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Water-Year Summary for Site 02315920

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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.
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Available Parameters
00045 Precipitation(Sum)  
00045 Precipitation(Sum) [Operational]  
00060 Discharge(Mean)  
00065 Gage height(Max.,Min.,Mean)  
72192 Precipitation, cumul(Sum)  

Water year 2023: 2022-10-01 to 2023-09-30
 
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USGS Water-Year Summary 2023
02315920 ALAPAHA RIVER AT GA 32, NEAR IRWINVILLE, GA
LOCATION - Lat 31°37'51.9", long 83°25'04.2" referenced to North American Datum of 1983, Irwin County, GA, Hydrologic Unit 03110202,
DRAINAGE AREA - 430 mi². revised.
REVISIONS HISTORY - WDR GA-2013: Drainage area. Gage datum was revised on November 24, 2021, based on a more accurate determination of the gage datum. The gage datum is 262.048 feet above NAVD of 1988.
SURFACE-WATER RECORDS
PERIOD OF RECORD -
DISCHARGE: October 2009 to current year.
GAGE-HEIGHT: October 2009 to current year.
GAGE - Satellite telemetry with a water-stage recorder. Datum of gage is 262.1 feet above the North American Vertical Datum (NAVD) of 1988 (leveling by Global Positioning System equipment).
COOPERATION - Georgia Department of Natural Resources, Environmental Protection Division.
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, 15,000 cfs, March 07, 2020; maximum gage-height recorded, 13.32 feet, March 07, 2020; minimum daily discharge, no flow on numerous days.