USGS Water-Year Summary 2020
02207220 YELLOW RIVER AT PLEASANT HILL ROAD, NEAR LITHONIA, GA
LOCATION - Lat 33°44'01", long 84°03'43" referenced to North American Datum of 1927, Dekalb County, GA, Hydrologic Unit 03070103, on right upstream side of bridge on Pleasant Hill Road, 0.30 miles upstream of Johnson Creek confluence, 1.6 miles east of GA 124, 0.75 miles west of Dekalb/Rockdale County line.
DRAINAGE AREA - 213 mi².
PERIOD OF RECORD -
DISCHARGE: November 2002 to current year.
GAGE HEIGHT: November 2002 to current year.
GAGE - Satellite telemetry with water-stage recorder. Datum of gage is 700.9 feet above North American Vertical Datum (NAVD) of 1988 (leveling by Global Positioning System equipment).
COOPERATION - Rockdale County Department of Water Resources.
EXTREMES FOR PERIOD OF RECORD - Maximum discharge recorded, 22,900 cfs, September 22, 2009; maximum gage-height recorded, 25.54 feet, September 22, 2009; minimum daily discharge, 19 cfs, July 3, 2012.
PERIOD OF RECORD - November 2002 to current year.
INSTRUMENTATION - Tipping-bucket raingage.