LOCATION--Lat 42^o18'59", long 71^o13'42", Norfolk County, Hydrologic Unit 01090001, on left bank at east limits of Wellesley, 30 ft upstream from a horseshoe-shaped dam and 50 ft upstream from bridge on State Highway 9.
DRAINAGE AREA--211 mi².
PERIOD OF RECORD.--August 1959 to current year.
GAGE--Data Collection Platform with satellite telemeter. Datum of gage is 67.12 ft above NAVD 1988. Datum previously reported as 67.92 ft above NGVD 1929.
REMARKS--Records good. Flow affected by diversion to Mother Brook (station 01104000), and by diversions to and from basin for municipal supplies. Occasional regulation at dam 0.2 mi upstream and by other ponds upstream.
COOPERATION BY--Massachusett Department of Conservation and Recreation, Division of Planning and Engineering.