USGS Water-Year Summary 2018
02207448 BIG HAYNES CREEK AT BALD ROCK ROAD, NEAR MILSTEAD, GA
LOCATION - Lat 33°39'41", long 83°55'40" referenced to North American Datum of 1983, Newton County, GA, Hydrologic Unit 03070103, on downstream left bank at Bald Rock Road, 0.75 miles upstream of Yellow River confluence, 0.5 miles south of Gees Mill Road, and 4.0 miles east of Milstead.
DRAINAGE AREA - 82 mi², revised.
PERIOD OF RECORD -
DISCHARGE: June 2002 to current year.
GAGE-HEIGHT: June 2002 to current year.
REVISED RECORDS - WDR GA-2013: Drainage area.
GAGE - Satellite telemetry with water-stage recorder. Datum of gage is 620 feet above National Geodetic Vertical Datum (NGVD) of 1929 (from topographic map).
COOPERATION - Rockdale County Department of Water Resources.
EXTREMES FOR PERIOD OF RECORD - Maximum gage-height recorded, 22.46 feet, September 22, 2009; minimum daily discharge, 0.35 cfs, estimated, November 11-12, 2011.
PERIOD OF RECORD - June 2002 to current year.
INSTRUMENTATION - Tipping-bucket raingage.