGS 01030500 Mattawamkeag River near Mattawamkeag, Maine

Discharge, cubic feet per second
Most recent instantaneous value: 6250 04-15-2026   09:15 EDTPrev   Next
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Daily discharge, cubic feet per second -- statistics for Apr 15 based on 91 water years of record more
Min
(1939)		 25th
percen-
tile		 Most Recent
Instantaneous
Value Apr 15		 Median Mean 75th
percen-
tile		 Max
(1993)
1680 5510 6250 8020 8630 11200 25900

Gage height, feet
Most recent instantaneous value: 9.55 04-15-2026   09:15 EDTPrev   Next
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USGS 01031300 Piscataquis River at Blanchard, Maine

Discharge, cubic feet per second
Most recent instantaneous value: 996 04-15-2026   09:30 EDTPrev   Next
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Daily discharge, cubic feet per second -- statistics for Apr 15 based on 29 water years of record more
Min
(2007)		 25th
percen-
tile		 Median Mean Most Recent
Instantaneous
Value Apr 15		 75th
percen-
tile		 Max
(2014)
128 447 667 950 996 1510 2190

Gage height, feet
Most recent instantaneous value: 6.57 04-15-2026   09:30 EDTPrev   Next
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USGS 01031450 Kingsbury Stream at Abbot Village, Maine

Discharge, cubic feet per second
Most recent instantaneous value: 765 04-15-2026   09:30 EDTPrev   Next
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Daily discharge, cubic feet per second -- statistics for Apr 15 based on 28 water years of record more
Min
(2012)		 25th
percen-
tile		 Median Most Recent
Instantaneous
Value Apr 15		 Mean 75th
percen-
tile		 Max
(2019)
87.1 397 700 765 869 1390 2210

Gage height, feet
Most recent instantaneous value: 8.97 04-15-2026   09:30 EDTPrev   Next
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USGS 01031500 Piscataquis River near Dover-Foxcroft, Maine

Temperature, water, degrees Celsius
 
-- Data temporarily unavailable for the time period specified --

Discharge, cubic feet per second
Most recent instantaneous value: 1960 04-15-2026   09:30 EDTPrev   Next
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Daily discharge, cubic feet per second -- statistics for Apr 15 based on 123 water years of record more
Min
(1926)		 25th
percen-
tile		 Median Most Recent
Instantaneous
Value Apr 15		 Mean 75th
percen-
tile		 Max
(1909)
270 1110 1720 1960 2140 2620 7860

Gage height, feet
Most recent instantaneous value: 4.91 04-15-2026   09:30 EDTPrev   Next
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USGS 01031510 Black Stream near Dover-Foxcroft, Maine

Discharge, cubic feet per second
Most recent instantaneous value: 96.3 04-15-2026   09:30 EDTPrev   Next
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Daily discharge, cubic feet per second -- statistics for Apr 15 based on 17 water years of record more
Min
(2012)		 Most Recent
Instantaneous
Value Apr 15		 25th
percen-
tile		 Median Mean 75th
percen-
tile		 Max
(2020)
24.5 96.3 104 218 245 364 643

Gage height, feet
Most recent instantaneous value: 4.04 04-15-2026   09:30 EDTPrev   Next
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USGS 01033000 Sebec River at Sebec, Maine

Discharge, cubic feet per second
Most recent instantaneous value: 1510 04-15-2026   10:00 EDTPrev   Next
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Daily discharge, cubic feet per second -- statistics for Apr 15 based on 71 water years of record more
Min
(1957)		 25th
percen-
tile		 Most Recent
Instantaneous
Value Apr 15		 Median Mean 75th
percen-
tile		 Max
(1993)
118 1170 1510 1590 1780 2260 5440

Gage height, feet
Most recent instantaneous value: 4.47 04-15-2026   10:00 EDTPrev   Next
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USGS 01034000 Piscataquis River at Medford, Maine

Discharge, cubic feet per second
Most recent instantaneous value: 6290 04-15-2026   09:15 EDTPrev   Next
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Daily discharge, cubic feet per second -- statistics for Apr 15 based on 94 water years of record more
Min
(1939)		 25th
percen-
tile		 Most Recent
Instantaneous
Value Apr 15		 Median Mean 75th
percen-
tile		 Max
(1940)
1230 4290 6290 6610 7730 10000 26000

Gage height, feet
Most recent instantaneous value: 5.66 04-15-2026   09:15 EDTPrev   Next
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USGS 01034500 Penobscot River at West Enfield, Maine

Discharge, cubic feet per second
Most recent instantaneous value: 21100 04-15-2026   09:30 EDTPrev   Next
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Daily discharge, cubic feet per second -- statistics for Apr 15 based on 123 water years of record more
Min
(1926)		 25th
percen-
tile		 Most Recent
Instantaneous
Value Apr 15		 Median Mean 75th
percen-
tile		 Max
(1940)
9800 19100 21100 26600 30300 36600 95900

Gage height, feet
Most recent instantaneous value: 7.32 04-15-2026   09:30 EDTPrev   Next
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USGS 01036390 Penobscot River at Eddington, Maine

Temperature, water, degrees Celsius
 
-- Data temporarily unavailable for the time period specified --

Discharge, cubic feet per second
 
-- Data temporarily unavailable for the time period specified --

Gage height, feet
Most recent instantaneous value: 6.57 04-15-2026   09:30 EDTPrev   Next
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Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius
 
-- Data temporarily unavailable for the time period specified --

Dissolved oxygen, water, unfiltered, milligrams per liter
 
-- Data temporarily unavailable for the time period specified --

pH, water, unfiltered, field, standard units
 
-- Data temporarily unavailable for the time period specified --

Turbidity, water, unfiltered, monochrome near infra-red LED light, 780-900 nm, detection angle 90 +-2.5 degrees, formazin nephelometric units (FNU)
 
-- Data temporarily unavailable for the time period specified --
USGS 01037000 Kenduskeag Stream near Bangor, Maine

Discharge, cubic feet per second
Most recent instantaneous value: 623 04-15-2026   09:15 EDTPrev   Next
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Daily discharge, cubic feet per second -- statistics for Apr 15 based on 26 water years of record more
Min
(2021)		 25th
percen-
tile		 Most Recent
Instantaneous
Value Apr 15		 Median Mean 75th
percen-
tile		 Max
(1909)
174 615 623 1200 1520 2120 5420

Gage height, feet
Most recent instantaneous value: 5.25 04-15-2026   09:15 EDTPrev   Next
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USGS 01037050 Penobscot River at Bangor, Maine

Gage height, feet, [Feet above NAVD88, radar]
Most recent instantaneous value: 7.88 04-15-2026   10:06 EDTPrev   Next
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USGS 01037380 Ducktrap River near Lincolnville, Maine

Temperature, water, degrees Celsius
 
-- Data temporarily unavailable for the time period specified --

Discharge, cubic feet per second
Most recent instantaneous value: 36.0 04-15-2026   09:15 EDTPrev   Next
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Daily discharge, cubic feet per second -- statistics for Apr 15 based on 26 water years of record more
Min
(2012)		 25th
percen-
tile		 Most Recent
Instantaneous
Value Apr 15		 Median Mean 75th
percen-
tile		 Max
(2020)
11.3 33 36.0 63 87 128 238

Gage height, feet
Most recent instantaneous value: 2.50 04-15-2026   09:15 EDTPrev   Next
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USGS 01038000 Sheepscot River at North Whitefield, Maine

Temperature, water, degrees Celsius
 
-- Data temporarily unavailable for the time period specified --

Discharge, cubic feet per second
Most recent instantaneous value: 267 04-15-2026   09:45 EDTPrev   Next
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Daily discharge, cubic feet per second -- statistics for Apr 15 based on 87 water years of record more
Min
(2012)		 Most Recent
Instantaneous
Value Apr 15		 25th
percen-
tile		 Median Mean 75th
percen-
tile		 Max
(1940)
123 267 420 637 755 963 2830

Gage height, feet
Most recent instantaneous value: 3.04 04-15-2026   09:45 EDTPrev   Next
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USGS 01042500 Kennebec River at The Forks, Maine

Discharge, cubic feet per second
Most recent instantaneous value: 2060 04-15-2026   10:00 EDTPrev   Next
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Daily discharge, cubic feet per second -- statistics for Apr 15 based on 122 water years of record more
Min
(1965)		 25th
percen-
tile		 Most Recent
Instantaneous
Value Apr 15		 Median Mean 75th
percen-
tile		 Max
(2024)
409 1350 2060 2170 2750 3680 11900

Gage height, feet
Most recent instantaneous value: 3.31 04-15-2026   10:00 EDTPrev   Next
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USGS 01043500 Dead River near Dead River, Maine

Discharge, cubic feet per second
Most recent instantaneous value: 132 04-15-2026   10:15 EDTPrev   Next
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Daily discharge, cubic feet per second -- statistics for Apr 15 based on 54 water years of record more
Min
(1966)		 25th
percen-
tile		 Most Recent
Instantaneous
Value Apr 15		 Median Mean 75th
percen-
tile		 Max
(1953)
1.40 30 132 403 973 1170 4880

Gage height, feet
Most recent instantaneous value: 2.84 04-15-2026   10:15 EDTPrev   Next
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USGS 01044550 Spencer Stream near Grand Falls, Maine

Discharge, cubic feet per second
Most recent instantaneous value: 3910 04-15-2026   09:45 EDTPrev   Next
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Daily discharge, cubic feet per second -- statistics for Apr 15 based on 25 water years of record more
Min
(2007)		 25th
percen-
tile		 Median Mean 75th
percen-
tile		 Max
(2023)		 Most Recent
Instantaneous
Value Apr 15
249 601 950 1390 1930 3540 3910

Gage height, feet
Most recent instantaneous value: 7.28 04-15-2026   09:45 EDTPrev   Next
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USGS 01046000 Austin Stream at Bingham, Maine

Discharge, cubic feet per second
Most recent instantaneous value: 710 04-15-2026   09:30 EDTPrev   Next
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Daily discharge, cubic feet per second -- statistics for Apr 15 based on 55 water years of record more
Min
(1939)		 25th
percen-
tile		 Median Mean Most Recent
Instantaneous
Value Apr 15		 75th
percen-
tile		 Max
(1964)
60.0 311 503 668 710 1050 1830

Gage height, feet
Most recent instantaneous value: 6.21 04-15-2026   09:30 EDTPrev   Next
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USGS 01046500 Kennebec River at Bingham, Maine

Discharge, cubic feet per second
Most recent instantaneous value: 9600 04-15-2026   09:15 EDTPrev   Next
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Daily discharge, cubic feet per second -- statistics for Apr 15 based on 97 water years of record more
Min
(2012)		 25th
percen-
tile		 Median Mean 75th
percen-
tile		 Most Recent
Instantaneous
Value Apr 15		 Max
(2024)
1830 3600 5450 6910 9320 9600 23400

Gage height, feet
Most recent instantaneous value: 9.43 04-15-2026   09:15 EDTPrev   Next
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USGS 01047000 Carrabassett River near North Anson, Maine

Discharge, cubic feet per second
Most recent instantaneous value: 3650 04-15-2026   10:00 EDTPrev   Next
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Daily discharge, cubic feet per second -- statistics for Apr 15 based on 105 water years of record more
Min
(2012)		 25th
percen-
tile		 Median Mean 75th
percen-
tile		 Most Recent
Instantaneous
Value Apr 15		 Max
(2014)
367 1300 1770 2350 3160 3650 8380

Gage height, feet
Most recent instantaneous value: 7.17 04-15-2026   10:00 EDTPrev   Next
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USGS 01047150 Kennebec River near Madison, Maine

Discharge, cubic feet per second
Most recent instantaneous value: 13900 04-15-2026   09:45 EDTPrev   Next
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Daily discharge, cubic feet per second -- statistics for Apr 15 based on 17 water years of record more
Min
(2012)		 25th
percen-
tile		 Mean Most Recent
Instantaneous
Value Apr 15		 Median 75th
percen-
tile		 Max
(2024)
2350 5920 13700 13900 15600 20700 28600

Gage height, feet
Most recent instantaneous value: 7.05 04-15-2026   09:45 EDTPrev   Next
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USGS 01047200 Sandy River near Madrid, Maine

Discharge, cubic feet per second
Most recent instantaneous value: 446 04-15-2026   10:00 EDTPrev   Next
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Daily discharge, cubic feet per second -- statistics for Apr 15 based on 16 water years of record more
Min
(2012)		 25th
percen-
tile		 Median Mean 75th
percen-
tile		 Most Recent
Instantaneous
Value Apr 15		 Max
(2014)
37.6 95 257 266 354 446 874

Gage height, feet
Most recent instantaneous value: 6.68 04-15-2026   10:00 EDTPrev   Next
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USGS 01048000 Sandy River near Mercer, Maine

Discharge, cubic feet per second
Most recent instantaneous value: 3740 04-15-2026   10:00 EDTPrev   Next
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Daily discharge, cubic feet per second -- statistics for Apr 15 based on 88 water years of record more
Min
(2012)		 25th
percen-
tile		 Median Mean Most Recent
Instantaneous
Value Apr 15		 75th
percen-
tile		 Max
(2014)
495 2000 3150 3710 3740 5030 11200

Gage height, feet
Most recent instantaneous value: 6.30 04-15-2026   10:00 EDTPrev   Next
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USGS 01048220 East Branch Wesserunsett Stream near Athens, Maine

Discharge, cubic feet per second
Most recent instantaneous value: 144 04-15-2026   10:00 EDTPrev   Next
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Daily discharge, cubic feet per second -- statistics for Apr 15 based on 16 water years of record more
Min
(2012)		 25th
percen-
tile		 Most Recent
Instantaneous
Value Apr 15		 Median Mean 75th
percen-
tile		 Max
(2014)
19.7 69 144 162 206 316 598

Gage height, feet
Most recent instantaneous value: 4.01 04-15-2026   10:00 EDTPrev   Next
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USGS 01049000 Sebasticook River near Pittsfield, Maine
*** There are no data available on the Waterdata system for the time period specified,
    although data may be available in the files of the local USGS office operating the station.
USGS 01049130 JOHNSON BROOK AT SOUTH ALBION,ME
*** There are no data available on the Waterdata system for the time period specified,
    although data may be available in the files of the local USGS office operating the station.
USGS 01049205 Kennebec River near Waterville, ME
*** There are no data available on the Waterdata system for the time period specified,
    although data may be available in the files of the local USGS office operating the station.
USGS 01049265 Kennebec River at North Sidney, Maine

Discharge, cubic feet per second
Most recent instantaneous value: 20800 04-15-2026   09:15 EDTPrev   Next
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Daily discharge, cubic feet per second -- statistics for Apr 15 based on 39 water years of record more
Min
(2012)		 25th
percen-
tile		 Median Most Recent
Instantaneous
Value Apr 15		 Mean 75th
percen-
tile		 Max
(2020)
3800 14200 17600 20800 23300 35500 47600

Gage height, feet
Most recent instantaneous value: 10.02 04-15-2026   09:15 EDTPrev   Next
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USGS 01049320 Kennebec River at Calumet Bridge at Augusta, Maine

Gage height, feet
Most recent instantaneous value: 4.16 04-15-2026   10:12 EDTPrev   Next
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USGS 01049330 Kennebec River at Hallowell, Maine

Gage height, feet
Most recent instantaneous value: 2.67 04-15-2026   10:06 EDTPrev   Next
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USGS 01049373 MILL STREAM AT WINTHROP, ME
*** There are no data available on the Waterdata system for the time period specified,
    although data may be available in the files of the local USGS office operating the station.
USGS 01049500 Cobbosseecontee Stream at Gardiner, Maine

Discharge, cubic feet per second
Most recent instantaneous value: 243 04-15-2026   09:45 EDTPrev   Next
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Daily discharge, cubic feet per second -- statistics for Apr 15 based on 108 water years of record more
Min
(2012)		 Most Recent
Instantaneous
Value Apr 15		 25th
percen-
tile		 Median Mean 75th
percen-
tile		 Max
(1920)
43.1 243 345 855 1020 1540 3580

Gage height, feet
Most recent instantaneous value: 3.90 04-15-2026   09:45 EDTPrev   Next
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USGS 01049505 Kennebec River at Gardiner, Maine

Gage height, feet
Most recent instantaneous value: 2.83 04-15-2026   10:00 EDTPrev   Next
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USGS 01049550 Togus Stream at Togus, Maine
*** There are no data available on the Waterdata system for the time period specified,
    although data may be available in the files of the local USGS office operating the station.
USGS 01051620 Umbagog Lake at Birch Camp, at Magalloway Plt, ME
*** There are no data available on the Waterdata system for the time period specified,
    although data may be available in the files of the local USGS office operating the station.
USGS 01051705 Umbagog Lake nr Dead Cambridge inlet, at Upton, ME
*** There are no data available on the Waterdata system for the time period specified,
    although data may be available in the files of the local USGS office operating the station.
USGS 01051715 Umbagog Lake near Tyler Cove, near Upton, ME
*** There are no data available on the Waterdata system for the time period specified,
    although data may be available in the files of the local USGS office operating the station.
USGS 01052500 Diamond River near Wentworth Location, NH

Discharge, cubic feet per second
Most recent instantaneous value: 4400 04-15-2026   10:00 EDTPrev   Next
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Daily discharge, cubic feet per second -- statistics for Apr 15 based on 83 water years of record more
Min
(1975)		 25th
percen-
tile		 Median Mean 75th
percen-
tile		 Most Recent
Instantaneous
Value Apr 15		 Max
(2002)
160 392 695 1090 1450 4400 5490

Gage height, feet
Most recent instantaneous value: 7.77 04-15-2026   10:00 EDTPrev   Next
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USGS 01053500 Androscoggin River at Errol, NH

Discharge, cubic feet per second
Most recent instantaneous value: 4640 04-15-2026   10:15 EDTPrev   Next
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Daily discharge, cubic feet per second -- statistics for Apr 15 based on 121 water years of record more
Min
(1923)		 25th
percen-
tile		 Median Mean 75th
percen-
tile		 Most Recent
Instantaneous
Value Apr 15		 Max
(2002)
400 1250 1820 2060 2630 4640 6530

Gage height, feet
Most recent instantaneous value: 4.46 04-15-2026   10:15 EDTPrev   Next
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USGS 01053600 Androscoggin River below Bog Brook at Cambridge NH

Discharge, cubic feet per second
Most recent instantaneous value: 5410 04-15-2026   10:15 EDTPrev   Next
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Daily discharge, cubic feet per second -- statistics for Apr 15 based on 17 water years of record more
Min
(2012)		 25th
percen-
tile		 Median Mean Most Recent
Instantaneous
Value Apr 15		 75th
percen-
tile		 Max
(2022)
1060 1970 3820 3930 5410 5960 7190

Gage height, feet
Most recent instantaneous value: 3.92 04-15-2026   10:15 EDTPrev   Next
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USGS 01054000 Androscoggin River near Gorham, NH

Discharge, cubic feet per second
Most recent instantaneous value: 6170 04-15-2026   09:15 EDTPrev   Next
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Daily discharge, cubic feet per second -- statistics for Apr 15 based on 106 water years of record more
Min
(2012)		 25th
percen-
tile		 Median Mean 75th
percen-
tile		 Most Recent
Instantaneous
Value Apr 15		 Max
(2002)
1280 2430 3230 3920 4920 6170 12900

Gage height, feet
Most recent instantaneous value: 5.92 04-15-2026   09:15 EDTPrev   Next
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USGS 01054114 Peabody River at Gorham, New Hampshire

Discharge, cubic feet per second
Most recent instantaneous value: 495 04-15-2026   10:00 EDTPrev   Next
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Daily discharge, cubic feet per second -- statistics for Apr 15 based on 13 water years of record more
Min
(2016)		 25th
percen-
tile		 Median Most Recent
Instantaneous
Value Apr 15		 75th
percen-
tile		 Mean Max
(2014)
108 167 374 495 625 683 3980

Gage height, feet
Most recent instantaneous value: 4.21 04-15-2026   10:00 EDTPrev   Next
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USGS 01054200 Wild River at Gilead, Maine

Temperature, water, degrees Celsius
 
-- Data temporarily unavailable for the time period specified --

Temperature, water, degrees Celsius, [Mid-channel]
Most recent instantaneous value: 6.4 04-15-2026   10:15 EDTPrev   Next
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Temperature, water, degrees Fahrenheit
Most recent instantaneous value: 43.5 04-15-2026   10:15 EDTPrev   Next
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Discharge, cubic feet per second
Most recent instantaneous value: 627 04-15-2026   10:15 EDTPrev   Next
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Daily discharge, cubic feet per second -- statistics for Apr 15 based on 61 water years of record more
Min
(2012)		 25th
percen-
tile		 Median Mean Most Recent
Instantaneous
Value Apr 15		 75th
percen-
tile		 Max
(2014)
80.4 205 348 552 627 652 5190

Gage height, feet
Most recent instantaneous value: 3.35 04-15-2026   10:15 EDTPrev   Next
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USGS 01054300 Ellis River at South Andover, Maine

Discharge, cubic feet per second
Most recent instantaneous value: 1130 04-15-2026   09:30 EDTPrev   Next
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Daily discharge, cubic feet per second -- statistics for Apr 15 based on 45 water years of record more
Min
(2012)		 25th
percen-
tile		 Median Mean Most Recent
Instantaneous
Value Apr 15		 75th
percen-
tile		 Max
(2014)
144 456 678 899 1130 1210 2770

Gage height, feet
Most recent instantaneous value: 11.30 04-15-2026   09:30 EDTPrev   Next
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USGS 01054500 Androscoggin River at Rumford, Maine

Discharge, cubic feet per second
Most recent instantaneous value: 10800 04-15-2026   10:15 EDTPrev   Next
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Daily discharge, cubic feet per second -- statistics for Apr 15 based on 124 water years of record more
Min
(2012)		 25th
percen-
tile		 Median Mean 75th
percen-
tile		 Most Recent
Instantaneous
Value Apr 15		 Max
(2002)
2100 4750 6250 8090 10500 10800 29800

Gage height, feet
Most recent instantaneous value: 7.40 04-15-2026   10:15 EDTPrev   Next
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USGS 01055000 Swift River near Roxbury, Maine

Discharge, cubic feet per second
Most recent instantaneous value: 1540 04-15-2026   10:00 EDTPrev   Next
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Daily discharge, cubic feet per second -- statistics for Apr 15 based on 95 water years of record more
Min
(1939)		 25th
percen-
tile		 Median Mean 75th
percen-
tile		 Most Recent
Instantaneous
Value Apr 15		 Max
(2014)
94.0 267 442 657 859 1540 3930

Gage height, feet
Most recent instantaneous value: 4.51 04-15-2026   10:00 EDTPrev   Next
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USGS 01055220 Dead River at Leeds, Maine
*** There are no data available on the Waterdata system for the time period specified,
    although data may be available in the files of the local USGS office operating the station.
USGS 01055500 Nezinscot River at Turner Center, Maine
*** There are no data available on the Waterdata system for the time period specified,
    although data may be available in the files of the local USGS office operating the station.
USGS 01056400 The Basin outlet at North Auburn, Maine
*** There are no data available on the Waterdata system for the time period specified,
    although data may be available in the files of the local USGS office operating the station.
USGS 01056480 Townsend Brook near Auburn, Maine
*** There are no data available on the Waterdata system for the time period specified,
    although data may be available in the files of the local USGS office operating the station.
USGS 01056505 Bobbin Mill Brook near Auburn, Maine
*** There are no data available on the Waterdata system for the time period specified,
    although data may be available in the files of the local USGS office operating the station.
USGS 01057000 Little Androscoggin River near South Paris, Maine

Discharge, cubic feet per second
Most recent instantaneous value: 277 04-15-2026   09:15 EDTPrev   Next
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Daily discharge, cubic feet per second -- statistics for Apr 15 based on 104 water years of record more
Min
(2012)		 25th
percen-
tile		 Most Recent
Instantaneous
Value Apr 15		 Median Mean 75th
percen-
tile		 Max
(2014)
56.2 255 277 401 480 647 1560

Gage height, feet
Most recent instantaneous value: 3.93 04-15-2026   09:15 EDTPrev   Next
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USGS 01059000 Androscoggin River near Auburn, Maine

Discharge, cubic feet per second
Most recent instantaneous value: 11600 04-15-2026   09:15 EDTPrev   Next
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Daily discharge, cubic feet per second -- statistics for Apr 15 based on 97 water years of record more
Min
(2012)		 25th
percen-
tile		 Most Recent
Instantaneous
Value Apr 15		 Median Mean 75th
percen-
tile		 Max
(2002)
3090 9680 11600 13800 15300 20100 39900

Gage height, feet
Most recent instantaneous value: 6.30 04-15-2026   09:15 EDTPrev   Next
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USGS 01059555 Back River Crk at Pleasant Cove nr Woolwich, Maine
*** There are no data available on the Waterdata system for the time period specified,
    although data may be available in the files of the local USGS office operating the station.
USGS 01059800 Collyer Brook near Gray, Maine
*** There are no data available on the Waterdata system for the time period specified,
    although data may be available in the files of the local USGS office operating the station.
USGS 01060000 Royal River at Yarmouth, Maine

Discharge, cubic feet per second
Most recent instantaneous value: 323 04-15-2026   09:30 EDTPrev   Next
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Daily discharge, cubic feet per second -- statistics for Apr 15 based on 61 water years of record more
Min
(2021)		 Most Recent
Instantaneous
Value Apr 15		 25th
percen-
tile		 Median Mean 75th
percen-
tile		 Max
(2001)
139 323 328 519 714 1010 2100

Gage height, feet
Most recent instantaneous value: 1.89 04-15-2026   09:30 EDTPrev   Next
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USGS 01063100 Crooked River near Naples, Maine
*** There are no data available on the Waterdata system for the time period specified,
    although data may be available in the files of the local USGS office operating the station.
USGS 01063310 Stony Brook at East Sebago, Maine

Discharge, cubic feet per second
Most recent instantaneous value: 2.48 04-15-2026   09:45 EDTPrev   Next
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Daily discharge, cubic feet per second -- statistics for Apr 15 based on 30 water years of record more
Min
(2012)		 Most Recent
Instantaneous
Value Apr 15		 25th
percen-
tile		 Median Mean 75th
percen-
tile		 Max
(2001)
0.88 2.48 2.5 4.2 5.2 7.9 15.0

Gage height, feet
Most recent instantaneous value: 4.14 04-15-2026   09:45 EDTPrev   Next
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USGS 01063452 Standish Brook at mouth, at Sebago Lake, Maine
*** There are no data available on the Waterdata system for the time period specified,
    although data may be available in the files of the local USGS office operating the station.
USGS 01063995 Sebago Lake near North Windham, Maine

Lake or reservoir water surface elevation above NGVD 1929, feet
Most recent instantaneous value: 264.26 04-15-2026   09:15 EDTPrev   Next
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USGS 01064118 Presumpscot River at Westbrook, Maine
*** There are no data available on the Waterdata system for the time period specified,
    although data may be available in the files of the local USGS office operating the station.
USGS 01064140 Presumpscot River near West Falmouth, Maine

Discharge, cubic feet per second
Most recent instantaneous value: 688 04-15-2026   10:00 EDTPrev   Next
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Gage height, feet
Most recent instantaneous value: 3.66 04-15-2026   10:00 EDTPrev   Next
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USGS 010642505 SACO RIVER AT RIVER STREET, AT BARTLETT, NH

Temperature, water, degrees Celsius
Most recent instantaneous value: 6.0 04-15-2026   09:45 EDTPrev   Next
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Temperature, water, degrees Fahrenheit
 
-- Data temporarily unavailable for the time period specified --

Discharge, cubic feet per second
Most recent instantaneous value: 1660 04-15-2026   09:45 EDTPrev   Next
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Daily discharge, cubic feet per second -- statistics for Apr 15 based on 16 water years of record more
Min
(2012)		 25th
percen-
tile		 Median Mean 75th
percen-
tile		 Most Recent
Instantaneous
Value Apr 15		 Max
(2014)
151 368 749 1050 1230 1660 4890

Gage height, feet
Most recent instantaneous value: 4.91 04-15-2026   09:45 EDTPrev   Next
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USGS 01064485 SWIFT RIVER 0.5 MI BL HOBBS BR, NR CONWAY, NH
*** There are no data available on the Waterdata system for the time period specified,
    although data may be available in the files of the local USGS office operating the station.
USGS 01064500 Saco River near Conway, NH

Discharge, cubic feet per second
Most recent instantaneous value: 4900 04-15-2026   09:45 EDTPrev   Next
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Daily discharge, cubic feet per second -- statistics for Apr 15 based on 103 water years of record more
Min
(1982)		 25th
percen-
tile		 Median Mean 75th
percen-
tile		 Most Recent
Instantaneous
Value Apr 15		 Max
(1909)
380 1430 1910 2700 3460 4900 12300

Gage height, feet
Most recent instantaneous value: 6.45 04-15-2026   09:45 EDTPrev   Next
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USGS 01064801 BEARCAMP RIVER AT SOUTH TAMWORTH, NH

Discharge, cubic feet per second
Most recent instantaneous value: 453 04-15-2026   10:00 EDTPrev   Next
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Daily discharge, cubic feet per second -- statistics for Apr 15 based on 33 water years of record more
Min
(2012)		 25th
percen-
tile		 Median Most Recent
Instantaneous
Value Apr 15		 Mean 75th
percen-
tile		 Max
(2014)
60.9 207 349 453 472 689 1770

Gage height, feet
Most recent instantaneous value: 5.28 04-15-2026   10:00 EDTPrev   Next
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USGS 01065500 OSSIPEE RIVER AT CORNISH, ME
*** There are no data available on the Waterdata system for the time period specified,
    although data may be available in the files of the local USGS office operating the station.
USGS 01066000 Saco River at Cornish, Maine

Discharge, cubic feet per second
Most recent instantaneous value: 4240 04-15-2026   09:45 EDTPrev   Next
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Daily discharge, cubic feet per second -- statistics for Apr 15 based on 109 water years of record more
Min
(2012)		 Most Recent
Instantaneous
Value Apr 15		 25th
percen-
tile		 Median Mean 75th
percen-
tile		 Max
(1993)
1490 4240 5250 6570 7290 9130 17800

Gage height, feet
Most recent instantaneous value: 5.37 04-15-2026   09:45 EDTPrev   Next
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USGS 01067851 SANDY BROOK ABOVE LANDFILL NEAR SACO, ME
*** There are no data available on the Waterdata system for the time period specified,
    although data may be available in the files of the local USGS office operating the station.
USGS 01067853 SANDY BROOK BELOW LANDFILL NEAR SACO, ME
*** There are no data available on the Waterdata system for the time period specified,
    although data may be available in the files of the local USGS office operating the station.
USGS 01067950 Kennebunk River near Kennebunk, Maine

Discharge, cubic feet per second
Most recent instantaneous value: 31.2 04-15-2026   09:15 EDTPrev   Next
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Daily discharge, cubic feet per second -- statistics for Apr 15 based on 16 water years of record more
Min
(2012)		 Most Recent
Instantaneous
Value Apr 15		 25th
percen-
tile		 Median Mean 75th
percen-
tile		 Max
(2019)
16.6 31.2 43 68 85 132 201

Gage height, feet
Most recent instantaneous value: 2.90 04-15-2026   09:15 EDTPrev   Next
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USGS 01068910 Mousam River at Route 4 near Sanford, Maine

Discharge, cubic feet per second
Most recent instantaneous value: 95.6 04-15-2026   09:45 EDTPrev   Next
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Daily discharge, cubic feet per second -- statistics for Apr 15 based on 17 water years of record more
Min
(2021)		 25th
percen-
tile		 Most Recent
Instantaneous
Value Apr 15		 Median Mean 75th
percen-
tile		 Max
(2019)
34.8 72 95.6 182 185 266 351

Gage height, feet
Most recent instantaneous value: 2.18 04-15-2026   09:45 EDTPrev   Next
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USGS 01069500 Mousam River near West Kennebunk, Maine

Discharge, cubic feet per second
Most recent instantaneous value: 171 04-15-2026   09:45 EDTPrev   Next
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Daily discharge, cubic feet per second -- statistics for Apr 15 based on 62 water years of record more
Min
(2021)		 Most Recent
Instantaneous
Value Apr 15		 25th
percen-
tile		 Median Mean 75th
percen-
tile		 Max
(1940)
45.9 171 260 426 446 574 930

Gage height, feet
Most recent instantaneous value: 1.35 04-15-2026   09:45 EDTPrev   Next
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USGS 01069700 Branch Brook near Kennebunk, Maine

Discharge, cubic feet per second
Most recent instantaneous value: 16.4 04-15-2026   09:45 EDTPrev   Next
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Daily discharge, cubic feet per second -- statistics for Apr 15 based on 16 water years of record more
Min
(2012)		 Most Recent
Instantaneous
Value Apr 15		 25th
percen-
tile		 Median Mean 75th
percen-
tile		 Max
(2019)
13.1 16.4 22 30 32 42 56.5

Gage height, feet
Most recent instantaneous value: 1.82 04-15-2026   09:45 EDTPrev   Next
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USGS 01072800 COCHECO RIVER NEAR ROCHESTER, NH

Discharge, cubic feet per second
Most recent instantaneous value: 173 04-15-2026   10:00 EDTPrev   Next
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Daily discharge, cubic feet per second -- statistics for Apr 15 based on 31 water years of record more
Min
(2012)		 25th
percen-
tile		 Most Recent
Instantaneous
Value Apr 15		 Median Mean 75th
percen-
tile		 Max
(2004)
52.0 137 173 273 314 476 886

Gage height, feet
Most recent instantaneous value: 3.91 04-15-2026   10:00 EDTPrev   Next
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USGS 01072870 ISINGLASS R AT ROCHESTER NECK RD, NR DOVER, NH

Temperature, water, degrees Celsius
Most recent instantaneous value: 13.9 04-15-2026   10:15 EDTPrev   Next
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Temperature, water, degrees Fahrenheit
 
-- Data temporarily unavailable for the time period specified --

Discharge, cubic feet per second
Most recent instantaneous value: 114 04-15-2026   10:15 EDTPrev   Next
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Daily discharge, cubic feet per second -- statistics for Apr 15 based on 22 water years of record more
Min
(2012)		 25th
percen-
tile		 Most Recent
Instantaneous
Value Apr 15		 Median Mean 75th
percen-
tile		 Max
(2004)
30.0 108 114 192 238 346 656

Gage height, feet
Most recent instantaneous value: 4.46 04-15-2026   10:15 EDTPrev   Next
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USGS 01072880 COCHECO RIVER, AT SPAULDING TURNPIKE, AT DOVER, NH
*** There are no data available on the Waterdata system for the time period specified,
    although data may be available in the files of the local USGS office operating the station.
USGS 01073000 OYSTER RIVER NEAR DURHAM, NH

Discharge, cubic feet per second
Most recent instantaneous value: 19.1 04-15-2026   09:30 EDTPrev   Next
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Daily discharge, cubic feet per second -- statistics for Apr 15 based on 91 water years of record more
Min
(2012)		 Most Recent
Instantaneous
Value Apr 15		 25th
percen-
tile		 Median Mean 75th
percen-
tile		 Max
(1953)
5.85 19.1 21 37 43 58 143

Gage height, feet
Most recent instantaneous value: 1.65 04-15-2026   09:30 EDTPrev   Next
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USGS 01073319 LAMPREY RIVER AT LANGFORD ROAD, AT RAYMOND, NH

Temperature, water, degrees Celsius
Most recent instantaneous value: 13.8 04-15-2026   09:45 EDTPrev   Next
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Temperature, water, degrees Fahrenheit
 
-- Data temporarily unavailable for the time period specified --

Discharge, cubic feet per second
Most recent instantaneous value: 81.2 04-15-2026   09:45 EDTPrev   Next
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Daily discharge, cubic feet per second -- statistics for Apr 15 based on 17 water years of record more
Min
(2012)		 Most Recent
Instantaneous
Value Apr 15		 25th
percen-
tile		 Median Mean 75th
percen-
tile		 Max
(2015)
25.4 81.2 100 136 156 209 318

Gage height, feet
Most recent instantaneous value: 2.74 04-15-2026   09:45 EDTPrev   Next
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USGS 01073389 Pawtuckaway Lake near Nottingham, NH
*** There are no data available on the Waterdata system for the time period specified,
    although data may be available in the files of the local USGS office operating the station.
USGS 01073500 LAMPREY RIVER NEAR NEWMARKET, NH

Discharge, cubic feet per second
Most recent instantaneous value: 248 04-15-2026   09:15 EDTPrev   Next
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Daily discharge, cubic feet per second -- statistics for Apr 15 based on 91 water years of record more
Min
(2012)		 Most Recent
Instantaneous
Value Apr 15		 25th
percen-
tile		 Median Mean 75th
percen-
tile		 Max
(1940)
74.8 248 319 554 642 857 2200

Gage height, feet
Most recent instantaneous value: 2.35 04-15-2026   09:15 EDTPrev   Next
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USGS 010735562 EXETER RIVER AT ODELL ROAD, NEAR SANDOWN, NH

Discharge, cubic feet per second
Most recent instantaneous value: 24.1 04-15-2026   09:30 EDTPrev   Next
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Daily discharge, cubic feet per second -- statistics for Apr 15 based on 17 water years of record more
Min
(2012)		 Most Recent
Instantaneous
Value Apr 15		 25th
percen-
tile		 Mean Median 75th
percen-
tile		 Max
(2024)
9.29 24.1 34 47 49 59 94.2

Gage height, feet
Most recent instantaneous value: 1.30 04-15-2026   09:30 EDTPrev   Next
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USGS 01073587 EXETER RIVER AT HAIGH ROAD, NEAR BRENTWOOD, NH

Discharge, cubic feet per second
Most recent instantaneous value: 94.7 04-15-2026   09:15 EDTPrev   Next
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Daily discharge, cubic feet per second -- statistics for Apr 15 based on 29 water years of record more
Min
(2012)		 Most Recent
Instantaneous
Value Apr 15		 25th
percen-
tile		 Median Mean 75th
percen-
tile		 Max
(2001)
36.2 94.7 110 178 197 255 501

Gage height, feet
Most recent instantaneous value: 5.04 04-15-2026   09:15 EDTPrev   Next
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USGS 01073785 WINNICUT RIVER AT GREENLAND, NR PORTSMOUTH, NH

Discharge, cubic feet per second
Most recent instantaneous value: 24.3 04-15-2026   09:30 EDTPrev   Next
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Daily discharge, cubic feet per second -- statistics for Apr 15 based on 23 water years of record more
Min
(2012)		 25th
percen-
tile		 Most Recent
Instantaneous
Value Apr 15		 Median Mean 75th
percen-
tile		 Max
(2004)
4.86 20 24.3 30 37 54 89.4

Gage height, feet
Most recent instantaneous value: 4.69 04-15-2026   09:30 EDTPrev   Next
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USGS 01074520 EAST BRANCH PEMIGEWASSET RIVER AT LINCOLN, NH

Discharge, cubic feet per second
Most recent instantaneous value: 2140 04-15-2026   10:15 EDTPrev   Next
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Daily discharge, cubic feet per second -- statistics for Apr 15 based on 33 water years of record more
Min
(2007)		 25th
percen-
tile		 Median 75th
percen-
tile		 Mean Most Recent
Instantaneous
Value Apr 15		 Max
(2014)
128 395 625 975 996 2140 5980

Gage height, feet
Most recent instantaneous value: 7.26 04-15-2026   10:15 EDTPrev   Next
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Gage height, feet, Location 1300 ft upstream
 
-- Data temporarily unavailable for the time period specified --
USGS 01075000 PEMIGEWASSET RIVER AT WOODSTOCK, NH

Discharge, cubic feet per second
Most recent instantaneous value: 4300 04-15-2026   09:30 EDTPrev   Next
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Daily discharge, cubic feet per second -- statistics for Apr 15 based on 62 water years of record more
Min
(2007)		 25th
percen-
tile		 Median Mean 75th
percen-
tile		 Most Recent
Instantaneous
Value Apr 15		 Max
(2014)
264 628 987 1580 1840 4300 9430

Gage height, feet
Most recent instantaneous value: 6.71 04-15-2026   09:30 EDTPrev   Next
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USGS 01076000 BAKER RIVER NEAR RUMNEY, NH

Discharge, cubic feet per second
Most recent instantaneous value: 911 04-15-2026   09:30 EDTPrev   Next
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Daily discharge, cubic feet per second -- statistics for Apr 15 based on 73 water years of record more
Min
(2012)		 25th
percen-
tile		 Median Most Recent
Instantaneous
Value Apr 15		 Mean 75th
percen-
tile		 Max
(2014)
115 462 712 911 980 1260 3480

Gage height, feet
Most recent instantaneous value: 2.78 04-15-2026   09:30 EDTPrev   Next
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USGS 01076500 PEMIGEWASSET RIVER AT PLYMOUTH, NH

Discharge, cubic feet per second
Most recent instantaneous value: 8280 04-15-2026   09:30 EDTPrev   Next
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Daily discharge, cubic feet per second -- statistics for Apr 15 based on 122 water years of record more
Min
(2012)		 25th
percen-
tile		 Median Mean 75th
percen-
tile		 Most Recent
Instantaneous
Value Apr 15		 Max
(1909)
707 2030 2810 4080 4900 8280 21900

Gage height, feet
Most recent instantaneous value: 7.28 04-15-2026   09:30 EDTPrev   Next
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USGS 01077400 COCKERMOUTH RIVER BELOW HARDY BROOK, AT GROTON, NH

Discharge, cubic feet per second
Most recent instantaneous value: 83.4 04-15-2026   10:00 EDTPrev   Next
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Daily discharge, cubic feet per second -- statistics for Apr 15 based on 17 water years of record more
Min
(2012)		 25th
percen-
tile		 Most Recent
Instantaneous
Value Apr 15		 Median Mean 75th
percen-
tile		 Max
(2014)
11.2 42 83.4 109 166 192 706

Gage height, feet
Most recent instantaneous value: 2.26 04-15-2026   10:00 EDTPrev   Next
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USGS 01078000 SMITH RIVER NEAR BRISTOL, NH

Temperature, water, degrees Celsius
 
-- Data temporarily unavailable for the time period specified --

Discharge, cubic feet per second
Most recent instantaneous value: 222 04-15-2026   09:30 EDTPrev   Next
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Daily discharge, cubic feet per second -- statistics for Apr 15 based on 107 water years of record more
Min
(2012)		 Most Recent
Instantaneous
Value Apr 15		 25th
percen-
tile		 Median Mean 75th
percen-
tile		 Max
(1964)
63.8 222 223 418 492 683 1650

Gage height, feet
Most recent instantaneous value: 3.47 04-15-2026   09:30 EDTPrev   Next
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USGS 01080000 LAKE WINNIPESAUKEE AT WEIRS BEACH, NH
*** There are no data available on the Waterdata system for the time period specified,
    although data may be available in the files of the local USGS office operating the station.
USGS 01081000 WINNIPESAUKEE RIVER AT TILTON, NH

Discharge, cubic feet per second
Most recent instantaneous value: 473 04-15-2026   09:30 EDTPrev   Next
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Daily discharge, cubic feet per second -- statistics for Apr 15 based on 89 water years of record more
Min
(2021)		 Most Recent
Instantaneous
Value Apr 15		 25th
percen-
tile		 Median Mean 75th
percen-
tile		 Max
(1953)
246 473 569 1140 1190 1620 2920

Gage height, feet
Most recent instantaneous value: 3.03 04-15-2026   09:30 EDTPrev   Next
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USGS 01081500 MERRIMACK RIVER AT FRANKLIN JUNCTION, NH

Discharge, cubic feet per second
Most recent instantaneous value: 6300 04-15-2026   09:30 EDTPrev   Next
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Daily discharge, cubic feet per second -- statistics for Apr 15 based on 99 water years of record more
Min
(2012)		 25th
percen-
tile		 Median Most Recent
Instantaneous
Value Apr 15		 Mean 75th
percen-
tile		 Max
(1909)
1280 4450 5660 6300 7310 9890 27900

Gage height, feet
Most recent instantaneous value: 8.14 04-15-2026   09:30 EDTPrev   Next
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USGS 01082000 CONTOOCOOK RIVER AT PETERBOROUGH, NH

Discharge, cubic feet per second
Most recent instantaneous value: 136 04-15-2026   09:30 EDTPrev   Next
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Daily discharge, cubic feet per second -- statistics for Apr 15 based on 56 water years of record more
Min
(2012)		 Most Recent
Instantaneous
Value Apr 15		 25th
percen-
tile		 Median Mean 75th
percen-
tile		 Max
(1960)
47.8 136 163 283 326 433 830

Gage height, feet
Most recent instantaneous value: 2.07 04-15-2026   09:30 EDTPrev   Next
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USGS 01083000 NUBANUSIT BK BLW MACDOWELL DAM NR PETERBOROUGH NH

Gage height, feet
Most recent instantaneous value: 3.25 04-15-2026   09:30 EDTPrev   Next
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USGS 01084000 NORTH BRANCH RIVER NEAR ANTRIM, NH
*** There are no data available on the Waterdata system for the time period specified,
    although data may be available in the files of the local USGS office operating the station.
USGS 01085000 CONTOOCOOK RIVER NEAR HENNIKER, NH

Discharge, cubic feet per second
Most recent instantaneous value: 610 04-15-2026   09:30 EDTPrev   Next
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Daily discharge, cubic feet per second -- statistics for Apr 15 based on 48 water years of record more
Min
(2021)		 Most Recent
Instantaneous
Value Apr 15		 25th
percen-
tile		 Median Mean 75th
percen-
tile		 Max
(1940)
262 610 1040 1590 1900 2490 5140

Gage height, feet
Most recent instantaneous value: 6.55 04-15-2026   09:30 EDTPrev   Next
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USGS 01085500 CONTOOCOOK R BL HOPKINTON DAM AT W HOPKINTON, NH

Discharge, cubic feet per second
Most recent instantaneous value: 658 04-15-2026   10:00 EDTPrev   Next
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Daily discharge, cubic feet per second -- statistics for Apr 15 based on 48 water years of record more
Min
(2012)		 Most Recent
Instantaneous
Value Apr 15		 25th
percen-
tile		 Median Mean 75th
percen-
tile		 Max
(1987)
204 658 955 1670 2000 2750 6870

Gage height, feet
Most recent instantaneous value: 2.65 04-15-2026   10:00 EDTPrev   Next
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USGS 01086000 WARNER RIVER AT DAVISVILLE, NH

Discharge, cubic feet per second
Most recent instantaneous value: 275 04-15-2026   09:30 EDTPrev   Next
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Daily discharge, cubic feet per second -- statistics for Apr 15 based on 63 water years of record more
Min
(2012)		 Most Recent
Instantaneous
Value Apr 15		 25th
percen-
tile		 Median Mean 75th
percen-
tile		 Max
(1969)
89.6 275 425 747 803 1140 2200

Gage height, feet
Most recent instantaneous value: 4.73 04-15-2026   09:30 EDTPrev   Next
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USGS 01087000 BLACKWATER RIVER NEAR WEBSTER, NH

Discharge, cubic feet per second
Most recent instantaneous value: 196 04-15-2026   09:30 EDTPrev   Next
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Gage height, feet
Most recent instantaneous value: 3.29 04-15-2026   09:30 EDTPrev   Next
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USGS 01089100 SOUCOOK RIVER, AT PEMBROKE ROAD, NEAR CONCORD, NH
*** There are no data available on the Waterdata system for the time period specified,
    although data may be available in the files of the local USGS office operating the station.
USGS 01089500 SUNCOOK RIVER AT NORTH CHICHESTER, NH

Discharge, cubic feet per second
Most recent instantaneous value: 203 04-15-2026   10:15 EDTPrev   Next
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Daily discharge, cubic feet per second -- statistics for Apr 15 based on 68 water years of record more
Min
(2012)		 Most Recent
Instantaneous
Value Apr 15		 25th
percen-
tile		 Median Mean 75th
percen-
tile		 Max
(1964)
52.6 203 348 661 710 1020 1820

Gage height, feet
Most recent instantaneous value: 3.69 04-15-2026   10:15 EDTPrev   Next
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USGS 01089925 SUNCOOK RIVER AT NH 28, NEAR SUNCOOK, NH
*** There are no data available on the Waterdata system for the time period specified,
    although data may be available in the files of the local USGS office operating the station.
USGS 01090800 PISCATAQUOG RIVER BL EVERETT DAM, NR E WEARE, NH

Discharge, cubic feet per second
Most recent instantaneous value: 70.8 04-15-2026   09:30 EDTPrev   Next
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Gage height, feet
Most recent instantaneous value: 5.36 04-15-2026   09:30 EDTPrev   Next
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USGS 01091000 SOUTH BRANCH PISCATAQUOG RIVER NEAR GOFFSTOWN, NH

Temperature, water, degrees Celsius
Most recent instantaneous value: 13.0 04-15-2026   09:45 EDTPrev   Next
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Temperature, water, degrees Fahrenheit
 
-- Data temporarily unavailable for the time period specified --

Discharge, cubic feet per second
Most recent instantaneous value: 252 04-15-2026   09:45 EDTPrev   Next
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Daily discharge, cubic feet per second -- statistics for Apr 15 based on 55 water years of record more
Min
(2012)		 25th
percen-
tile		 Most Recent
Instantaneous
Value Apr 15		 Median Mean 75th
percen-
tile		 Max
(1964)
68.9 205 252 359 449 630 1220

Gage height, feet
Most recent instantaneous value: 4.39 04-15-2026   09:45 EDTPrev   Next
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USGS 01091003 S BR PISCATAQUOG R AT RIVER RD, NEAR GOFFSTOWN, NH
*** There are no data available on the Waterdata system for the time period specified,
    although data may be available in the files of the local USGS office operating the station.
USGS 01091500 PISCATAQUOG RIVER NEAR GOFFSTOWN, NH

Discharge, cubic feet per second
Most recent instantaneous value: 447 04-15-2026   09:30 EDTPrev   Next
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Daily discharge, cubic feet per second -- statistics for Apr 15 based on 47 water years of record more
Min
(2021)		 25th
percen-
tile		 Most Recent
Instantaneous
Value Apr 15		 Median Mean 75th
percen-
tile		 Max
(1969)
175 440 447 780 903 1380 1880

Gage height, feet
Most recent instantaneous value: 4.87 04-15-2026   09:30 EDTPrev   Next
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USGS 01092000 MERRIMACK R NR GOFFS FALLS, BELOW MANCHESTER, NH

Discharge, cubic feet per second
Most recent instantaneous value: 7610 04-15-2026   09:30 EDTPrev   Next
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Daily discharge, cubic feet per second -- statistics for Apr 15 based on 89 water years of record more
Min
(2012)		 Most Recent
Instantaneous
Value Apr 15		 25th
percen-
tile		 Median Mean 75th
percen-
tile		 Max
(2001)
2390 7610 8490 13000 14000 18300 28300

Gage height, feet
Most recent instantaneous value: 5.89 04-15-2026   09:30 EDTPrev   Next
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USGS 01093800 STONY BROOK TRIBUTARY NEAR TEMPLE, NH
*** There are no data available on the Waterdata system for the time period specified,
    although data may be available in the files of the local USGS office operating the station.
USGS 01093852 SOUHEGAN RIVER (SITE WLR-1) NEAR MILFORD, NH

Temperature, water, degrees Celsius
Most recent instantaneous value: 13.3 04-15-2026   09:45 EDTPrev   Next
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Temperature, water, degrees Fahrenheit
 
-- Data temporarily unavailable for the time period specified --

Discharge, cubic feet per second
Most recent instantaneous value: 211 04-15-2026   09:45 EDTPrev   Next
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Daily discharge, cubic feet per second -- statistics for Apr 15 based on 18 water years of record more
Min
(2012)		 Most Recent
Instantaneous
Value Apr 15		 25th
percen-
tile		 Median Mean 75th
percen-
tile		 Max
(2024)
82.5 211 214 328 387 603 790

Gage height, feet
Most recent instantaneous value: 4.33 04-15-2026   09:45 EDTPrev   Next
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USGS 01094000 SOUHEGAN RIVER AT MERRIMACK, NH

Discharge, cubic feet per second
Most recent instantaneous value: 307 04-15-2026   09:30 EDTPrev   Next
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Daily discharge, cubic feet per second -- statistics for Apr 15 based on 91 water years of record more
Min
(2012)		 Most Recent
Instantaneous
Value Apr 15		 25th
percen-
tile		 Median Mean 75th
percen-
tile		 Max
(2004)
120 307 384 655 731 1010 1870

Gage height, feet
Most recent instantaneous value: 3.40 04-15-2026   09:30 EDTPrev   Next
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USGS 01094400 NORTH NASHUA RIVER AT FITCHBURG, MA

Discharge, cubic feet per second
Most recent instantaneous value: 143 04-15-2026   09:30 EDTPrev   Next
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Daily discharge, cubic feet per second -- statistics for Apr 15 based on 53 water years of record more
Min
(2012)		 25th
percen-
tile		 Most Recent
Instantaneous
Value Apr 15		 Median Mean 75th
percen-
tile		 Max
(2001)
37.8 111 143 183 220 305 664

Gage height, feet
Most recent instantaneous value: 3.15 04-15-2026   09:30 EDTPrev   Next
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USGS 01094500 NORTH NASHUA RIVER NEAR LEOMINSTER, MA

Discharge, cubic feet per second
Most recent instantaneous value: 226 04-15-2026   09:15 EDTPrev   Next
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Daily discharge, cubic feet per second -- statistics for Apr 15 based on 90 water years of record more
Min
(2012)		 25th
percen-
tile		 Most Recent
Instantaneous
Value Apr 15		 Median Mean 75th
percen-
tile		 Max
(2004)
76.9 216 226 325 391 542 1250

Gage height, feet
Most recent instantaneous value: 3.06 04-15-2026   09:15 EDTPrev   Next
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USGS 01095220 STILLWATER RIVER NEAR STERLING, MA

Temperature, water, degrees Celsius
Most recent instantaneous value: 14.6 04-15-2026   09:30 EDTPrev   Next
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Precipitation, total, inches
Most recent instantaneous value: 0.00 04-15-2026   09:30 EDTPrev   Next
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Discharge, cubic feet per second
Most recent instantaneous value: 42.1 04-15-2026   09:30 EDTPrev   Next
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Daily discharge, cubic feet per second -- statistics for Apr 15 based on 31 water years of record more
Min
(2012)		 Most Recent
Instantaneous
Value Apr 15		 25th
percen-
tile		 Median Mean 75th
percen-
tile		 Max
(2019)
26.9 42.1 53 75 106 137 360

Gage height, feet
Most recent instantaneous value: 4.65 04-15-2026   09:30 EDTPrev   Next
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Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius
Most recent instantaneous value: 186 04-15-2026   09:30 EDTPrev   Next
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USGS 01095375 QUINAPOXET RIVER AT CANADA MILLS NEAR HOLDEN, MA

Temperature, water, degrees Celsius
Most recent instantaneous value: 14.6 04-15-2026   09:30 EDTPrev   Next
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Precipitation, total, inches
Most recent instantaneous value: 0.00 04-15-2026   09:30 EDTPrev   Next
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Discharge, cubic feet per second
Most recent instantaneous value: 29.4 04-15-2026   09:30 EDTPrev   Next
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Daily discharge, cubic feet per second -- statistics for Apr 15 based on 29 water years of record more
Min
(2012)		 Most Recent
Instantaneous
Value Apr 15		 25th
percen-
tile		 Median Mean 75th
percen-
tile		 Max
(2019)
27.3 29.4 72 103 157 201 547

Gage height, feet
Most recent instantaneous value: 6.94 04-15-2026   09:30 EDTPrev   Next
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Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius
Most recent instantaneous value: 385 04-15-2026   09:30 EDTPrev   Next
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USGS 01095434 GATES BROOK NEAR WEST BOYLSTON, MA

Temperature, water, degrees Celsius
Most recent instantaneous value: 12.6 04-15-2026   09:20 EDTPrev   Next
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Discharge, cubic feet per second
Most recent instantaneous value: 4.04 04-15-2026   09:20 EDTPrev   Next
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Daily discharge, cubic feet per second -- statistics for Apr 15 based on 14 water years of record more
Min
(2012)		 25th
percen-
tile		 Most Recent
Instantaneous
Value Apr 15		 Median Mean 75th
percen-
tile		 Max
(2019)
1.15 4 4.04 5.7 7.3 10 22.3

Gage height, feet
Most recent instantaneous value: 1.35 04-15-2026   09:20 EDTPrev   Next
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Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius
Most recent instantaneous value: 1140 04-15-2026   09:20 EDTPrev   Next
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USGS 01095503 NASHUA RIVER, WATER STREET BRIDGE, AT CLINTON, MA

Temperature, water, degrees Celsius
Most recent instantaneous value: 13.9 04-15-2026   10:00 EDTPrev   Next
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Discharge, cubic feet per second
Most recent instantaneous value: 4.33 04-15-2026   10:00 EDTPrev   Next
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Daily discharge, cubic feet per second -- statistics for Apr 15 based on 14 water years of record more
Min
(2013)		 Most Recent
Instantaneous
Value Apr 15		 25th
percen-
tile		 Median Mean 75th
percen-
tile		 Max
(2024)
2.78 4.33 11 82 124 175 502

Gage height, feet
Most recent instantaneous value: 0.78 04-15-2026   10:00 EDTPrev   Next
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Gage height, feet, [Backup]
Most recent instantaneous value: 0.77 04-15-2026   10:00 EDTPrev   Next
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USGS 01096000 SQUANNACOOK RIVER NEAR WEST GROTON, MA

Discharge, cubic feet per second
Most recent instantaneous value: 120 04-15-2026   10:00 EDTPrev   Next
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Daily discharge, cubic feet per second -- statistics for Apr 15 based on 76 water years of record more
Min
(2012)		 Most Recent
Instantaneous
Value Apr 15		 25th
percen-
tile		 Median Mean 75th
percen-
tile		 Max
(2004)
57.5 120 120 206 244 318 753

Gage height, feet
Most recent instantaneous value: 2.62 04-15-2026   10:00 EDTPrev   Next
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USGS 01096500 NASHUA RIVER AT EAST PEPPERELL, MA

Discharge, cubic feet per second
Most recent instantaneous value: 506 04-15-2026   09:45 EDTPrev   Next
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Daily discharge, cubic feet per second -- statistics for Apr 15 based on 90 water years of record more
Min
(1945)		 Most Recent
Instantaneous
Value Apr 15		 25th
percen-
tile		 Median Mean 75th
percen-
tile		 Max
(1953)
198 506 655 1020 1240 1490 3550

Gage height, feet
Most recent instantaneous value: 1.96 04-15-2026   09:45 EDTPrev   Next
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USGS 01096508 MERRIMACK RIVER AT NASHUA, NH

Gage height, feet
Most recent instantaneous value: 5.96 04-15-2026   09:15 EDTPrev   Next
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Stream water level elevation above NAVD 1988, in feet
Most recent instantaneous value: 92.92 04-15-2026   09:15 EDTPrev   Next
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USGS 010965305 MERRIMACK R NR TYNGSBOROUGH BRIDGE TYNGSBOROUGH MA
*** There are no data available on the Waterdata system for the time period specified,
    although data may be available in the files of the local USGS office operating the station.
USGS 01096568 MERRIMACK R. AT LOWELL MOTOR BOAT CLUB, LOWELL, MA
*** There are no data available on the Waterdata system for the time period specified,
    although data may be available in the files of the local USGS office operating the station.
USGS 010965852 BEAVER BROOK AT NORTH PELHAM, NH

Discharge, cubic feet per second
Most recent instantaneous value: 91.6 04-15-2026   09:15 EDTPrev   Next
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Daily discharge, cubic feet per second -- statistics for Apr 15 based on 39 water years of record more
Min
(2021)		 25th
percen-
tile		 Most Recent
Instantaneous
Value Apr 15		 Median Mean 75th
percen-
tile		 Max
(1993)
36.7 76 91.6 127 142 200 355

Gage height, feet
Most recent instantaneous value: 6.72 04-15-2026   09:15 EDTPrev   Next
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USGS 010965985 MERRIMACK RIVER NR AIKEN STREET BRIDGE, LOWELL, MA
*** There are no data available on the Waterdata system for the time period specified,
    although data may be available in the files of the local USGS office operating the station.
USGS 01096720 ASSABET RIVER AT BOUNDARY ST. NR NORTHBOROUGH, MA
*** There are no data available on the Waterdata system for the time period specified,
    although data may be available in the files of the local USGS office operating the station.
USGS 01096870 ASSABET RIVER AT COX ST NEAR HUDSON, MA
*** There are no data available on the Waterdata system for the time period specified,
    although data may be available in the files of the local USGS office operating the station.
USGS 01097000 ASSABET RIVER AT MAYNARD, MA

Discharge, cubic feet per second
Most recent instantaneous value: 102 04-15-2026   09:15 EDTPrev   Next
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Daily discharge, cubic feet per second -- statistics for Apr 15 based on 84 water years of record more
Min
(2012)		 Most Recent
Instantaneous
Value Apr 15		 25th
percen-
tile		 Median Mean 75th
percen-
tile		 Max
(2004)
83.6 102 228 318 362 427 1140

Gage height, feet
Most recent instantaneous value: 2.32 04-15-2026   09:15 EDTPrev   Next
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USGS 01097021 ASSABET RIVER, US MAYNARD WASTEWATER TREATMENT PLT
*** There are no data available on the Waterdata system for the time period specified,
    although data may be available in the files of the local USGS office operating the station.
USGS 01097300 NASHOBA BROOK NEAR ACTON, MA

Discharge, cubic feet per second
Most recent instantaneous value: 11.0 04-15-2026   09:45 EDTPrev   Next
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Daily discharge, cubic feet per second -- statistics for Apr 15 based on 62 water years of record more
Min
(2021)		 Most Recent
Instantaneous
Value Apr 15		 25th
percen-
tile		 Median Mean 75th
percen-
tile		 Max
(2004)
6.76 11.0 20 33 35 46 136

Gage height, feet
Most recent instantaneous value: 3.96 04-15-2026   09:45 EDTPrev   Next
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USGS 01097480 SUDBURY RIVER AT ASHLAND, MA

Discharge, cubic feet per second
Most recent instantaneous value: 50.1 04-15-2026   09:45 EDTPrev   Next
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Daily discharge, cubic feet per second -- statistics for Apr 15 based on 4 water years of record more
Most Recent
Instantaneous
Value Apr 15		 Min
(1995)		 25th
percen-
tile		 Median Mean 75th
percen-
tile		 Max
(2007)
50.1 64.0 69 87 100 145 163

Gage height, feet
Most recent instantaneous value: 1.22 04-15-2026   09:45 EDTPrev   Next
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USGS 01098499 LAKE COCHITUATE AT FRAMINGHAM, MA
*** There are no data available on the Waterdata system for the time period specified,
    although data may be available in the files of the local USGS office operating the station.
USGS 01098500 COCHITUATE BK BL LAKE COCHITUATE AT FRAMINGHAM, MA

Discharge, cubic feet per second
Most recent instantaneous value: 22.5 04-15-2026   10:00 EDTPrev   Next
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Daily discharge, cubic feet per second -- statistics for Apr 15 based on 15 water years of record more
Min
(2012)		 Most Recent
Instantaneous
Value Apr 15		 25th
percen-
tile		 Mean Median 75th
percen-
tile		 Max
(2020)
8.07 22.5 27 42 46 53 69.7

Gage height, feet
Most recent instantaneous value: 4.53 04-15-2026   10:00 EDTPrev   Next
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USGS 01098530 SUDBURY RIVER AT SAXONVILLE, MA

Discharge, cubic feet per second
Most recent instantaneous value: 155 04-15-2026   09:15 EDTPrev   Next
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Daily discharge, cubic feet per second -- statistics for Apr 15 based on 46 water years of record more
Min
(2006)		 Most Recent
Instantaneous
Value Apr 15		 25th
percen-
tile		 Median Mean 75th
percen-
tile		 Max
(1987)
70.9 155 190 305 340 487 901

Gage height, feet
Most recent instantaneous value: 5.83 04-15-2026   09:15 EDTPrev   Next
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USGS 01099500 CONCORD R BELOW R MEADOW BROOK, AT LOWELL, MA

Discharge, cubic feet per second
Most recent instantaneous value: 553 04-15-2026   09:30 EDTPrev   Next
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Daily discharge, cubic feet per second -- statistics for Apr 15 based on 89 water years of record more
Min
(2012)		 Most Recent
Instantaneous
Value Apr 15		 25th
percen-
tile		 Median Mean 75th
percen-
tile		 Max
(1987)
293 553 760 1220 1310 1700 3940

Gage height, feet
Most recent instantaneous value: 5.23 04-15-2026   09:30 EDTPrev   Next
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USGS 01100000 MERRIMACK RIVER BL CONCORD RIVER AT LOWELL, MA

Discharge, cubic feet per second
Most recent instantaneous value: 9280 04-15-2026   09:30 EDTPrev   Next
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Daily discharge, cubic feet per second -- statistics for Apr 15 based on 102 water years of record more
Min
(2012)		 Most Recent
Instantaneous
Value Apr 15		 25th
percen-
tile		 Median Mean 75th
percen-
tile		 Max
(1934)
3650 9280 12400 17800 19400 26500 47100

Gage height, feet, [Primary Radar]
Most recent instantaneous value: 44.64 04-15-2026   09:30 EDTPrev   Next
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USGS 01100220 MERRIMACK RIVER NEAR POWER LINES, METHUEN, MA
*** There are no data available on the Waterdata system for the time period specified,
    although data may be available in the files of the local USGS office operating the station.
USGS 01100475 MERRIMACK R AT ABE BASHARA BOAT HOUSE LAWRENCE, MA
*** There are no data available on the Waterdata system for the time period specified,
    although data may be available in the files of the local USGS office operating the station.
USGS 01100500 MERRIMACK RIVER AT LAWRENCE, MA

Gage height, feet
Most recent instantaneous value: 12.35 04-15-2026   09:30 EDTPrev   Next
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USGS 01100505 SPICKET RIVER AT NORTH SALEM, NH

Discharge, cubic feet per second
Most recent instantaneous value: 0.88 04-15-2026   09:30 EDTPrev   Next
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Daily discharge, cubic feet per second -- statistics for Apr 15 based on 25 water years of record more
Min
(2021)		 Most Recent
Instantaneous
Value Apr 15		 25th
percen-
tile		 Median 75th
percen-
tile		 Mean Max
(2004)
0.32 0.88 0.9 1.2 23 24 162

Gage height, feet
Most recent instantaneous value: 2.18 04-15-2026   09:30 EDTPrev   Next
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USGS 01100561 SPICKET RIVER NEAR METHUEN, MA

Discharge, cubic feet per second
Most recent instantaneous value: 61.3 04-15-2026   09:15 EDTPrev   Next
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Daily discharge, cubic feet per second -- statistics for Apr 15 based on 19 water years of record more
Min
(2012)		 Most Recent
Instantaneous
Value Apr 15		 25th
percen-
tile		 Median Mean 75th
percen-
tile		 Max
(2020)
29.1 61.3 71 104 122 137 316

Gage height, feet
Most recent instantaneous value: 3.85 04-15-2026   09:15 EDTPrev   Next
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USGS 01100568 SHAWSHEEN RIVER AT HANSCOM FIELD NEAR BEDFORD, MA
*** There are no data available on the Waterdata system for the time period specified,
    although data may be available in the files of the local USGS office operating the station.
USGS 01100571 SHAWSHEEN RIVER AT GREAT RD AT BEDFORD, MA
*** There are no data available on the Waterdata system for the time period specified,
    although data may be available in the files of the local USGS office operating the station.
USGS 0110057120 ELM BROOK AT ROUTE 2A NEAR LINCOLN, MA
*** There are no data available on the Waterdata system for the time period specified,
    although data may be available in the files of the local USGS office operating the station.
USGS 0110057380 HARTWELL BROOK AT BEDFORD, MA
*** There are no data available on the Waterdata system for the time period specified,
    although data may be available in the files of the local USGS office operating the station.
USGS 01100574 ELM BROOK AT BEDFORD, MA
*** There are no data available on the Waterdata system for the time period specified,
    although data may be available in the files of the local USGS office operating the station.
USGS 01100580 SPRING BROOK NEAR BEDFORD, MA
*** There are no data available on the Waterdata system for the time period specified,
    although data may be available in the files of the local USGS office operating the station.
USGS 01100600 SHAWSHEEN RIVER NEAR WILMINGTON, MA

Discharge, cubic feet per second
Most recent instantaneous value: 60.1 04-15-2026   09:30 EDTPrev   Next
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Daily discharge, cubic feet per second -- statistics for Apr 15 based on 62 water years of record more
Min
(2018)		 25th
percen-
tile		 Most Recent
Instantaneous
Value Apr 15		 Median Mean 75th
percen-
tile		 Max
(2004)
20.0 53 60.1 80 90 118 345

Gage height, feet
Most recent instantaneous value: 2.90 04-15-2026   09:30 EDTPrev   Next
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USGS 01100627 SHAWSHEEN RIVER AT BALMORAL STREET AT ANDOVER, MA

Discharge, cubic feet per second
Most recent instantaneous value: 65.0 04-15-2026   10:15 EDTPrev   Next
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Daily discharge, cubic feet per second -- statistics for Apr 15 based on 19 water years of record more
Min
(2012)		 Most Recent
Instantaneous
Value Apr 15		 25th
percen-
tile		 Mean Median 75th
percen-
tile		 Max
(2007)
48.4 65.0 125 181 186 218 346

Gage height, feet
Most recent instantaneous value: 24.50 04-15-2026   10:15 EDTPrev   Next
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USGS 01100671 MERRIMACK RIVER DS STANLEY ISLAND. HAVERHILL, MA
*** There are no data available on the Waterdata system for the time period specified,
    although data may be available in the files of the local USGS office operating the station.
USGS 01100693 MERRIMACK R 0.3 MILES U.S.RT 125 AT HAVERHILL,MA
*** There are no data available on the Waterdata system for the time period specified,
    although data may be available in the files of the local USGS office operating the station.
USGS 011006988 MERRIMACK RIVER AT BATES BRIDGE NEAR HAVERHILL, MA

Discharge, cubic feet per second
 
-- Data temporarily unavailable for the time period specified --

Tide stage, above datum, feet
Most recent instantaneous value: 4.53 04-15-2026   10:12 EDTPrev   Next
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Discharge, tidally filtered, cubic feet per second
 
-- Data temporarily unavailable for the time period specified --

Mean water velocity for discharge computation, feet per second
 
-- Data temporarily unavailable for the time period specified --
USGS 01100806 MERRIMACK RIVER NEAR POWER LINES, MERRIMAC, MA
*** There are no data available on the Waterdata system for the time period specified,
    although data may be available in the files of the local USGS office operating the station.
USGS 01100823 MERRIMACK RIVER AT GOODWIN CREEK, AMESBURY, MA
*** There are no data available on the Waterdata system for the time period specified,
    although data may be available in the files of the local USGS office operating the station.
USGS 01100870 MERRIMACK RIVER AT NEWBURYPORT, MA

Gage height, feet
Most recent instantaneous value: 4.71 04-15-2026   10:00 EDTPrev   Next
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USGS 01100871 MERRIMACK RIVER AT BRIDGE MARINA AT SALISBURY, MA
*** There are no data available on the Waterdata system for the time period specified,
    although data may be available in the files of the local USGS office operating the station.
USGS 01100873 MERRIMACK R ESTUARY NR BUOY 15, NEWBURYPORT, MA
*** There are no data available on the Waterdata system for the time period specified,
    although data may be available in the files of the local USGS office operating the station.
USGS 011008745 MERRIMACK R ESTUARY US OF SHAD CRK, SALISBURY, MA
*** There are no data available on the Waterdata system for the time period specified,
    although data may be available in the files of the local USGS office operating the station.
USGS 01101000 PARKER RIVER AT BYFIELD, MA

Discharge, cubic feet per second
Most recent instantaneous value: Rat 04-15-2026   09:30 EDTPrev   Next
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Daily discharge, cubic feet per second -- statistics for Apr 15 based on 80 water years of record more
Most Recent
Instantaneous
Value Apr 15		 Min
(2012)		 25th
percen-
tile		 Median Mean 75th
percen-
tile		 Max
(1987)
-- unavailable -- 18.9 41 66 76 93 221

Gage height, feet
Most recent instantaneous value: 0.99 04-15-2026   09:30 EDTPrev   Next
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USGS 01101296 SAWMILL BROOK AT CHESTNUT ST, WILMINGTON MA
*** There are no data available on the Waterdata system for the time period specified,
    although data may be available in the files of the local USGS office operating the station.
USGS 01101500 IPSWICH RIVER AT SOUTH MIDDLETON, MA

Discharge, cubic feet per second
Most recent instantaneous value: 33.2 04-15-2026   09:30 EDTPrev   Next
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Daily discharge, cubic feet per second -- statistics for Apr 15 based on 87 water years of record more
Min
(1985)		 Most Recent
Instantaneous
Value Apr 15		 25th
percen-
tile		 Median Mean 75th
percen-
tile		 Max
(1956)
19.8 33.2 73 115 132 163 370

Gage height, feet
Most recent instantaneous value: 2.56 04-15-2026   09:30 EDTPrev   Next
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USGS 01102000 IPSWICH RIVER NEAR IPSWICH, MA

Discharge, cubic feet per second
Most recent instantaneous value: 114 04-15-2026   10:00 EDTPrev   Next
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Daily discharge, cubic feet per second -- statistics for Apr 15 based on 95 water years of record more
Min
(2012)		 Most Recent
Instantaneous
Value Apr 15		 25th
percen-
tile		 Median Mean 75th
percen-
tile		 Max
(1935)
66.8 114 230 365 410 526 1240

Gage height, feet
Most recent instantaneous value: 3.40 04-15-2026   10:00 EDTPrev   Next
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USGS 01102345 SAUGUS RIVER AT SAUGUS IRONWORKS AT SAUGUS, MA

Discharge, cubic feet per second
Most recent instantaneous value: 27.0 04-15-2026   10:10 EDTPrev   Next
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Daily discharge, cubic feet per second -- statistics for Apr 15 based on 32 water years of record more
Min
(2012)		 25th
percen-
tile		 Most Recent
Instantaneous
Value Apr 15		 Median Mean 75th
percen-
tile		 Max
(2004)
6.52 20 27.0 41 47 62 134

Gage height, feet
Most recent instantaneous value: 2.15 04-15-2026   10:10 EDTPrev   Next
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USGS 01102500 ABERJONA RIVER AT WINCHESTER, MA

Precipitation, total, inches
Most recent instantaneous value: 0.00 04-15-2026   10:00 EDTPrev   Next
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Discharge, cubic feet per second, MYSTIC VALLEY PARKWAY
Most recent instantaneous value: 33.6 04-15-2026   10:00 EDTPrev   Next
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Daily discharge, cubic feet per second -- statistics for Apr 15 based on 86 water years of record more
Min
(1966)		 25th
percen-
tile		 Most Recent
Instantaneous
Value Apr 15		 Median Mean 75th
percen-
tile		 Max
(1953)
9.00 25 33.6 44 51 65 175

Gage height, feet, MYSTIC VALLEY PARKWAY
Most recent instantaneous value: 7.88 04-15-2026   10:00 EDTPrev   Next
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USGS 01102505 UPPER MYSTIC LAKE, GATE HOUSE, AT WINCHESTER, MA

Elevation of reservoir water surface above datum, feet
Most recent instantaneous value: 114.69 04-15-2026   10:00 EDTPrev   Next
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USGS 01103025 ALEWIFE BROOK NEAR ARLINGTON, MA

Discharge, cubic feet per second
Most recent instantaneous value: 19.5 04-15-2026   09:45 EDTPrev   Next
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Daily discharge, cubic feet per second -- statistics for Apr 15 based on 19 water years of record more
Min
(2012)		 25th
percen-
tile		 Median Mean 75th
percen-
tile		 Most Recent
Instantaneous
Value Apr 15		 Max
(2019)
4.22 7.1 9.8 11 14 19.5 28.3

Gage height, feet
Most recent instantaneous value: 2.01 04-15-2026   09:45 EDTPrev   Next
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USGS 01103050 MYSTIC R AT AMELIA EARHART DAM NR SOMERVILLE, MA

Gage height, feet
Most recent instantaneous value: 105.25 04-15-2026   09:30 EDTPrev   Next
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Tide stage, above datum, feet
Most recent instantaneous value: 111.35 04-15-2026   09:45 EDTPrev   Next
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USGS 01103280 CHARLES RIVER AT MEDWAY, MA

Discharge, cubic feet per second
Most recent instantaneous value: 84.6 04-15-2026   09:45 EDTPrev   Next
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Daily discharge, cubic feet per second -- statistics for Apr 15 based on 28 water years of record more
Min
(2012)		 Most Recent
Instantaneous
Value Apr 15		 25th
percen-
tile		 Median Mean 75th
percen-
tile		 Max
(2004)
38.0 84.6 111 151 191 231 872

Gage height, feet
Most recent instantaneous value: 1.31 04-15-2026   09:45 EDTPrev   Next
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USGS 01103455 TROUT BROOK AT DOVER, MA

Discharge, cubic feet per second
Most recent instantaneous value: 5.45 04-15-2026   10:00 EDTPrev   Next
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Daily discharge, cubic feet per second -- statistics for Apr 15 based on 13 water years of record more
Most Recent
Instantaneous
Value Apr 15		 Min
(2023)		 25th
percen-
tile		 Median Mean 75th
percen-
tile		 Max
(2024)
5.45 5.52 7.2 9.2 9.5 12 15.2

Gage height, feet
Most recent instantaneous value: 1.69 04-15-2026   10:00 EDTPrev   Next
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USGS 01103500 CHARLES RIVER AT DOVER, MA

Discharge, cubic feet per second
Most recent instantaneous value: 260 04-15-2026   09:45 EDTPrev   Next
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Daily discharge, cubic feet per second -- statistics for Apr 15 based on 88 water years of record more
Min
(2012)		 Most Recent
Instantaneous
Value Apr 15		 25th
percen-
tile		 Median Mean 75th
percen-
tile		 Max
(1987)
108 260 339 534 564 722 1640

Gage height, feet
Most recent instantaneous value: 1.40 04-15-2026   09:45 EDTPrev   Next
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USGS 01104000 MOTHER BROOK AT DEDHAM, MA

Discharge, cubic feet per second
Most recent instantaneous value: 39.6 04-15-2026   10:15 EDTPrev   Next
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Daily discharge, cubic feet per second -- statistics for Apr 15 based on 94 water years of record more
Min
(1960)		 Most Recent
Instantaneous
Value Apr 15		 25th
percen-
tile		 Median Mean 75th
percen-
tile		 Max
(1987)
0.00 39.6 72 131 151 223 509

Gage height, feet
Most recent instantaneous value: 81.09 04-15-2026   10:15 EDTPrev   Next
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USGS 01104200 CHARLES RIVER AT WELLESLEY, MA

Discharge, cubic feet per second
Most recent instantaneous value: 259 04-15-2026   09:35 EDTPrev   Next
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Daily discharge, cubic feet per second -- statistics for Apr 15 based on 66 water years of record more
Min
(2012)		 Most Recent
Instantaneous
Value Apr 15		 25th
percen-
tile		 Median Mean 75th
percen-
tile		 Max
(1987)
113 259 320 500 518 647 1460

Gage height, feet
Most recent instantaneous value: 3.46 04-15-2026   09:35 EDTPrev   Next
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USGS 01104370 STONY BROOK AT VILES STREET, NEAR WESTON, MA

Temperature, water, degrees Celsius
Most recent instantaneous value: 15.1 04-15-2026   09:40 EDTPrev   Next
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Discharge, cubic feet per second
Most recent instantaneous value: 10.1 04-15-2026   09:40 EDTPrev   Next
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Daily discharge, cubic feet per second -- statistics for Apr 15 based on 16 water years of record more
Min
(2012)		 Most Recent
Instantaneous
Value Apr 15		 25th
percen-
tile		 Mean Median 75th
percen-
tile		 Max
(2024)
8.03 10.1 20 27 28 36 40.0

Gage height, feet
Most recent instantaneous value: 1.18 04-15-2026   09:40 EDTPrev   Next
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Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius
Most recent instantaneous value: 438 04-15-2026   09:40 EDTPrev   Next
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Chloride, water, filtered, estimated by regression equation, milligrams per liter
Most recent instantaneous value: 100 04-15-2026   09:40 EDTPrev   Next
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USGS 01104405 HOBBS BROOK AT MILL ST NR LINCOLN, MA

Temperature, water, degrees Celsius
Most recent instantaneous value: 13.5 04-15-2026   09:40 EDTPrev   Next
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Discharge, cubic feet per second
Most recent instantaneous value: 0.13 10-08-2015   23:50 EDTPrev   Next
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Daily discharge, cubic feet per second -- statistics for Apr 15 based on 5 water years of record more
Most Recent
Instantaneous
Value Apr 15		 Min
(2012)		 25th
percen-
tile		 Median Mean 75th
percen-
tile		 Max
(2015)
-- unavailable -- 1.37 1.9 2.5 2.8 3.8 4.89

Gage height, feet
Most recent instantaneous value: 1.26 04-15-2026   09:40 EDTPrev   Next
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Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius
Most recent instantaneous value: 480 04-15-2026   09:40 EDTPrev   Next
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Chloride, water, filtered, estimated by regression equation, milligrams per liter
Most recent instantaneous value: 120 04-15-2026   09:40 EDTPrev   Next
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USGS 01104410 CAMBRIDGE RES., UNNAMED TRIB 1, NR LEXINGTON, MA

Temperature, water, degrees Celsius
Most recent instantaneous value: 10.6 04-15-2026   09:30 EDTPrev   Next
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Discharge, cubic feet per second
Most recent instantaneous value: 0.06 10-06-2015   23:50 EDTPrev   Next
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Daily discharge, cubic feet per second -- statistics for Apr 15 based on 5 water years of record more
Most Recent
Instantaneous
Value Apr 15		 Min
(1998)		 25th
percen-
tile		 Median Mean 75th
percen-
tile		 Max
(2014)
-- unavailable -- 0.45 0.54 0.78 0.85 1.2 1.43

Gage height, feet
Most recent instantaneous value: 0.88 04-15-2026   09:30 EDTPrev   Next
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Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius
Most recent instantaneous value: 1150 04-15-2026   09:30 EDTPrev   Next
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Chloride, water, filtered, estimated by regression equation, milligrams per liter
Most recent instantaneous value: 320 04-15-2026   09:30 EDTPrev   Next
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USGS 01104415 CAMBRIDGE RES., UNNAMED TRIB 2, NR LEXINGTON, MA

Temperature, water, degrees Celsius
Most recent instantaneous value: 13.4 04-15-2026   09:40 EDTPrev   Next
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Discharge, cubic feet per second
Most recent instantaneous value: 0.38 04-15-2026   09:40 EDTPrev   Next
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Daily discharge, cubic feet per second -- statistics for Apr 15 based on 23 water years of record more
Min
(2012)		 Most Recent
Instantaneous
Value Apr 15		 25th
percen-
tile		 Median 75th
percen-
tile		 Mean Max
(2007)
0.11 0.38 0.44 0.68 0.81 1.1 5.98

Gage height, feet
Most recent instantaneous value: 0.76 04-15-2026   09:40 EDTPrev   Next
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Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius
Most recent instantaneous value: 588 04-15-2026   09:40 EDTPrev   Next
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Chloride, water, filtered, estimated by regression equation, milligrams per liter
Most recent instantaneous value: 150 04-15-2026   09:40 EDTPrev   Next
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USGS 01104420 CAMBRIDGE RES., UNNAMED TRIB 3, NR LEXINGTON, MA

Temperature, water, degrees Celsius, 25ft Downstream of pier
Most recent instantaneous value: 14.0 04-15-2026   09:40 EDTPrev   Next
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Discharge, cubic feet per second
Most recent instantaneous value: 1.27 04-15-2026   09:40 EDTPrev   Next
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Daily discharge, cubic feet per second -- statistics for Apr 15 based on 13 water years of record more
Min
(2021)		 25th
percen-
tile		 Most Recent
Instantaneous
Value Apr 15		 Median Mean 75th
percen-
tile		 Max
(2019)
0.58 1.2 1.27 1.4 1.8 2.4 5.92

Gage height, feet
Most recent instantaneous value: 1.60 04-15-2026   09:40 EDTPrev   Next
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Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius, 25ft Downstream of pier
Most recent instantaneous value: 1690 04-15-2026   09:40 EDTPrev   Next
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Barometric pressure (BP), uncorrected, pounds per square inch
 
-- Data temporarily unavailable for the time period specified --

Chloride, water, filtered, estimated by regression equation, milligrams per liter
Most recent instantaneous value: 480 04-15-2026   09:40 EDTPrev   Next
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USGS 01104425 HOBBS BRK AT TRAPELO RD AT LINCOLN, MA

Temperature, water, degrees Celsius
Most recent instantaneous value: 14.2 04-15-2026   09:40 EDTPrev   Next
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Elevation of reservoir water surface above datum, feet
Most recent instantaneous value: 176.98 04-15-2026   09:40 EDTPrev   Next
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Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius
Most recent instantaneous value: 1070 04-15-2026   09:40 EDTPrev   Next
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Dissolved oxygen, water, unfiltered, milligrams per liter
Most recent instantaneous value: 10.7 04-15-2026   09:40 EDTPrev   Next
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Turbidity, water, unfiltered, monochrome near infra-red LED light, 780-900 nm, detection angle 90 +-2.5 degrees, formazin nephelometric units (FNU)
 
-- Data temporarily unavailable for the time period specified --
USGS 01104430 HOBBS BK BELOW CAMBRIDGE RES NR KENDALL GREEN, MA

Temperature, water, degrees Celsius, GATE HOUSE
Most recent instantaneous value: 11.2 04-15-2026   09:40 EDTPrev   Next
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Temperature, water, degrees Celsius, RESERVOIR OUTLET
Most recent instantaneous value: 11.5 04-15-2026   10:10 EDTPrev   Next
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Temperature, air, degrees Celsius
Most recent instantaneous value: 21.8 04-15-2026   10:10 EDTPrev   Next
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Precipitation, total, inches
Most recent instantaneous value: 0.00 04-15-2026   10:10 EDTPrev   Next
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Discharge, cubic feet per second
Most recent instantaneous value: 0.03 04-15-2026   10:10 EDTPrev   Next
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Daily discharge, cubic feet per second -- statistics for Apr 15 based on 28 water years of record more
Most Recent
Instantaneous
Value Apr 15		 Min
(2001)		 25th
percen-
tile		 Median Mean 75th
percen-
tile		 Max
(2004)
0.03 0.14 1.2 8.3 12 23 52.5

Elevation of reservoir water surface above datum, feet, GATE HOUSE
Most recent instantaneous value: 177.04 04-15-2026   09:40 EDTPrev   Next
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Gage height, feet
Most recent instantaneous value: -0.26 04-15-2026   10:10 EDTPrev   Next
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Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius, GATE HOUSE
Most recent instantaneous value: 915 04-15-2026   09:40 EDTPrev   Next
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Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius, RESERVOIR OUTLET
Most recent instantaneous value: 1030 04-15-2026   10:10 EDTPrev   Next
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Dissolved oxygen, water, unfiltered, milligrams per liter, GATE HOUSE
Most recent instantaneous value: 11.7 04-15-2026   09:40 EDTPrev   Next
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Chlorophyll a, fluorometric method, uncorrected, micrograms per liter, GATE HOUSE, [Reservoir]
 
-- Data temporarily unavailable for the time period specified --

Turbidity, water, unfiltered, monochrome near infra-red LED light, 780-900 nm, detection angle 90 +-2.5 degrees, formazin nephelometric units (FNU), GATE HOUSE
 
-- Data temporarily unavailable for the time period specified --

Reservoir storage, million gallons, GATE HOUSE
Most recent instantaneous value: 1785 04-15-2026   09:40 EDTPrev   Next
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Sodium, water, filtered, estimated by regression equation, milligrams per liter, RESERVOIR OUTLET
Most recent instantaneous value: 155 04-15-2026   10:10 EDTPrev   Next
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Chloride, water, filtered, estimated by regression equation, milligrams per liter, RESERVOIR OUTLET
Most recent instantaneous value: 280 04-15-2026   10:10 EDTPrev   Next
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USGS 01104433 HOBBS BROOK, UNNAMED TRIBUTARY 1, NEAR WESTON, MA
*** There are no data available on the Waterdata system for the time period specified,
    although data may be available in the files of the local USGS office operating the station.
USGS 01104453 STONY BROOK UNNAMED TRIB 2 NR WESTON STATION

Temperature, water, degrees Celsius
Most recent instantaneous value: 16.7 04-15-2026   09:40 EDTPrev   Next
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Discharge, cubic feet per second
Most recent instantaneous value: 6.82 10-08-2015   01:00 EDTPrev   Next
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Daily discharge, cubic feet per second -- statistics for Apr 15 based on 6 water years of record more
Most Recent
Instantaneous
Value Apr 15		 Min
(2012)		 25th
percen-
tile		 Median Mean 75th
percen-
tile		 Max
(2015)
-- unavailable -- 0.87 3.5 6 6.1 8.9 11.2

Gage height, feet
 
-- Data temporarily unavailable for the time period specified --

Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius
Most recent instantaneous value: 782 04-15-2026   09:40 EDTPrev   Next
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Chloride, water, filtered, estimated by regression equation, milligrams per liter
Most recent instantaneous value: 200 04-15-2026   09:40 EDTPrev   Next
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USGS 01104455 STONY BROOK, UNNAMED TRIBUTARY 1, NEAR WALTHAM, MA

Temperature, water, degrees Celsius
Most recent instantaneous value: 12.1 04-15-2026   09:40 EDTPrev   Next
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Discharge, cubic feet per second
Most recent instantaneous value: 0.90 04-15-2026   09:40 EDTPrev   Next
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Daily discharge, cubic feet per second -- statistics for Apr 15 based on 26 water years of record more
Min
(2006)		 25th
percen-
tile		 Most Recent
Instantaneous
Value Apr 15		 Median Mean 75th
percen-
tile		 Max
(2007)
0.20 0.65 0.90 0.97 1.3 1.4 5.39

Gage height, feet
Most recent instantaneous value: 3.35 04-15-2026   09:40 EDTPrev   Next
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Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius
Most recent instantaneous value: 2460 04-15-2026   09:40 EDTPrev   Next
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Turbidity, water, unfiltered, monochrome near infra-red LED light, 780-900 nm, detection angle 90 +-2.5 degrees, formazin nephelometric units (FNU)
Most recent instantaneous value: 1.9 04-15-2026   09:40 EDTPrev   Next
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Chloride, water, filtered, estimated by regression equation, milligrams per liter
Most recent instantaneous value: 680 04-15-2026   09:40 EDTPrev   Next
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USGS 01104460 STONY BROOK AT RT 20 AT WALTHAM, MA

Temperature, water, degrees Celsius
Most recent instantaneous value: 15.4 04-15-2026   10:10 EDTPrev   Next
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Discharge, cubic feet per second, [(2)]
Most recent instantaneous value: 25.6 04-15-2026   10:10 EDTPrev   Next
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Daily discharge, cubic feet per second -- statistics for Apr 15 based on 24 water years of record more
Min
(2012)		 Most Recent
Instantaneous
Value Apr 15		 25th
percen-
tile		 Median Mean 75th
percen-
tile		 Max
(2004)
12.1 25.6 35 51 57 78 128

Gage height, feet
Most recent instantaneous value: 5.31 04-15-2026   10:10 EDTPrev   Next
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Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius
Most recent instantaneous value: 758 04-15-2026   10:10 EDTPrev   Next
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Chloride, water, filtered, estimated by regression equation, milligrams per liter
Most recent instantaneous value: 200 04-15-2026   10:10 EDTPrev   Next
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USGS 01104475 STONY BROOK RES., UNNAMED TRIB 1, NEAR WESTON, MA

Temperature, water, degrees Celsius
Most recent instantaneous value: 15.1 04-15-2026   09:40 EDTPrev   Next
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Discharge, cubic feet per second
Most recent instantaneous value: 1.23 04-15-2026   09:40 EDTPrev   Next
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Daily discharge, cubic feet per second -- statistics for Apr 15 based on 22 water years of record more
Min
(2012)		 25th
percen-
tile		 Most Recent
Instantaneous
Value Apr 15		 Median Mean 75th
percen-
tile		 Max
(2004)
0.41 1.2 1.23 1.9 2.1 2.2 7.69

Gage height, feet
Most recent instantaneous value: 0.58 04-15-2026   09:40 EDTPrev   Next
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Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius
Most recent instantaneous value: 494 04-15-2026   09:40 EDTPrev   Next
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Chloride, water, filtered, estimated by regression equation, milligrams per liter
Most recent instantaneous value: 99 04-15-2026   09:40 EDTPrev   Next
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USGS 01104480 STONY BROOK RESERVOIR AT DAM NEAR WALTHAM, MA

Temperature, water, degrees Celsius
 
-- Data temporarily unavailable for the time period specified --

Temperature, water, degrees Celsius, Sensor at Reservoir Elev 73 ft, [Elevation 73 feet]
Most recent instantaneous value: 9.5 04-15-2026   09:40 EDTPrev   Next
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Temperature, air, degrees Celsius
Most recent instantaneous value: 20.3 04-15-2026   09:40 EDTPrev   Next
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Precipitation, total, inches
Most recent instantaneous value: 0.00 04-15-2026   09:40 EDTPrev   Next
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Discharge, cubic feet per second, [(2)]
Most recent instantaneous value: 0.05 04-15-2026   10:10 EDTPrev   Next
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Daily discharge, cubic feet per second -- statistics for Apr 15 based on 26 water years of record more
Min
(2012)		 Most Recent
Instantaneous
Value Apr 15		 25th
percen-
tile		 Median Mean 75th
percen-
tile		 Max
(2004)
0.01 0.05 19 42 47 67 161

Elevation of reservoir water surface above datum, feet
Most recent instantaneous value: 80.76 04-15-2026   09:40 EDTPrev   Next
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Gage height, feet
Most recent instantaneous value: 0.69 04-15-2026   10:10 EDTPrev   Next
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Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius
 
-- Data temporarily unavailable for the time period specified --

Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius, Sensor at Reservoir Elev 73 ft, [Elevation 73 feet]
Most recent instantaneous value: 720 04-15-2026   09:40 EDTPrev   Next
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Dissolved oxygen, water, unfiltered, milligrams per liter, Sensor at Reservoir Elev 73 ft, [Elevation 73 feet]
Most recent instantaneous value: 10.7 04-15-2026   09:40 EDTPrev   Next
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Reservoir storage, million gallons
Most recent instantaneous value: 413.2 04-15-2026   09:40 EDTPrev   Next
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USGS 01104500 CHARLES RIVER AT WALTHAM, MA

Discharge, cubic feet per second
Most recent instantaneous value: 284 04-15-2026   09:30 EDTPrev   Next
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Daily discharge, cubic feet per second -- statistics for Apr 15 based on 94 water years of record more
Min
(2012)		 Most Recent
Instantaneous
Value Apr 15		 25th
percen-
tile		 Median Mean 75th
percen-
tile		 Max
(1987)
160 284 344 569 601 777 1650

Gage height, feet
Most recent instantaneous value: 1.83 04-15-2026   09:30 EDTPrev   Next
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USGS 01104501 BEAVER BROOK, LINDEN STREET, AT WALTHAM, MA

Discharge, cubic feet per second
Most recent instantaneous value: 12.0 04-15-2026   10:00 EDTPrev   Next
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Gage height, feet
Most recent instantaneous value: 2.50 04-15-2026   10:00 EDTPrev   Next
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USGS 01104683 MUDDY RIVER AT BROOKLINE, MA

Precipitation, total, inches
 
-- Data temporarily unavailable for the time period specified --

Gage height, feet
Most recent instantaneous value: 7.53 04-15-2026   10:00 EDTPrev   Next
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USGS 01104705 CHARLES RIVER AT FIRST ST AT CAMBRIDGE, MA

Gage height, feet
Most recent instantaneous value: 107.54 04-15-2026   10:10 EDTPrev   Next
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USGS 01104715 CHARLES RIVER, NEW CHARLES RIVER DAM AT BOSTON, MA

Gage height, feet
Most recent instantaneous value: 107.51 04-15-2026   10:18 EDTPrev   Next
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