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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.


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USGS 01175500 SWIFT RIVER AT WEST WARE, MA

PROVISIONAL DATA SUBJECT TO REVISION

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LOCATION

LOCATION--Lat 42°16'04", long 72°19'59", Hampshire County, Hydrologic Unit 01080204, on left bank at West Ware, 1.4 mi downstream from  Quabbin Reservoir, 3.5 mi east of Belchertown, and 8.0 mi upstream from mouth.
DRAINAGE AREA--189 mi2, includes 1.6 mi2 drained by Beaver Brook, flow of which is diverted from Ware River basin. Prior to January 1937, 186 mi2.
PERIOD OF RECORD--Discharge: July 1910 to September 1912 (twice-daily gage heights and corresponding discharge), October 1912 to current year.
Water-quality records: Water years 1952–54.
REVISED RECORDS--WSP 451: 1916. WSP 871: 1919. WSP 1031: 1944 (changes in reservoir contents and adjusted figures only). WSP 1301: 1925(M). WDR MA-RI-84-1: drainage area.
GAGE--Data Collection Platform with satellite telemeter. Datum of gage is 364.54 ft above NAVD 1988. Prior to May 11, 2020, datum reported as 365.18 ft above NGVD 1929. Prior to Aug. 25, 1912, non-recording gage at site 400 ft upstream at same datum.
REMARKS--Flow regulated since August 1939 by Quabbin Reservoir, usable capacity, 53.8 billion cubic feet. Diversion from Ware River to  Quabbin Reservoir since 1940, from  Quabbin Reservoir to Wachusett Reservoir since 1941, from Quabbin Reservoir to Chicopee Valley aqueduct since 1950, and from Quabbin Reservoir to city of Worcester at times since 1966.

This gage is monitored in cooperation with the Massachusetts Department of Conservation and Recreation, Division of Water Supply Protection, Office of Watershed Management, with funding from the Massachusetts Water Resources Authority .

Link to Department of Conservation and Recreation

Link to Massachusetts Water Resources Authority

Photo of Swift River looking Upstream. Link to the DCR.

Photo of Swift River looking Downstream. Link to the DCR.

Photo of Swift River looking Downstream

Photo of Swift River looking Upstream

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

Available Parameters Available Period
  
1987-10-01  2021-03-08
2007-10-01  2021-03-08







 (7)
 
  -- or --

 

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

Discharge, cubic feet per second
Most recent instantaneous value: 44.7 03-08-2021   21:15 EST
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Daily discharge, cubic feet per second -- statistics for Mar 8 based on 80 water years of record more
Min
(1970)		 25th
percen-
tile		 Most Recent
Instantaneous
Value Mar 8		 Median Mean 75th
percen-
tile		 Max
(1997)
27.0 38 44.7 45 87 98 514

Gage height, feet
Most recent instantaneous value: 2.15 03-08-2021   21:15 EST
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