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Water-Year Summary for Site 08025350

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Available Parameters
00054 Reservoir storage(Mean)  
62614 Elevation, lake/res, NGVD29(Mean)  

Water year 2024: 2024-10-01 to 2025-09-30
 

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USGS Water-Year Summary 2024
08025350 Toledo Bend Reservoir near Burkeville, TX
LOCATION - Lat 31°11'46", long 93°34'19" referenced to North American Datum of 1927, Sabine Parish, LA, Hydrologic Unit 12010004, prior to Sept. 20, 2007, in powerhouse at right end of Toledo Bend Dam on Sabine River, 15 mi northeast of Burkeville and at mile 156.5.
DRAINAGE AREA - 7,178 mi².
SURFACE-WATER RECORDS
PERIOD OF RECORD - Oct. 1966 to current year (reservoir contents). PERIOD OF RECORD, Water-Quality.-- CHEMICAL DATA: May 1968 to July 1976. BIOCHEMICAL DATA: May 1968 to July 1976. BIOLOGICAL DATA: Dec. 1975 to July 1976. PESTICIDE DATA: Dec. 1975 to July 1976.
GAGE - Water-stage recorder. Datum of gage is NGVD of 1929 (levels by Sabine River Authority). Prior to July 20, 1967, nonrecording gage at powerhouse 1.6 mi south of present site and at same datum. July 20, 1967, to June 30, 1973, recording gage at same site and datum. July 1, 1973, to Sept. 20, 2007, recording gage at powerhouse 1.6 mi south of present site and at same datum. Satellite telemeter at station.
COOPERATION - Capacity table furnished by the Sabine River Authority.
REMARKS - Some records listed in the "Period of Record" for surface water and water quality may not be available electronically. The reservoir is formed by a rolled earthfill dam. Closure of embankment completed and deliberate impoundment began Oct. 3, 1966. The reservoir is operated for hydro-electric power generation and water conservation. Releases during high inflow periods are controlled by eleven 40 x 28-foot tainter gates. An 8.33 x 12-foot gated conduit through the dam is used for low-flow releases. Two additional 20-inch-diameter conduits, that bypass the larger conduit, may also be used for low-flow releases. Water for turbines is admitted through four 16.75 x 29-foot penstocks and controlled by vertically operated caterpillar-type gates. The dam is owned by the Sabine River Authority. The capacity table is based on U.S. Geological Survey topographic maps. There are many diversions above station for oil field operations and municipal supply. Conservation pool storage is 4,472,900 acre-ft. Data regarding the dam are given in the following table:
                                                                              Elevation (feet)
Top of dam............................................................          185.0
Design flood..........................................................          175.3
Top of gates..........................................................          173.0
Top of power drawdown storage (top of conservation pool)..............          172.0
Top of power head storage.............................................          162.2
Crest of spillway (controlled)........................................          145.0
Lowest gated outlet (invert)..........................................          100.0
EXTREMES FOR PERIOD OF RECORD - Maximum contents, 4,927,000 acre-ft, March 10, 2016, elevation, 174.4 ft; minimum since initial filling of reservoir, 2,692,000 acre-ft, Sept. 27, 2011, elevation, 160.47 ft.