USGS Water-Year Summary 2022
02335580 BIG CREEK AT GA 9, NEAR CUMMING, GA
LOCATION - Lat 34°09'21", long 84°13'07" referenced to North American Datum of 1927, Forsyth County, GA, Hydrologic Unit 03130001, on downstream side of culvert at GA 9, 5.7 miles southwest of Cumming, GA.
DRAINAGE AREA - 37.4 mi². revised.
- WDR GA-2013: Drainage area.
PERIOD OF RECORD -
DISCHARGE: March 2007 to current year.
GAGE HEIGHT: March 2007 to current year.
GAGE - Satellite telemetry with a water-stage recorder. Datum of gage is 1007.8 feet above North American Vertical Datum (NAVD) of 1988 (leveling by Global Navigation Satellite System equipment using GEOID12A).
COOPERATION - Forsyth County.
EXTREMES FOR PERIOD OF RECORD - Maximum discharge recorded, 4,800 cfs, September 21, 2009; maximum gage-height recorded, 10.43 feet, September 21, 2009; minimum daily discharge, 6.7 cfs, August 21 and 22, 2008.
PERIOD OF RECORD - March 2007 to current year.
INSTRUMENTATION - Tipping-bucket raingage.