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Water-Year Summary for Site 02050000

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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
72137 Discharge,tide fltrd(Mean)  

Water year 2019: 2019-10-01 to 2020-09-30
 

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USGS Water-Year Summary 2019
02050000 BLACKWATER RIVER AT HIGHWAYS 58/258 AT FRANKLIN, VA
LOCATION - Lat 36°40'49", long 76°55'07" referenced to North American Datum of 1927, Franklin City, VA, Hydrologic Unit 03010202, on left bank 0.4 mi northeast of Franklin and 14.1 mi upstream from Nottoway River.
DRAINAGE AREA - 664 mi².
SURFACE-WATER RECORDS
PERIOD OF RECORD - July 2010 to current year.
GAGE - Water-stage recorder and index-velocity meter. Datum of gage is 0.00 ft NAVD of 1988.
REMARKS - Streamflow at this site is affected significantly by astronomical tides. Daily mean discharge was computed using the Godin low-pass filter to remove tidal effects from instantaneous values. By convention, U.S. Geological Survey has established ebb (seaward) flows as positive flows and flood (landward) flows as negative flows.