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Water-Year Summary for Site 02336986

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  • Water-Year Summary reports summarize a year of hydrologic data in a printer-friendly format.
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Available Parameters
00045 Precipitation(Sum)  
00045 Precipitation(Sum) [Operational]  
00060 Discharge(Mean)  
00065 Gage height(Max.,Min.,Mean)  

Water year 2023: 2022-10-01 to 2023-09-30
 
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USGS Water-Year Summary 2023
02336986 OLLEY CREEK @ CLAY RD, NEAR AUSTELL, GA
LOCATION - Lat 33°50'10.2", long 84°37'53.2" referenced to North American Datum of 1983, Cobb County, GA, Hydrologic Unit 03130002, on downstream side of bridge on Clay Road, 15.1 miles from confluence with Chattahoochee River, and 1.44 miles north of Austell.
DRAINAGE AREA - 13.5 mi².
SURFACE-WATER RECORDS
PERIOD OF RECORD -
DISCHARGE: March 2007 to current water year.
GAGE HEIGHT: March 2007 to current water year.
GAGE - Satellite telemetry with a water-stage recorder. Datum of gage is 878.57 feet above North American Vertical Datum (NAVD) of 1988 (leveling by Global Positioning System equipment).
COOPERATION - Cobb County Water System.
REMARKS - Gage-height records are generally fair. Discharge records are generally fair except for estimated discharges, which are poor. Additional details on the accuracy of the records can be obtained by contacting the USGS South Atlantic Water Science Center at gs-w-ga_nwisweb_data_inquiries@usgs.gov.
EXTREMES FOR PERIOD OF RECORD - Maximum discharge recorded, not determined due to backwater from Sweetwater Creek, September 21, 2009; Maximum gage-height recorded, 27.39 feet, backwater from Sweetwater Creek, September 22, 2009; minimum daily discharge, 0.11 cfs, estimated, August 31, 2011.
CLIMATOLOGICAL RECORDS
PERIOD OF RECORD - March 2007 to October 2017.
INSTRUMENTATION - Tipping-bucket raingage.