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USGS Water-Year Summary 2024
08090300 Lake Palo Pinto near Santo, TX
LOCATION - Lat 32°38'51", long 98°16'08" referenced to North American Datum of 1927, Palo Pinto County, TX, Hydrologic Unit 12060201, at northwest corner of intake structure on Palo Pinto Creek and 4.4 mi northwest of Santo.
DRAINAGE AREA - 461 mi².
REVISIONS HISTORY - WDR TX-76-2: Drainage area.
SURFACE-WATER RECORDS
PERIOD OF RECORD - Apr. 1964 to Sept. 1982, Feb. 1999 to Sept. 2002 (contents), Oct. 2002 to current year.
PERIOD OF RECORD, Water-Quality.--
CHEMICAL DATA: Jan. 1970 to June 1982.
BIOCHEMICAL DATA: Jan. 1970 to June 1973.
RADIOCHEMICAL DATA: May 1981.
GAGE - Water-stage recorder. Datum of gage is 0 ft above NGVD of 1929 and 0.42 ft below NAVD of 1988. To obtain elevation values in NAVD 1988, add 0.42 ft. Satellite telemeter at station.
REMARKS - Some records listed in the "Period of Record" for surface water and water quality may not be available electronically. The lake is formed by a rock-faced earthfill dam 1,300 ft long with a 550 ft uncontrolled ogee-crested emergency spillway at right end of dam. The dam was completed and storage began in Apr. 1964. During the summer of 1965, the dam was raised 2 ft and the spillway crest was raised 4 ft and lengthened from 500 to 550 ft. The lake is the property of Palo Pinto County Municipal Water District No. 1 and was built to impound water for municipal use, principally for the City of Mineral Wells. Water is released to the downstream channel through a 30 inch gated concrete pipe. It then flows 15 mi downstream to a diversion lake where it is then pumped to the City of Mineral Wells. In addition, water is circulated through a steam generating power plant owned by the Brazos River Electric Power Cooperative, Inc. Data regarding the dam are given in the following table:
Elevation (feet) Top of dam............................................................ 898.0 Top of design flood pool.............................................. 893.0 Crest of spillway..................................................... 867.0 Lowest gated outlet (invert).......................................... 835.0
EXTREMES FOR PERIOD OF RECORD - Maximum contents, 56,060 acre-ft, Oct. 31, 1974, elevation, 871.15 ft; minimum contents, 6,730 acre-ft, Oct. 28, 2000, elevation, 853.89 ft; maximum elevation, 872.16 ft, June 1, 2016; minimum elevation, 849.67 ft, Sept. 30, 2014.
