USGS Water-Year Summary 2020
03490000 NORTH FORK HOLSTON RIVER NEAR GATE CITY, VA
LOCATION - Lat 36°36'31", long 82°34'05" referenced to North American Datum of 1927, Scott County, VA, Hydrologic Unit 06010101, on left bank 75 ft upstream from bridge on U.S. Highway 23, 1.6 miles downstream from Big Moccasin Creek, 2.1 miles southeast of Gate City, and at mile 8.8.
DRAINAGE AREA - 671 mi².
PERIOD OF RECORD - 1932 to 1981 (operated as a continuous-record gaging station), 1982 to 2005 (records provided by Tennessee Valley Authority, annual peaks only). April 2012 to current year.
GAGE - Water-stage recorder. Datum of gage is 1,197.56 ft NGVD of 1929.
EXTREMES OUTSIDE PERIOD OF RECORD - Maximum discharge, 54,000 ft³/s, 1862, gage height, 22.5 ft, (records provided by Tennesse Valley Authority).
EXTREMES FOR PERIOD OF RECORD - Maximum discharge, 41,000 ft³/s, Apr. 5, 1977, gage height, 19.79 ft.
PERIOD OF RECORD - April 2012 to current year.
PERIOD OF DAILY RECORD -
WATER TEMPERATURE: April 2012 to current year.
INSTRUMENTATION - Water temperature monitor with 15-minute recording interval.
EXTREMES FOR PERIOD OF DAILY RECORD -
WATER TEMPERATURE: Maximum, 31.2°C, July 8, 2012, minimum, -0.2°C, Feb. 19, 2015.