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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.
USGS Water-Year Summary 2024
01660000 SOUTH BRANCH CHOPAWAMSIC CREEK NEAR GARRISONVILLE, VA
LOCATION - Lat 38°32'22", long 77°25'30" referenced to North American Datum of 1927, Stafford County, VA, Hydrologic Unit 02070011, on left bank, 10 ft downstream of Highway MCB-1, 1.8 mi upstream from Chopawamsic Creek, and 4.3 mi north of Garrisonville.
DRAINAGE AREA - 2.46 mi².
REVISIONS HISTORY - OFR 2006-1308: Drainage area.
SURFACE-WATER RECORDS
PERIOD OF RECORD - May 1951 to June 1957, September 1989 to September 1992 (annual maximum only), March 2000 to December 2003, January 2007 to October 2011.
GAGE - Water-stage recorder. Datum of gage is 207.01 ft NGVD of 1929. May 1951 to September 1992, at site 200 feet downstream at different datum.
REMARKS - Records good. At times, flows are augmented by releases from Lunga Reservoir.
