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LOCATION--Lat 41°23’01", long
71°50’01", Washington County, Hydrologic Unit 01090005, on
left bank at Westerly, 2.1 mi downstream from Shunock River.
DRAINAGE AREA--295 mi2.
PERIOD OF RECORD--Discharge: November 1940 to current
year.
Water-quality records: Water years 1953, 1963, 1976–2002.
REVISED RECORDS--WSP 1051: drainage area.
GAGE--Data Collection Platform with satellite telemeter. Datum
of gage is 2.68 ft below NAVD 1988, from survey. Datum of gage
previously reported as 1.76 ft below NGVD 1929.
REMARKS--Records good except those for estimated daily
discharge, which are fair. Many days are adjusted for tidal backwater,
which lasts as much as 4 hours during times of high tide. Diurnal
fluctuation at low flow prior to 1962 by mills upstream; regulation
much greater prior to 1958. Diversion upstream for municipal supply of
Westerly.
COOPERATION BY--Rhode Island Water Resources
Board
For more information on the areal extent and depth of flood inundation during flooding at and near this streamgage go to the Flood Inundation Mapper |
Boating safety tips |
Min (2016) | Most Recent Instantaneous Value Aug 9 | 25th percen- tile | Median | Mean | 75th percen- tile | Max (1946) |
---|---|---|---|---|---|---|
55.9 | 63.4 | 124 | 170 | 234 | 265 | 1700 |