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USGS Water-Year Summary 2024
02013100 JACKSON RIVER BELOW DUNLAP CREEK, AT COVINGTON, VA
LOCATION - Lat 37°47'19", long 80°00'03" referenced to North American Datum of 1927, Covington City, VA, Hydrologic Unit 02080201, on left bank in city recreation park and 0.5 mi downstream from Dunlap Creek.
DRAINAGE AREA - 612 mi².
REVISIONS HISTORY - WDR VA-76-1: 1975(M). OFR 2006-1308: Drainage area.
SURFACE-WATER RECORDS
PERIOD OF RECORD - October 1974 to current year.
GAGE - Water-stage recorder. Datum of gage is 1,205.94 ft NAVD of 1988.
REMARKS - Small diurnal fluctuation at low flow caused by Westvaco plant 0.8 mi upstream and occasionally by dam on Dunlap Creek 12.7 mi upstream. Flow regulated since December 1979 by Lake Moomaw (station 02011795) 19.9 mi upstream; since October 1984 by Back Creek Lake 47.9 mi upstream, amount unknown; and since January 1985 by Little Back Creek Lake 51.0 mi upstream, amount unknown. Statistics of monthly mean data and summary statistics for water years 1975-1979 (unregulated flow) are available in previous data books, water years 1991-1998. Diversion by Westvaco plant averages 47 ft³/s for industrial use of which approximately 42 ft³/s is returned upstream from station. Diversion 2.0 mi upstream from station averages less than 4.0 ft³/s. U.S. Army Corps of Engineers satellite gage-height telemeter at station. Virginia Department of Emergency Services gage-height radio transmitter at station. Maximum discharge, 31,300 ft³/s, from rating curve extended above 18,100 ft³/s.
EXTREMES OUTSIDE PERIOD OF RECORD - Flood of June 21, 1972, reached a stage of 24.36 ft, from floodmarks, discharge, about 34,000 ft³/s, and flood of Dec. 27, 1973, reached a stage of 22.09 ft, from floodmarks, discharge, about 28,300 ft³/s.
EXTREMES FOR PERIOD OF RECORD - Instantaneous low flow, 41 ft³/s, Jan. 5, 1981, result of freezeup.
EXTREMES FOR PERIOD PRIOR TO REGULATION - 1975-79: Maximum peak flow, 23,200 ft³/s, Apr. 5, 1977, gage height, 19.85 ft. Instantaneous low flow, 80 ft³/s, Nov. 9, 1978.
