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USGS 01118500 PAWCATUCK RIVER AT WESTERLY, RI

PROVISIONAL DATA SUBJECT TO REVISION

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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
Available Parameters Available Period
  
2019-03-19  2020-08-25
1990-10-01  2021-07-30
2007-10-01  2021-07-30
2019-03-19  2020-08-22
2019-03-19  2020-08-25
2019-03-25  2020-08-22
2019-03-19  2020-08-25
2019-03-19  2020-08-25
2019-03-19  2020-08-25
2019-03-19  2020-08-17







 (7)
 

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Summary of all available data for this site
Instantaneous-data availability statement


Discharge, cubic feet per second

Most recent instantaneous value: 205 07-30-2021   12:00 EDT
Graph of  Discharge, cubic feet per second

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Daily discharge, cubic feet per second -- statistics for Jul 30 based on 80 water years of record more
Min
(2016)
25th
percen-
tile
Median Most Recent
Instantaneous
Value Jul 30
Mean 75th
percen-
tile
Max
(2009)
78.7 139 186 205 233 289 1230


Gage height, feet

Most recent instantaneous value: 4.46 07-30-2021   12:00 EDT
Graph of  Gage height, feet

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