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Water-Year Summary for Site 02335870

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  • Water-Year Summary reports summarize a year of hydrologic data in a printer-friendly format.
  • For water years 2014 onward, choose a water year and parameter and an on-demand Water-Year Summary report will be generated.
  • For water years 2006 through 2013, choose a water year and an Annual Water Data Report will be provided.
  • For water years 2005 and earlier, Annual Water Data Reports may be available in digital format.
  • Not all sites have reports available for every water year.
Available Parameters
00010 Temperature, water(Max.,Min.,Mean)  
00045 Precipitation(Sum)  
00045 Precipitation(Sum) [Operational]  
00060 Discharge(Mean)  
00065 Gage height(Mean)  

Water year 2022: 2022-10-01 to 2023-09-30

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USGS Water-Year Summary 2022
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.
REVISIONS HISTORY - WDR GA-89-1: 1985(P), 1986(M), 1987 (P, daily discharge, and monthly runoff), 1988(P). WDR-US-2011: Drainage Area.
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.
For period 10/01/2013-08/20/2018: Discharge record fair, except for days of estimated discharge, which are poor. Gage height record good.
For period 08/21/2018-01/29/2021: Discharge record fair. Gage height record fair.
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.
WATER TEMPERATURE: March 2012 to current year.
INSTRUMENTATION - Satellite telemetry with a continuous water temperature thermistor.
For period 10/01/2013-09/30/2014: Water temperature record good.
For period 10/01/2014-09/30/2015: Water temperature record poor.
For period 10/01/2015-09/30/2016: Water temperature record poor.
For period 10/01/2016-02/15/2018: Water temperature record good.
EXTREMES FOR PERIOD OF DAILY RECORD - WATER TEMPERATURE: Maximum recorded, 29.2°C, August 13, 2019; minimum recorded, -0.1°C, January 25 and 30, 2014.