USGS Water-Year Summary 2020
02335910 ROTTENWOOD CREEK (INTERSTATE N PKWY) NR SMYRNA, GA.
LOCATION - Lat 33°53'37", long 84°27'28" referenced to North American Datum of 1927, Cobb County, GA, Hydrologic Unit 03130001, on downstream side of bridge of Chattahoochee nature trail, 2.35 miles north of Vinings, 1.18 miles from confluence of Chattahoochee River.
DRAINAGE AREA - 18.6 mi².
- WDR GA-09:2007,2008.
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 820.2 feet above North American Vertical Datum (NAVD) of 1988 (leveling by Global Navigation Satellite System equipment using GEOID12A).
COOPERATION - Cobb County Water Systems.
EXTREMES FOR PERIOD OF RECORD - Maximum discharge recorded, 4,500 cfs, September 21, 2009, from rating curve extended above 1000 cfs on basis of slope-area measurement of peak flow; maximum gage-height recorded, 13.31 feet, September 21, 2009; minimum daily mean discharge, 1.7 cfs, September 14, 24, and 26, 2012.
PERIOD OF RECORD - March 2007 to October 2017.
INSTRUMENTATION - Tipping-bucket raingage.