LOCATION--Lat 42° 13'54.9", long 73° 21'16.8", Berkshire County, Hydrologic Unit 01100005, on left bank at upstream side of highway bridge at Van Deusenville, 0.5 mi upstream from Williams River, and 2 mi north of Great Barrington.
DRAINAGE AREA--282 mi².
PERIOD OF RECORD--Discharge: May 1913 to current year.
Water-quality records: Water years 1957–59, 1964, 1971, and 1980.
Suspended sediment records: Water years 1980, 1994–96 (discontinued).
REVISED RECORDS--WSP 415: 1913–14. WSP 781: 1928(M). WSP 1051: 1928, 1933. WSP 1301: 1914–15(M), 1917–27(M), 1929–31(M). WDR MA-RI-83-1: 1980(P), 1982(P). WDR MA-RI-84-1: drainage area.
GAGE--Data Collection Platform with satellite telemeter. Datum of gage is 683.04 ft above National Geodetic Vertical Datum of 1929. Prior to Oct. 1, 1931, nonrecording gage at same site and datum.
REMARKS--Regulation at low flow by powerplants upstream. High flow slightly affected by retarding reservoir since 1973.
COOPERATION BY--Massachusetts Department of Conservation and Recreation, Office of Water Resources.