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Water-Year Summary for Site 01174500

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  • Water-Year Summary reports summarize a year of hydrologic data in a printer-friendly format.
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Available Parameters
00060 Discharge(Mean)  

Water year 2021: 2021-10-01 to 2022-09-30
 

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USGS Water-Year Summary 2021
01174500 EAST BRANCH SWIFT RIVER NEAR HARDWICK, MA
LOCATION - Lat 42°23'36", long 72°14'20" referenced to North American Datum of 1927, Worcester County, MA, Hydrologic Unit 01080204, on left bank 100 ft upstream from spillway of regulating dam and 4.6 mi northwest of Hardwick.
DRAINAGE AREA - 43.7 mi².
SURFACE-WATER RECORDS
PERIOD OF RECORD - Discharge: January 1937 to current year. Published as "near Dana" January 1937 to September 1939. Water-quality records: Water year 1957.
GAGE - Water-stage recorder with satellite telemeter. Concrete spillway since Mar. 12, 1940. Datum of gage is 504.70 ft above National Geodetic Vertical Datum of 1929.
COOPERATION - Massachusetts Department of Conservation and Recreation, Division of Water Supply Protection, Office of Watershed Management.
REMARKS - Records fair except those for estimated daily discharge, which are poor.

Note: The maximum peak flow of 6,780 cfs on Sept. 21,1938 is based on the average of slope-area and contracted-opening measurements. the maximum peak stage of 22.49 ft is the highest since construction of concrete spillway in 1940. The instantaneous low flow of 0.00 cfs on Aug. 7, 1939 has occurred during many water years since records started.
WATER-QUALITY RECORDS
DATUM - Land-surface datum is 504.7 ft above National Geodetic Vertical Datum of 1929. Measuring point: MEASURINGPOINT.
PERIOD OF RECORD - Water-quality records: Water year 1957.