LOCATION--Lat 42° 10'56", long 72° 15'51", Hampden County, Hydrologic Unit 01080204, on right bank 10 ft upstream from abandoned highway bridge site at West Brimfield, 0.9 mi upstream from Blodgett Mill Brook, 3.5 mi northeast of Palmer, and 9.9 mi upstream from mouth.
DRAINAGE AREA--150 mi².
PERIOD OF RECORD--Discharge: August 1909 to July 1912 (twice-daily gage heights and corresponding discharges), August 1912 to current year.
Water-quality records: Water years 1953, 1967, 1969–70, 1972–74.
REVISED RECORDS--WSP 451: 1916. WSP 1301: 1918(M). WDR MA-RI-84-1: drainage area.
GAGE--Data Collection Platform with satellite telemeter. Datum of gage is 389.36 ft above NAVD 1988, estimated from topographic map. Prior to May 11, 2020, datum reported as 390 ft above NGVD 1929, estimated from topographic map. Prior to Aug. 19, 1912, nonrecording gage, and Aug. 19, 1912, to Oct. 31, 1955, water-stage recorder, at several sites 0.5 mi downstream at different datum.
REMARKS--Slight diurnal fluctuation at low flow caused by mill upstream prior to 1956; regulation much greater prior to 1938. High flow slightly affected by retarding reservoirs since 1965.
COOPERATION BY--Massachusetts Department of Conservation and Recreation, Office of Water Resources.