USGS Water-Year Summary 2024

01105000 NEPONSET RIVER AT NORWOOD, MA

LOCATION - Lat 42°10'39", long 71°12'05" referenced to North American Datum of 1927, Norfolk County, MA, Hydrologic Unit 01090001, on left bank 200 ft upstream from Pleasant Street Bridge, 200 ft downstream from railroad bridge, 0.45 mi downstream from Hawes Brook, and 0.5 mi south of Norwood.

DRAINAGE AREA - 34.7 mi².

REVISIONS HISTORY - WDR MA-RI-78-1: 1976(M). WDR MA-RI-84-1: Drainage area.

SURFACE-WATER RECORDS

PERIOD OF RECORD - Discharge: October 1939 to current year. October 1939 monthly discharge only, published in WSP 1301. Water-quality records: Water years 1958-59, 1966-68, 1999-2001.

GAGE - Data Collection Platform with satellite telemeter. Datum of gage is 43.25 ft above NAVD 1988. Prior to May 12, 2020, datum of gage reported as 44.04 ft above NGVD 1929. Since Oct. 1, 1960, recording orifice at upstream side of railroad bridge, at same datum.

COOPERATION - Massachusetts Department of Conservation and Recreation, Office of Water Resources.

REMARKS - Records good except those for estimated daily discharge, which are fair. Flow regulated by mills and reservoirs upstream. Flow affected by several diversions upstream for municipal and industrial use. Note: the historical maximum peak stage of 14.65 ft on Aug. 19, 1955 is from flood marks. Also note that the lowest daily mean discharge of 0.58 cfs on Aug. 13, 2002 was caused by unusual regulation.

WATER-QUALITY RECORDS

PERIOD OF RECORD - Water-quality records: Water years 1958-59, 1966-68, 1999-2001.