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USGS Water-Year Summary 2024
08072000 Lake Houston near Sheldon, TX
LOCATION - Lat 29°54'58", long 95°08'28" referenced to North American Datum of 1927, Harris County, TX, Hydrologic Unit 12040101, at intake structure on San Jacinto River near right bank 100 ft upstream from Lake Houston Dam, 4.0 mi north of Sheldon, 4.6 mi upstream from bridge on U.S. Highway 90, and 18 mi northeast of Houston.
DRAINAGE AREA - 2,828 mi².
REVISIONS HISTORY - WSP 1732: Drainage area.
SURFACE-WATER RECORDS
PERIOD OF RECORD - Apr. 1954 to current year.
PERIOD OF RECORD, Water-Quality.--
CHEMICAL DATA: July 1961 to Apr. 1964, Dec. 1969 to Sept. 2004.
BIOCHEMICAL DATA: Aug. 1983 to Sept. 2004.
PESTICIDE DATA: May 1968 to Aug. 1972, Aug. 1983 to Sept. 2004.
SEDIMENT DATA: Feb. 2000 to Sept. 2004.
GAGE - Water-stage recorder. Datum of gage at dam is NAVD 1988, 2001 adjustment. Prior to Oct. 1, 2009, datum of gage at dam was 0.70 ft below NGVD of 1929; unadjusted for land-surface subsidence (2.77 ft below current datum). Satellite telemeter at station.
COOPERATION - The capacity table is based on a bathymetric survey made in 1994 by Texas Water Development Board. Records of diversions may be obtained from the San Jacinto River Authority and the city of Houston.
REMARKS - The lake is formed by two earthfill embankment sections and a 3,160-foot long concrete spillway midway between the embankment sections. The dam was completed and storage began Apr. 9, 1954. The spillway includes two tainter gates, 18.0 x 20.5 ft, that can be used for control of releases below gage heights of 41.7 ft and above 25.2 ft. In addition, there is a 36-inch-diameter sluice gate that is used for low-flow releases. The dam is owned by the city of Houston. Water is used for irrigation, municipal, and industrial supply in the Houston metropolitan area. Data regarding the dam are given in the following table:
Some records listed in the "Period of Record" for surface water and water quality may not be available electronically. Water-quality data for this site published as:Gage height (feet) Top of dam............................................................ 60.2 Design flood.......................................................... 54.2 Crest of spillway..................................................... 42.4 Crest of tainter gates (sill)......................................... 25.2 Lowest gated outlet (invert).......................................... 19.2
Site ID Site name 295516095080801 Lk Houston Site AC nr Sheldon, TX 295702095091401 Lk Houston Site BC nr Sheldon, TX 295902095074201 Lk Houston Site CC nr Sheldon, TX 300016095073401 Lk Houston Site DC nr Sheldon, TX 300158095074601 Lk Houston Site EC nr Sheldon, TX 300209095091201 Lk Houston Site FC nr Sheldon, TX
EXTREMES FOR PERIOD OF RECORD - Maximum contents, 296,500 acre-ft, Aug. 29, 2017, gage height, 53.12 ft; minimum since first filling of lake in Aug. 1954, 53,380 acre-ft, Dec. 1, 1971, gage height, 34.08 ft. (datum then in use)
WATER-QUALITY RECORDS
PERIOD OF RECORD -
CHEMICAL DATA: July 1961 to Apr. 1964, Dec. 1969 to Sept. 2004.
BIOCHEMICAL DATA: Aug. 1983 to Sept. 2004.
PESTICIDE DATA: May 1968 to Aug. 1972, Aug. 1983 to Sept. 2004.
SEDIMENT DATA: Feb. 2000 to Sept. 2004.
