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USGS Water-Year Summary 2024
02316000 ALAPAHA RIVER NEAR ALAPAHA, GA
LOCATION - Lat 31°23'07", long 83°11'36.6" referenced to North American Datum of 1983, Berrien County, GA, Hydrologic Unit 03110202, near right bank on downstream side of bridge on GA 50, 2.0 miles east of Alapaha, and 6.0 miles upstream from the confluence with the Willacoochee River.
DRAINAGE AREA - 663 mi².
REVISIONS HISTORY -
WSP 872: 1937. WSP 1002: 1939(M). WSP 1624: Drainage area.
WSP 872: 1937. WSP 1002: 1939(M). WSP 1624: Drainage area.
Gage datum revised on September 1, 2021, based on a more accurate determination of the gage datum.
The mean gage-heights associated with discharge measurements #595-621 were revised on December 14, 2021, based on changes to the gage datum.
SURFACE-WATER RECORDS
PERIOD OF RECORD -
DISCHARGE: October 1936 to September 1976, September 2002 to current year. Monthly discharge only for some periods, published in WSP 1304.
GAGE-HEIGHT: September 2002 to current year.
DISCHARGE: October 1936 to September 1976, September 2002 to current year. Monthly discharge only for some periods, published in WSP 1304.
GAGE-HEIGHT: September 2002 to current year.
GAGE - Satellite telemetry with a water-stage recorder. Datum of gage is 207.81 feet above the North American Vertical Datum (NAVD) of 1988 (leveling by Global Navigation Satellite System equipment). Prior to September 8, 1943, a non-recording gage was installed, and from September 8, 1943 to September 30, 1975, a recording gage was installed at the same site at a datum that was 1.00 foot higher.
COOPERATION - Suwannee River Water Management District.
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 OUTSIDE PERIOD OF RECORD - Maximum stage known since at least 1900, 19.0 feet at present datum, in April 1928, from information by Georgia Department of Transportation; discharge, 16,000 cfs.
EXTREMES FOR PERIOD OF RECORD - Maximum discharge recorded, 15,700 cfs, April 4, 2009; maximum gage height recorded 18.63 feet, April 4, 2009; minimum daily discharge, no flow, July 23, 24, September 1 to November 28, 1954, August 9-23, 1962, June 26, July 8-9, 12-15, 21-25, 2011 and October 23-25, 2014.
CLIMATOLOGICAL RECORDS
PERIOD OF RECORD - October 2002 to current year.
INSTRUMENTATION - Tipping-bucket raingage.
