Click
to
hide
Water-Year
Summary
instructions
and
information
- 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.
- For water years 2005 and earlier, Annual Water Data Reports may be available in digital format.
- Not all sites have reports available for every water year.
USGS Water-Year Summary 2024
02053800 SOUTH FORK ROANOKE RIVER NEAR SHAWSVILLE, VA
LOCATION - Lat 37°08'24", long 80°16'00" referenced to North American Datum of 1927, Montgomery County, VA, Hydrologic Unit 03010101, on right bank 95 ft downstream from bridge on State Highway 637, 0.3 mi downstream from Georges Run, 1.3 mi downstream from Elliott Creek, and 2.0 mi southwest of Shawsville.
DRAINAGE AREA - 109 mi².
REVISIONS HISTORY - OFR 2006-1308: Drainage area.
SURFACE-WATER RECORDS
PERIOD OF RECORD - October 1960 to current year.
GAGE - Water-stage recorder. Datum of gage is 1364.19±0.01 ft above NAVD 88. Prior to Aug. 26, 1974, water-stage recorder, and Aug. 26, 1974 to July 24, 1975, nonrecording gage at site 95 ft upstream at present datum.
COOPERATION - Records were provided by the Virginia Department of Environmental Quality - Water Division.
REMARKS - Virginia Department of Emergency Services gage-height radio transmitter at station. Maximum discharge, 14,200 ft³/s, from rating curve extended above 3,700 ft³/s on basis of slope-area measurement of peak flow.
EXTREMES OUTSIDE PERIOD OF RECORD - Flood of Sept. 30, 1959, reached a stage of 9.89 ft, from information by local resident.
WATER-QUALITY RECORDS
PERIOD OF RECORD - December 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, 557 microsiemens/cm, Sept. 14, 2007; minimum, 101 microsiemens/cm, Apr. 28, 2008.
WATER TEMPERATURE: Maximum, 26.5°C, Aug. 9, 2007; minimum, 0.5°C, Jan. 21, 22, 2008.
SPECIFIC CONDUCTANCE: Maximum, 557 microsiemens/cm, Sept. 14, 2007; minimum, 101 microsiemens/cm, Apr. 28, 2008.
WATER TEMPERATURE: Maximum, 26.5°C, Aug. 9, 2007; minimum, 0.5°C, Jan. 21, 22, 2008.
