USGS Water-Year Summary 2019
02335870 SOPE CREEK NEAR MARIETTA, GA
LOCATION - Lat 33°57'14", long 84°26'36" referenced to North American Datum of 1983, Cobb County, GA, Hydrologic Unit 03130001, on downstream side of bridge on Lower Roswell Road (South Roswell Road), 0.3 miles downstream from Bishop Creek, 6.1 miles east of Marietta, and 2.6 miles upstream from mouth.
DRAINAGE AREA - 30.7 mi². revised.
- WDR GA-89-1: 1985(P), 1986(M), 1987 (P, daily discharge, and monthly runoff), 1988(P). WDR-US-2011: Drainage Area.
PERIOD OF RECORD -
DISCHARGE: October 1984 to current year. Occasional low-flow measurements, water years 1944, 1951, 1953-55, 1957, 1961.
GAGE HEIGHT: October 1998 to current year.
GAGE - Satellite telemetry with a water-stage recorder. Datum of gage is 881.4 feet above North American Vertical Datum (NAVD) of 1988 (levels by Georgia Department of Transportation).
COOPERATION - USGS National Water-Quality Assessment (NAWQA) Program; Atlanta Regional Commission.
EXTREMES FOR PERIOD OF RECORD - Maximum discharge recorded, 9,500 cfs, September 21, 2009; maximum gage-height recorded, 18.35 feet, September 21, 2009; minimum daily discharge, 0.79 cfs, July 20, 1988.
PERIOD OF RECORD - January 2001 to current year.
INSTRUMENTATION - Tipping-bucket raingage.
PERIOD OF DAILY RECORD -
WATER TEMPERATURE: March 2012 to current year.
INSTRUMENTATION - Satellite telemetry with a continuous water temperature thermistor.
EXTREMES FOR PERIOD OF DAILY RECORD - WATER TEMPERATURE: Maximum recorded, 29.1°C, July 18, 2018; minimum recorded, -0.1°C, January 25 and 30, 2014.