LOCATION--Lat 42° 42'01", long 73° 09'34",
Berkshire County, Hydrologic Unit 02020003, on left bank 0.3 mi
downstream from Sherman Brook and 2.7 mi east of junction of U.S.
Highway 7 and State Highway 2 in Williamstown. DRAINAGE AREA--126 mi2. PERIOD OF RECORD--Discharge: July 1940 to current year.
Water-quality records: Water years 1953–54, 1957–58,
1967–69. GAGE--Data Collection Platform with satellite telemeter. Datum
of gage is 616.11 ft above National Geodetic Vertical Datum of 1929,
(U.S. Army Corps of Engineers benchmark). Prior to June 6, 1979, at
site 1.2 mi downstream at different datum. REMARKS--Prior to 1966, slight diurnal fluctuation at low flow
caused by mills upstream. Some regulation by Cheshire Reservoir 16 mi
upstream. Satellite gage-height telemeter at station. COOPERATION BY--Massachusetts Department of
Conservation and Recreation, Office of Water Resources and Department
of Environmental Protection, Office of Watershed Management