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USGS Water-Year Summary 2024
03209000 POUND RIVER BELOW FLANNAGAN DAM, NEAR HAYSI, VA
LOCATION - Lat 37°14'13", long 82°20'36" referenced to North American Datum of 1927, Dickenson County, VA, Hydrologic Unit 05070202, on right bank 1,100 ft upstream from Blacklog Branch, 1,700 ft downstream from John W. Flannagan Dam, 1.4 mi upstream from mouth, and 3.4 mi northwest of Haysi.
DRAINAGE AREA - 221 mi².
REVISIONS HISTORY - WSP 953: 1940-41. WSP 1003: 1942, 1943(P). WSP 1275: 1927-30, 1931(M), 1932-39.
SURFACE-WATER RECORDS
PERIOD OF RECORD - July 1926 to current year. Monthly discharge only for some periods, published in WSP 1305. Prior to October
1963, published as Pound River near Haysi.
GAGE - Water-stage recorder. Datum of gage is 1,199.06 ft NAVD88. Prior to Dec. 20, 1939, nonrecording gage at site 3.8 mi upstream, at different datum. Dec. 20, 1939, to Sept. 30, 1963, water-stage recorder at site 4.6 mi upstream, at datum of 1,279.91 ft NGVD of 1929.
REMARKS - Flow regulated since March 1965 by John W. Flannagan Reservoir (station 03208990) 1,700 ft upstream and since August 1966 by North Fork of Pound Lake (station 03208680) 33 mi upstream. Statistics of monthly mean data and summary statistics for water years 1926-1964 (unregulated flow) are available in previous data books, water years 1991-1998. U.S. Army Corps of Engineers satellite precipitation and gage-height telemeter at station. Maximum discharge, about 30,000 ft³/s, from rating curve extended above 1,750 ft³/s. Water-quality records for some prior periods have been collected at this location.
EXTREMES FOR PERIOD PRIOR TO REGULATION - 1926-64: Maximum peak flow, 30,000 ft³/s, Mar. 23, 1929, gage height, 16.50 ft, from floodmarks, site and datum then in use. Instantaneous low flow, less than 0.10 ft³/s, on several days in September 1932.
