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USGS 01096000 SQUANNACOOK RIVER NEAR WEST GROTON, MA

PROVISIONAL DATA SUBJECT TO REVISION

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LOCATION--Lat 42° 38’03", long 71° 39’30", Middlesex County, Hydrologic Unit 01070004, on left bank 0.7 mi downstream from Trout Brook and 2.7 mi northwest of West Groton.
DRAINAGE AREA--63.7 mi2, excludes 2.16 mi2, above outlet of Ashby Reservoir.
PERIOD OF RECORD--Discharge: October 1949 to current year.
Water-quality records: Water year 1957.
REVISED RECORDS--WDR MA-RI-84-1: drainage area.
GAGE--Data Collection Platform with satellite telemeter. Datum of gage is 244.27 ft above National Geodetic Vertical Datum of 1929.
REMARKS--Occasional regulation at low flow by mill upstream; regulation greater prior to 1961. Entire flow from 2.16 mi2 upstream from outlet of Ashby Reservoir diverted for municipal supply of Fitchburg except for occasional periods of spill.
COOPERATION BY-- Massachusetts Department Of Conservation and Recreation, Office of Water Resources.


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Available Parameters Available Period
All 2 Available Parameters for this site
  
00060 Discharge 1990-10-01  2018-04-20
00065 Gage height 2007-10-01  2018-04-20

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Summary of all available data for this site
Instantaneous-data availability statement


Discharge, cubic feet per second

Most recent instantaneous value: 369 04-20-2018   01:00 EDT
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Daily discharge, cubic feet per second -- statistics for Apr 20 based on 68 years of record more
Min
(2012)
25th
percen-
tile
Median Mean 75th
percen-
tile
Most Recent
Instantaneous
Value Apr 20
Max
(1997)
52.3 121 161 213 285 369 951


Gage height, feet

Most recent instantaneous value: 3.81 04-20-2018   01:00 EDT
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