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USGS Water-Year Summary 2024
01656000 CEDAR RUN NEAR CATLETT, VA
LOCATION - Lat 38°38'12", long 77°37'31" referenced to North American Datum of 1927, Fauquier County, VA, Hydrologic Unit 02070010, on right bank 100 ft downstream from bridge on State Highway 806, 0.9 mi downstream from Licking Run, and 1.4 mi southeast of Catlett.
DRAINAGE AREA - 93.4 mi².
REVISIONS HISTORY - WSP 2103: Drainage area. WDR VA-79-1: 1973-77(P). WDR VA-95-1: 1972-94 (M).
SURFACE-WATER RECORDS
PERIOD OF RECORD - July 1950 to December 1986, January 1986 to September 1989 (annual maximum only), October 1989 to current year.
GAGE - Water-stage recorder. Datum of gage is 198.50 (±0.1)ft above NAVD 88. July 1950 to December 1986, water-stage recorder at present site and datum.
COOPERATION - Records were provided by the Virginia Department of Environmental Quality - Water Division.
REMARKS - Some diurnal fluctuation at low flow from unknown cause. Maximum discharge, 32,500 ft³/s, from rating curve extended above 7,000 ft³/s, on basis of contracted-opening measurement of peak flow.
EXTREMES OUTSIDE PERIOD OF RECORD - Flood of Oct. 15, 1942, reached a stage of about 22 ft, discharge not determined, from information by local residents.
WATER-QUALITY RECORDS
PERIOD OF RECORD - October 2006 to September 2008.
PERIOD OF DAILY RECORD - October 2006 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, 507 microsiemens/cm, Jan. 26, 2008; minimum, 90 microsiemens/cm, May 12, 2008.
WATER TEMPERATURE: Maximum, 30.5°C, Aug. 8, 2007; minimum, -1.2°C, Jan. 14-17, 19, 2007.
SPECIFIC CONDUCTANCE: Maximum, 507 microsiemens/cm, Jan. 26, 2008; minimum, 90 microsiemens/cm, May 12, 2008.
WATER TEMPERATURE: Maximum, 30.5°C, Aug. 8, 2007; minimum, -1.2°C, Jan. 14-17, 19, 2007.
