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Water-Year Summary for Site 01670400

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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.
  • 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.
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 38°00'46", long 77°42'05" referenced to North American Datum of 1927, Louisa County, VA, Hydrologic Unit 02080106, on left downstream side of bridge on State Highway 601, 3.8 mi southwest of Partlow, 1.1 mi upstream from Northeast Creek, and 0.5 mi downstream from Lake Anna dam.
DRAINAGE AREA - 342 mi².
REVISIONS HISTORY - OFR 2006-1308: Drainage area.
PERIOD OF RECORD - October 1978 to September 1995. March 2007 to current year.
GAGE - Water-stage recorder. Datum of gage is 167.45 ft NAVD of 1988.
REMARKS - Flow regulated by Lake Anna, capacity, 373,000 acre-ft, 0.5 mi upstream. Maximum discharge, 11,700 ft³/s, from rating curve extended above 7,200 ft³/s. Water-quality records for some prior periods have been collected at this location by the Virginia Department of Water Quality - Water Division.
EXTREMES OUTSIDE PERIOD OF RECORD - Flood of June 22, 1972 reached a stage of 36.32 ft, from floodmark.