USGS Water-Year Summary 2023
03065400 BLACKWATER RIVER NEAR DAVIS, WV
LOCATION - Lat 39°08'24", long 79°25'12" referenced to North American Datum of 1927, Tucker County, WV, Hydrologic Unit 05020004, on right bank, 2.8 mi northeast of Davis, 0.5 mi upstream from Yellow Creek, and at mile 14.0.
DRAINAGE AREA - 54.7 mi².
REVISIONS HISTORY - WDR WV-97-1: Drainage area. WDR WV-04-1: 1993(M), 1994(P), 1995(M). WDR-US-2008: 1994.
SURFACE-WATER RECORDS
PERIOD OF RECORD - November 1991 to September 1998, June to September 2001, and October 2002 to current year.
GAGE - Water-stage recorder. Datum of gage is 3,128.5 ft NAVD of 1988.
WATER-QUALITY RECORDS
PERIOD OF DAILY RECORD -
DISSOLVED OXYGEN: October 1994 to July 1997, June to September 2001.
pH: October 1994 to July 1997, June to September 2001.
SPECIFIC CONDUCTANCE: October 1994 to July 1997, June to September 2001.
WATER TEMPERATURE: October 1994 to July 1997, June to September 2001.
EXTREMES FOR PERIOD OF DAILY RECORD -
DISSOLVED OXYGEN: Maximum recorded, 9.8 mg/L, Jan. 7, 1997; minimum recorded, 5.5 mg/L, Aug. 5, 1995.
pH: Maximum recorded, 7.9 units, Aug. 2, 3, 4, 1995; minimum recorded, 5.1 units, Sept. 6, 1996.
SPECIFIC CONDUCTANCE: Maximum recorded, 132 microsiemens, Oct. 29, 30, 1994; minimum recorded, 16 microsiemens, Sept. 6, 7, 1996.
WATER TEMPERATURE: Maximum recorded, 31.0°C, July 15, 1995; minimum recorded, -0.4°C, Jan. 7, 8, 1997.