USGS Water-Year Summary for Site 02334400

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	Available Parameters
	00045 Precipitation(Sum)
	00062 Elevation, reservoir(Max.,Min.,Mean)
	72036 Reservoir storage(Mean)

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

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USGS Water-Year Summary 2023

02334400 LAKE SIDNEY LANIER NEAR BUFORD, GA

LOCATION - Lat 34°09'45.8", long 84°04'31.9" referenced to North American Datum of 1983, Forsyth County, GA, Hydrologic Unit 03130001, at forebay of dam on Chattahoochee River, 2.5 miles upstream from bridge on GA 20, 4.5 miles northwest of Buford, and at mile 348.3.

DRAINAGE AREA - 1,034 mi².

SURFACE-WATER RECORDS

PERIOD OF RECORD - June 2007 to current year. Elevation records collected at same site since February 1957 to June 2007 in files of the U.S. Army Corps of Engineers.

GAGE - Satellite telemetry with a water-stage recorder. Datum of gage is 0.00 feet above North American Vertical Datum (NAVD) of 1988 (levels by U.S. Army Corps of Engineers).

COOPERATION - U.S. Army Corps of Engineers, Mobile District.

REMARKS - Water-surface elevation records are generally good. 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.

Lake is formed by a rolled-fill earth dam. Storage began in January 1956; dam completed in June 1957. Usable capacity, 1,686,000 acre-feet between elevations 1035 feet and 1085 feet. Dead storage 868,000 acre-feet. Capacity table furnished by U.S. Army Corps of Engineers.

EXTREMES OUTSIDE PERIOD OF RECORD - Maximum contents, 2,205,200 acre-feet, April 14, 1964; maximum elevation, 1,077.20 feet, April 14, 1964; minimum contents, after beginning operation, 1,329,300 acre-feet, December 23, 24 1981; minimum elevation, 1,052.66 feet, December 23, 24 1981.

EXTREMES FOR PERIOD OF RECORD - Maximum contents, 2,161,000 acre-feet, February 24, 2019; maximum elevation recorded, 1076.13 feet, February 24, 2019; minimum contents, 1,272,000 acre-feet, December 28, 2007; minimum elevation recorded, 1050.72 feet, December 28, 2007.

CLIMATOLOGICAL RECORDS

PERIOD OF RECORD - June 2007 to current year.

INSTRUMENTATION - Tipping-bucket raingage.