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

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USGS Water-Year Summary 2022
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).
PERIOD OF RECORD - August 1943 to current year.
GAGE - Water-stage recorder. Datum of the gage is 1,558.88 ft (+/-0.10)  above NAVD 88. The NAVD 1988 datum was determined by a level 2 GNSS survey (Reference Frame NAD_83 (2011) (EPOCH:2010.0000), GEOID18) by USGS on October 26, 2022 and tied to RM-5. Prior to October 26, 2022 Datum of gage was reported as 1,557.96 ft above NAVD 88. Determined from U.S. Geological Survey bronze tablet bench mark in Brandywine described as follows: "Northwest corner of Post Office (old Post Office) in the southwest corner of front yard of postmaster, top of concrete post, bronze tablet stamped '1586 W. V. H83.' Elevation 1,586.71 ft above NAVD 88 (1,587.07 ft above NGVD 29, and 1,586.32 ft above COE 12)." 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.