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Streamflow Measurements for the Nation

! Streamflow measurement pages will be decommissioned in early 2026. Please find the modernized pages in WDFN that suit you best. Learn more about our modernization plans and timeline and new pages.

USGS 01128500 CONNECTICUT R AT FIRST CONN LK NR PITTSBURG, NH
Coos County, New Hampshire
Hydrologic Unit Code 01080101
Latitude  45°05'13", Longitude  71°17'33" NAD27
Drainage area 83.00  square miles
Gage datum 1,560.00 feet above NGVD29
Output formats
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Meas.
Number		   Date       Time Time
Datum		 Measurement
Used?		   Who Measuring
Agency		 Stream
flow
(ft3/s)		 Gage
Height
(ft)		 GH
Change
(ft)		 Meas.
Duration
(hr)		 Meas.
Rated		   Control Flow
Adjust.
Code 		 Channel
Number		 Channel
Name		 Meas.
type 		 Stream
flow
method 		 Velocity
method 		 Channel
flow
(ft3/s)		 Channel
width
(ft)		 Channel
area
(ft2)		 Channel
vel.
(ft/s)		 Channel
stability 		 Channel
material 		 Channel
evenness 		 Long.
vel.
desc. 		 Horz.
vel.
desc. 		 Vert.
vel.
desc. 		 Channel
loc.
code 		 Channel
loc.
dist.(ft)
4431990-03-01 -- ----YesSCS/RLPUSGS3112.680.000.60FairClearNONE1Imported Channel 1WADEunspeunkno31172.51292.40UNSPUNSPUNSPunknUNSPUNSPUNSP
4421990-01-17 -- ----YesSCS/RLPUSGS1382.230.000.40FairClearNONE1Imported Channel 1WADEunspeunkno13862.077.11.79UNSPUNSPUNSPunknUNSPUNSPUNSP
4411989-07-18 -- ----YesJIMUSGS1472.240.000.60GoodClearNONE1Imported Channel 1WADEunspeunkno14758.089.71.64UNSPUNSPUNSPunknUNSPUNSPUNSP
4401989-07-18 -- ----YesSCSUSGS1342.240.000.80FairClearNONE1Imported Channel 1WADEunspeunkno13468.580.51.66UNSPUNSPUNSPunknUNSPUNSPUNSP
4391989-06-14 -- ----YesJEKUSGS2062.400.000.50GoodClearNONE1Imported Channel 1WADEunspeunkno20671.01002.05UNSPUNSPUNSPunknUNSPUNSPUNSP
4381989-06-14 -- ----YesRLPUSGS1802.400.000.50GoodClearNONE1Imported Channel 1WADEunspeunkno18070.095.81.88UNSPUNSPUNSPunknUNSPUNSPUNSP
4371989-03-22 -- ----YesRLP/R-BUSGS53.61.810.001.00FairClearNONE1Imported Channel 1WADEunspeunkno53.672.076.00.71UNSPUNSPUNSPunknUNSPUNSPUNSP