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USGS 01179500 WESTFIELD RIVER AT KNIGHTVILLE, MA

PROVISIONAL DATA SUBJECT TO REVISION

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LOCATION--Lat 42° 17'16", long 72° 51'53", Hampshire County, Hydrologic Unit 01080206, on left bank at Knightville, 0.2 mi downstream from Knightville Dam, 0.2 mi upstream from Sykes Brook, 2.4 mi upstream from Middle branch, 3.5 mi north of Huntington, and at mile 29.7.
DRAINAGE AREA--161 mi2.
PERIOD OF RECORD--Discharge: August 1909 to September 1990, October 1995 to current year.
Water-quality records: Water year 1953.
REVISED RECORDS--WSP 415: 1909–12. WSP 1001: 1941–43. WSP 1231: 1910, 1912, 1913(M), 1914–15, 1916–19(M), 1921–23(M), 1925–27(M), 1929–33(M), 1935(M). WDR MA-RI-84-1: drainage area.
GAGE--Data Collection Platform with satellite telemeter. Datum of gage is 460.62 ft above NAVD 1988, from levels by U.S. Army Corps of Engineers. Prior to May 11, 2020, datum reported as 461.25 ft above NGVD 1929, from levels by U.S. Army Corps of Engineers, obtained from elevation of RM-2 used as 466.88 ft above mean sea level by Corps of Engineers (The source of this elevation is B.M. P-6, U.S.C. & G.S. at Huntington, elevation, 381.91 ft, datum of 1929). Prior to Jan. 11, 1936, non-recording gage at site 0.5 mi upstream at different datum. Jan. 11, 1935, to May 20, 1940, water-stage recorder at site 700 ft upstream at datum 10.57 ft higher. May 21 to Dec. 19, 1940, non-recording gage at site 700 ft upstream at datum 18.75 ft higher.
REMARKS-- Flow regulated by Knightville reservoir since 1941.
COOPERATION BY--U.S. Army Corps of Engineers

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This station managed by the Northborough MA Field Office.

Available Parameters Available Period
  
1995-11-01  2021-10-21
2018-10-22  2021-10-21
2007-10-01  2021-10-21







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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: 315 10-21-2021   16:30 EDT
Graph of  Discharge, cubic feet per second

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Daily discharge, cubic feet per second -- statistics for Oct 21 based on 107 water years of record more
Min
(1954)
25th
percen-
tile
Median 75th
percen-
tile
Mean Most Recent
Instantaneous
Value Oct 21
Max
(1956)
15.0 47 96 186 239 315 3490


Elevation of reservoir water surface above datum, feet

Most recent instantaneous value: 3.65 10-21-2021   16:30 EDT
Graph of  Elevation of reservoir water surface above datum, feet

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Gage height, feet

Most recent instantaneous value: 3.47 10-21-2021   16:30 EDT
Graph of  Gage height, feet

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