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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.
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USGS Water-Year Summary 2024
03531500 POWELL RIVER NEAR JONESVILLE, VA
LOCATION - Lat 36°39'43", long 83°05'42" referenced to North American Datum of 1927, Lee County, VA, Hydrologic Unit 06010206, on right bank 175 ft downstream from highway bridge, 2 mi southeast of Jonesville, 10 mi upstream from Wallen Creek, and at mile 143.1.
DRAINAGE AREA - 319 mi².
REVISIONS HISTORY - WSP 823: Drainage area. WSP 1033: 1932-44. WSP 1436: 1946(M), 1948(M).
SURFACE-WATER RECORDS
PERIOD OF RECORD - October 1931 to current year. Monthly discharge only for some periods, published in WSP 1306.
GAGE - Water-stage recorder. Datum of gage is 1,258.8 ft NAVD of 1988.
REMARKS - Maximum discharge, 57,000 ft³/s, from rating curve extended above 20,000 ft³/s on basis of slope-area measurement of peak flow.
WATER-QUALITY RECORDS
PERIOD OF RECORD - January 2007 to June 2009.
PERIOD OF DAILY RECORD - March 2007 to June 2009.
INSTRUMENTATION - Specific conductance and water temperature monitor. Electronic data logger with 15-minute recording interval.
EXTREMES FOR PERIOD OF DAILY RECORD -
SPECIFIC CONDUCTANCE: Maximum, 869 microsiemens/cm, July 31, 2008; minimum, 177 microsiemens/cm, Jan. 7, 2009.
WATER TEMPERATURE: Maximum, 27.2°C, Aug. 10, 2007; minimum, 0.3°C, Jan. 17, 2009.
SPECIFIC CONDUCTANCE: Maximum, 869 microsiemens/cm, July 31, 2008; minimum, 177 microsiemens/cm, Jan. 7, 2009.
WATER TEMPERATURE: Maximum, 27.2°C, Aug. 10, 2007; minimum, 0.3°C, Jan. 17, 2009.
