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Water-Year Summary for Site 03207800

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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 2020: 2019-10-01 to 2020-09-30
 

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USGS Water-Year Summary 2020
03207800 LEVISA FORK AT BIG ROCK, VA
LOCATION - Lat 37°21'13", long 82°11'45" referenced to North American Datum of 1927, Buchanan County, VA, Hydrologic Unit 05070202, on left bank at Big Rock, 2,000 ft downstream from Rocklick Creek, and 2,500 ft downstream from bridge on State Highway 645.
DRAINAGE AREA - 297 mi².
SURFACE-WATER RECORDS
PERIOD OF RECORD - October 1967 to current year.
GAGE - Water-stage recorder. Datum of gage is 865.636 ft NAVD of 1988.
REMARKS - U.S. Army Corps of Engineers satellite precipitation and gage-height telemeter at station. Maximum discharge, 56,000 ft³/s, from rating curve extended above 7,000 ft³/s on basis of slope-area measurement of peak flow. Water-quality records for some prior periods have been collected at this location.
EXTREMES OUTSIDE PERIOD OF RECORD - Flood of Jan. 29, 1957, reached a stage of about 23.0 ft, information from local resident.