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ICE EFFECTS ON STREAMFLOW

The formation of ice on rivers can cause discharge values to appear unusually high. Display of these erroneous discharge data may result in improper assessment of flow conditions and misuse of the data. For this reason, display of discharge values for streams significantly affected by ice may be disabled from view. Display of discharge data will resume when ice conditions are no longer present. Discharge values for streams minimally affected by ice will continue to be displayed. Flows for streams with these conditions appear to increase during the night and decrease to near-base-line conditions around midday. To estimate the correct discharge for these streams, use the flow rate that corresponds to the bottom of the discharge curve, rather than the peak that corresponds to the top of the curve. Note that this method of estimation is possible only when no surface runoff is occurring. Daily mean discharges for periods of both significant and minimal ice-effect will be estimated and published in the Annual Water-Data Report for the water year in which they occurred.


* IMPORTANT: Next Generation Station Page

USGS 01183500 WESTFIELD RIVER NEAR WESTFIELD, MA

PROVISIONAL DATA SUBJECT TO REVISION

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LOCATION--Lat 42° 06'24", long 72° 41'58", Hampden County, Hydrologic Unit 01080206, on left bank 0.7 mi downstream from Great Brook, 3 mi east of Westfield, and 8.1 mi upstream from mouth.
DRAINAGE AREA--497 mi2.
PERIOD OF RECORD--Discharge: June 1914 to current year.
Water Quality: Water years 1952–53, 1957, 1967–74, 1994.
REVISED RECORDS--WSP 601: 1924(M). WSP 756: drainage area. WSP 1051: 1919–21(M), 1925(M). WSP 1231: 1915–16(M), 1920.
GAGE--Data Collection Platform with satellite telemeter. Datum of gage is 97.52 ft above NAVD 1988. Prior to May 11, 2020, datum reported as 98.25 ft above NGVD 1929. Prior to Nov. 3, 1933, on right bank at same datum.
REMARKS--Flow regulated by Borden Brook Reservoir, Cobble Mountain Reservoir since 1931, Knightville Reservoir since 1941, and Littleville Lake since 1965. High flow slightly affected by retarding reservoirs since 1963. Diversion from Little River for municipal supply of Springfield. Telephone and satellite gage-height telemeters at station.
COOPERATION BY--Massachusetts Department of Conservation and Recreation, Office of Water Resources.

Boating safety tips
This station managed by the Northborough MA Field Office.

Available Parameters Available Period
  
1990-10-01  2020-05-29
2007-10-01  2020-05-29







 (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: 433 05-29-2020   16:30 EDT
Graph of Discharge, cubic feet per second

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Daily discharge, cubic feet per second -- statistics for May 29 based on 105 water years of record more
Min
(1964)		 25th
percen-
tile		 Most Recent
Instantaneous
Value May 29		 Median Mean 75th
percen-
tile		 Max
(1984)
228 419 433 730 937 1140 6040

Gage height, feet
Most recent instantaneous value: 3.98 05-29-2020   16:30 EDT
Graph of Gage height, feet

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