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Water-Year Summary for Site 08036700

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Available Parameters
00054 Reservoir storage(Max.,Min.,Obs.,Mean)  
62614 Elevation, lake/res, NGVD29(Max.,Min.,Mean,Obs.)  

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

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USGS Water-Year Summary 2024
08036700 Lake Nacogdoches near Nacogdoches, TX
LOCATION - Lat 31°35'19", long 94°49'31" referenced to North American Datum of 1927, Nacogdoches County, TX, Hydrologic Unit 12020004, at upstream side of dam on Bayou Loco near service outlet tower and 10 mi west of Nacogdoches.
DRAINAGE AREA - 87.9 mi².
SURFACE-WATER RECORDS
PERIOD OF RECORD - Mar. 1977 to current year.
GAGE - Water-stage recorder. Datum of gage is NGVD of 1929. Satellite telemeter at station.
COOPERATION - The capacity table, furnished by the Texas Water Development Board, dated June 16, 1994, is from a Mar. 1994 survey.
REMARKS - The lake is formed by a rolled earthfill dam. Deliberate impoundment began July 14, 1976. The dam is owned by the city of Nacogdoches. The water is used for industrial and municipal supply by the city of Nacogdoches. The spillway is an uncontrolled 500-foot-wide cut through natural ground located near the right end of dam. There is an uncontrolled drop inlet with a 20.5-foot-diameter top opening that is connected to an 8 x 7-foot conduit that extends through the dam. A separate multi-gated inlet tower is connected to a valve by a 30-inch conduit through the dam. The valve box directs water to a purification plant. Some records listed in the "Period of Record" for surface water and water quality may not be available electronically. Data regarding the dam are given in the following table:
                                                                Elevation (feet)
Top of dam............................................................          303.0
Top of design flood...................................................          298.5
Crest of spillway.....................................................          286.0
Crest of drop inlet...................................................          279.0
Lowest gated outlet (invert of 30 in. conduit)........................          238.2
EXTREMES FOR PERIOD OF RECORD - Maximum contents, 58,730 acre-ft, Jan. 30, 1999, elevation, 286.67 ft; minimum contents after initial filling, 18,160 acre-ft, Dec. 15-16, 2011, elevation, 266.59 ft.