LOCATION--Lat 42°42'32", long 73°11'50", Berkshire County, Hydrologic Unit 02020003, on left bank 0.1 mi upstream from bridge on State Highway 2 at Williamstown and 0.8 mi upstream from mouth.
DRAINAGE AREA--42.6 mi².
PERIOD OF RECORD--Discharge: September 1949 to current year.
Water-quality records: Water years 1967–69.
GAGE--Data Collection Platform with satellite telemeter. Datum of gage is 610.28 ft above North American Vertical Datum of 1988.
COOPERATION BY--Massachusetts Department of Conservation and Recreation, Office of Water Resources.