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Water-Year Summary for Site 02389150

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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
00010 Temperature, water(Mean,Max.,Min.)  
00045 Precipitation(Sum)  
00060 Discharge(Mean)  
00065 Gage height(Mean)  
00095 Specific cond at 25C(Max.,Min.,Mean)  
63680 Turbidity, Form Neph(Min.,Max.,Med.)  

Water year 2024: 2024-10-01 to 2025-09-30
 
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USGS Water-Year Summary 2024
02389150 ETOWAH RIVER AT GA 9, NEAR DAWSONVILLE, GA
LOCATION - Lat 34°21'27.3", long 84°06'48.9" referenced to North American Datum of 1983, Dawson County, GA, Hydrologic Unit 03150104, at bridge at GA 9, 6.5 miles upstream of confluence with Amicalola Creek
DRAINAGE AREA - 131 mi².
SURFACE-WATER RECORDS
PERIOD OF RECORD -
DISCHARGE: June 2002 to current year.
GAGE HEIGHT: June 2002 to current year.
GAGE - Satellite telemetry with a water-stage recorder. Datum of gage is 1,021.34 feet above North American Vertical Datum (NAVD) of 1988 (from GNSS survey).
COOPERATION - Etowah Water and Sewer Authority.
REMARKS - Gage-height records are generally good. 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, 4,920 cfs, May 19, 2013; maximum gage height recorded, 15.90 feet, May 19, 2013; minimum daily discharge, 22 cfs, August 23 and 24, 2008.
CLIMATOLOGICAL RECORDS
PERIOD OF RECORD - July 2002 to current year.
INSTRUMENTATION - Tipping-bucket raingage.
WATER-QUALITY RECORDS
EXTREMES FOR PERIOD OF RECORD -

WATER TEMPERATURE: Maximum recorded, 26.3 degrees Celsius, August 25, 2023; minimum recorded, 0.0 degrees Celsius, December 25, 2022.

SPECIFIC CONDUCTANCE: Maximum recorded, 75 microsiemens, July 7, 2019; minimum recorded, 2 microsiemens, April 19, 2019.

TURBIDITY: Maximum recorded, 954 FNU, July 8, 2022; minimum recorded, 1.2 FNU, October 24, 2018.