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Water-Year Summary for Site 01607500

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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
01607500 SOUTH FORK SOUTH BRANCH POTOMAC RIVER AT BRANDYWINE, WV
LOCATION - Lat 38°37'53", long 79°14'38" referenced to North American Datum of 1927, Pendleton County, WV, Hydrologic Unit 02070001, on left bank 50 ft upstream from bridge on U.S. Highway 33, 0.1 mi upstream from Hawes Run, 0.4 mi north of Brandywine, 0.9 mi downstream from Broad Run, and at mile 44.9.
DRAINAGE AREA - 103 mi².
REVISIONS HISTORY - WSP 1141: 1945(M), 1947(M). WDR WV-84-1: 1983. WDR WV-88-1: 1987. WDR WV-97-1: Drainage area, 1967(M), 1971-75(M), 1977-78(M).
SURFACE-WATER RECORDS
PERIOD OF RECORD - August 1943 to current year.
GAGE - Water-stage recorder. Datum of gage is 1,557.96 ft NAVD of 1988. Prior to Sept. 24, 1956, nonrecording gage at highway bridge 50 ft downstream at same datum. Prior to Oct. 1, 1965, published as South Fork of South Branch Potomac River at Brandywine.
REMARKS - Beginning in 1973, the flow from 41.3 mi² upstream from station has been partially controlled, but not diverted, by several floodwater-detention reservoirs with a total combined detention capacity of 8,882 acre-ft. Maximum discharge, 41,200 ft³/s, from rating curve extended above 5,300 ft³/s on basis of slope-area measurement of peak flow, highest since 1878.
EXTREMES OUTSIDE PERIOD OF RECORD - Maximum discharges for the November 1877 and 1896 peaks were about 40,000 ft³/s and 45,000 ft³/s, respectively; based on notes from local residents comparing these peaks to the 1949 peak.