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USGS Water-Year Summary 2024
01175500 SWIFT RIVER AT WEST WARE, MA
LOCATION - Lat 42°16'04", long 72°19'59" referenced to North American Datum of 1927, Hampshire County, MA, 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.
REVISIONS HISTORY - 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.
SURFACE-WATER RECORDS
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.
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.
COOPERATION - Massachusetts Department of Conservation and Recreation, Division of Water Supply Protection, Office of Watershed Management.
REMARKS - Records good except those for estimated daily discharges and those for discharges greater than 500 ft³/s, which are poor. 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.
EXTREMES FOR PERIOD PRIOR TO REGULATION - Maximum discharge prior to construction of Quabbin Reservoir in 1939, 7,590 ft³/s, Mar. 19, 1936, gage height, 15.00 ft.
AVERAGE DISCHARGE FOR PERIOD PRIOR TO REGULATION - Average discharge for period prior to construction of Quabbin Reservoir during water years 1913-39 (27 years), 314 ft³/s, 22.56 in/yr.
WATER-QUALITY RECORDS
PERIOD OF RECORD - Water-quality records: Water years 1952-54.
