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Water-Year Summary for Site 03176500

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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 2023: 2023-10-01 to 2024-09-30

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USGS Water-Year Summary 2023
LOCATION - Lat 37°22'22", long 80°51'39" referenced to North American Datum of 1927, Giles County, VA, Hydrologic Unit 05050002, on right bank 90 ft upstream from bridge on U.S. Highway 460 at Glen Lyn, 0.3 mi upstream from East River, and 6.3 mi downstream from Wolf Creek.
DRAINAGE AREA - 3,770 mi².
REVISIONS HISTORY - WSP 1305: 1928(M), 1930(M). OFR 2006-1308: Drainage area.
PERIOD OF RECORD - August 1927 to current year.
GAGE - Water-stage recorder. Datum of gage is 1,489.6 ft NAVD of 1988. Aug. 11, 1927, to Oct. 16, 1934, on left bank opposite current site, at present datum. Oct. 17, 1934, to June 16, 1939, on left bank at site 200 ft upstream, at present datum.
REMARKS - Flow regulated since 1939 by Claytor Reservoir (station 03169000) 55 mi upstream from station. Statistics of monthly mean data and summary statistics for water years 1928-1938 (unregulated flow) are available in previous data books, water years 1991-1998. Water withdrawn by American Electric Power at gage. U.S. Army Corps of Engineers satellite gage-height telemeter at station. Maximum discharge, 226,000 ft³/s, from rating curve extended above 89,000 ft³/s on basis of slope-area measurement of peak flow.
EXTREMES FOR PERIOD PRIOR TO REGULATION - 1928-38: Maximum peak flow, 99,000 ft³/s, Oct. 3, 1929, gage height, 16.75 ft. Instantaneous low flow, 770 ft³/s, Sept. 8, 1930, affected by withdrawals.
PERIOD OF RECORD - Water years 1931, 1950, 1952, 1955-56, 1965-95, 1996-1998.