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- Water-Year Summary reports summarize a year of hydrologic data in a printer-friendly format.
- For water years 2014 onward, choose a water year and parameter and an on-demand Water-Year Summary report will be generated.
- For water years 2006 through 2013, choose a water year and an Annual Water Data Report will be provided.
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USGS Water-Year Summary 2024
01669520 DRAGON SWAMP AT MASCOT, VA
LOCATION - Lat 37°38'01", long 76°41'48" referenced to North American Datum of 1927, King and Queen County, VA, Hydrologic Unit 02080102, on right bank, 80 ft upstream from bridge on State Highway 603, 0.8 mi east of Mascot, 2.1 mi downstream from Church Swamp, and 3.3 mi west of Warner.
DRAINAGE AREA - 109 mi².
REVISIONS HISTORY - OFR 2006-1308: Drainage area.
SURFACE-WATER RECORDS
PERIOD OF RECORD - August 1981 to current year.
GAGE - Water-stage recorder. Datum of gage is 20.29 ± 0.1 ft above NAVD 88.
COOPERATION - Records were provided by the Virginia Department of Environmental Quality - Water Division.
REMARKS - Maximum discharge, 6,600 ft³/s, from rating curve extended above 2,150 ft³/s.
WATER-QUALITY RECORDS
PERIOD OF RECORD - October 2006 to September 2008, August 2011 to current year.
PERIOD OF DAILY RECORD - March 2007 to September 2008.
COOPERATION - Daily records were provided by the Virginia Department of Environmental Quality - Water Division.
INSTRUMENTATION - Specific conductance and water temperature monitor. Electronic data logger with 15-minute recording interval.
EXTREMES FOR PERIOD OF DAILY RECORD -
SPECIFIC CONDUCTANCE: Maximum, 162 microsiemens/cm, Sept. 11, 2007; minimum, 45 microsiemens/cm, May 12, 2008.
WATER TEMPERATURE: Maximum, 30.8°C, Aug. 8, 2007; minimum, -0.3°C, Jan. 3, 4, 21, 25, 26, 2008.
SPECIFIC CONDUCTANCE: Maximum, 162 microsiemens/cm, Sept. 11, 2007; minimum, 45 microsiemens/cm, May 12, 2008.
WATER TEMPERATURE: Maximum, 30.8°C, Aug. 8, 2007; minimum, -0.3°C, Jan. 3, 4, 21, 25, 26, 2008.
