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Water-Year Summary for Site 03170000

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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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Available Parameters
00060 Discharge(Mean)  

Water year 2019: 2018-10-01 to 2019-09-30

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USGS Water-Year Summary 2019
LOCATION - Lat 37°02'15", long 80°33'25" referenced to North American Datum of 1927, Pulaski County, VA, Hydrologic Unit 05050001, on left bank at upstream side of bridge on State Highway 693 at Snowville, 0.5 mi southeast of Graysontown, 7 mi south of Radford, and at mile 8.6.
DRAINAGE AREA - 309 mi².
REVISIONS HISTORY - WSP 823: 1929-36. WSP 1143: 1945. WSP 1305: 1929(M). WSP 1625: 1951(M). WSP 1725: 1936(M). OFR 2006-1308: Drainage area.
PERIOD OF RECORD - October 1928 to current year. Published as "at Graysonton" prior to October 1990.
GAGE - Water-stage recorder. Datum of gage is 1,815.62 ft NAVD of 1988. Prior to Nov. 20, 1931, nonrecording gage at bridge 1.0 mi downstream, at datum of 1,798.05 ft NGVD of 1929. Nov. 20, 1931, to Nov. 12, 1941, water-stage recorder 1.2 mi downstream, at datum of 1,795.46 ft NGVD of 1929.
REMARKS - U.S. Army Corps of Engineers satellite gage-height telemeter at station. Maximum discharge, 23,100 ft³/s, from rating curve extended above 16,000 ft³/s on basis of slope-area measurements at gage heights 12.76 ft and 13.40 ft. Water-quality records for some prior periods have been collected at this location.