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Water-Year Summary for Site 01669000

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  • Water-Year Summary reports summarize a year of hydrologic data in a printer-friendly format.
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Available Parameters
00060 Discharge(Mean)  

Water year 2023: 2022-10-01 to 2023-09-30
 
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USGS Water-Year Summary 2023
01669000 PISCATAWAY CREEK NEAR TAPPAHANNOCK, VA
LOCATION - Lat 37°52'37", long 76°54'03" referenced to North American Datum of 1927, Essex County, VA, Hydrologic Unit 02080104, on right bank at upstream side of bridge on State Highway 691, 0.6 mi south of Hensley Fork, 2.3 mi downstream from Sturgeon Swamp, and 4.2 mi southwest of Tappahannock.
DRAINAGE AREA - 27.9 mi².
REVISIONS HISTORY - WDR VA-79-1: 1970-76(P), 1978(P). OFR 2006-1308: Drainage area.
SURFACE-WATER RECORDS
PERIOD OF RECORD - July 1951 to current year.
GAGE - Water-stage recorder. Datum of gage is -0.625 ± 0.1 ft above NAVD 88.
COOPERATION - Records were provided by the Virginia Department of Environmental Quality - Water Division.
REMARKS - Maximum discharge, 2,380 ft³/s, from rating curve extended above 1,400 ft³/s.
WATER-QUALITY RECORDS
PERIOD OF RECORD - October 2006 to September 2008.
PERIOD OF DAILY RECORD - February 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, 152 microsiemens/cm, Aug. 21, 2007; minimum, 43 microsiemens/cm, May 20, June 2, 2008.
WATER TEMPERATURE: Maximum, 29.3°C, Aug. 8, 9, 2007; minimum, 0.0°C, Jan. 4, 21, 22, 2008.