USGS Water-Year Summary 2020
01111300 NIPMUC RIVER NEAR HARRISVILLE, RI
LOCATION - Lat 41°58'52", long 71°41'11" referenced to North American Datum of 1927, Providence County, RI, Hydrologic Unit 01090003, on left bank 1.0 mi upstream from mouth and 1.2 mi northwest of Harrisville.
DRAINAGE AREA - 16 mi².
- WDR MA-RI-98-1: 1999. WDR MA-RI, water years 2003-2009, annual peak discharges.
PERIOD OF RECORD - Discharge: March 1964 to September 1991, October 1993 to current year. Water-quality records: Water year 1968.
GAGE - Data Collection Platform with satellite telemeter. Datum of gage is 339.22 ft above NAVD 1988, estimated from topographic map. Prior to May 5, 2020, datum of gage reported as 340 ft above NGVD 1929, estimated from topographic map.
COOPERATION - Rhode Island Department of Environmental Management.
PERIOD OF RECORD - Water-quality records: Water year 1968.