USGS Water-Year Summary 2019
01671020 NORTH ANNA RIVER AT HART CORNER, NEAR DOSWELL, VA
LOCATION - Lat 37°51'00", long 77°25'41" referenced to North American Datum of 1927, Hanover County, VA, Hydrologic Unit 02080106, on right bank, between bridges on State Highway 30, 0.3 mi west of Hart Corner, 2.1 mi east of Doswell, and 5.4 mi upstream from confluence with South Anna River.
DRAINAGE AREA - 462 mi².
- OFR 2006-1308: Drainage area.
PERIOD OF RECORD - October 1979 to current year.
GAGE - Water-stage recorder. Datum of gage is 43 ft NGVD of 1929, from topographic map.
COOPERATION - Records were provided by the Virginia Department of Environmental Quality - Water Division.
EXTREMES OUTSIDE PERIOD OF RECORD - Flood in August 1969 reached a stage of 28.02 ft, from floodmark, discharge not determined.
PERIOD OF RECORD - January 2007 to current year.
PERIOD OF DAILY RECORD - March 2007 to September 2008.
INSTRUMENTATION - Specific conductance and water temperature monitor. Electronic data logger with 15-minute recording interval.
EXTREMES FOR PERIOD OF DAILY RECORD -
SPECIFIC CONDUCTANCE: Maximum, 1000 microseimens, Sept. 11, 2007; minimum, 13 microseimens, Oct. 14, 2007.
WATER TEMPERATURE: Maximum, 33.1°C, Oct. 7, 2007; minimum recorded 0.6°C, Jan. 5, 26, 2008.