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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
01638420 NORTH FORK CATOCTIN CREEK AT ROUTE 681 NEAR WATERFORD, VA
LOCATION - Lat 39°12'18.0", long 77°37'26.0" referenced to North American Datum of 1983, Loudoun County, VA, Hydrologic Unit 02070008, on left bank 2 ft downstream from State Highway 681 and 2.2 mi northeast of Waterford.
DRAINAGE AREA - 23.1 mi².
SURFACE-WATER RECORDS
PERIOD OF RECORD - July 2001 to current year.
GAGE - Water-stage recorder. Datum of gage is 325.72 ft above NAVD of 1988.
