USGS Water-Year Summary for Site 08061550

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	Available Parameters
	62614 Elevation, lake/res, NGVD29(Max.,Min.,Mean)

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

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USGS Water-Year Summary 2023

08061550 Lake Ray Hubbard near Forney, TX

LOCATION - Lat 32°48'00", long 96°29'45" referenced to North American Datum of 1927, Kaufman County, TX, Hydrologic Unit 12030106, at right end of spillway on Forney Dam on East Fork Trinity River, 0.5 mi upstream from Duck Creek, 1.8 mi upstream from bridge on U.S. Highway 80, 3.8 mi northwest of Forney, 24.0 mi downstream from Lavon Dam, and 31.8 mi upstream from mouth.

DRAINAGE AREA - 1,071 mi².

SURFACE-WATER RECORDS

PERIOD OF RECORD - Jan. 1968 to Dec. 1993, Oct. 1996 to Sept. 2010 (contents), Oct. 2010 to current year. PERIOD OF RECORD, Water-Quality.-- CHEMICAL DATA: Jan. 1970 to Apr. 1984. RADIOCHEMICAL DATA: May 1981.

GAGE - Water-stage recorder. Datum of gage is NAVD of 1988. 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 rolled earthfill dam 12,500 ft long, including a 664-foot gated spillway with fourteen 40- by 28-foot tainter gates. Impoundment began in Sept. 1967, but all gates were not closed until Mar. 22, 1978. Low-flow releases are made through three 4.5- by 6.75-ft sluiceways. The lake was built by the City of Dallas for municipal water supply. Data regarding the dam are given in the following table:

                                                                              Elevation (feet)
Top of dam............................................................          450.0
Design flood..........................................................          440.5
Top of conservation pool..............................................          438.8
Top of tainter gates..................................................          437.5
Crest of spillway (sill of tainter gates).............................          409.5
Lowest gated outlet (invert)..........................................          388.0

Water-quality records available July 1999 and July 2006 were published separately as:

Site ID                Site name
324929096305601  Lk Ray Hubbard PS Site nr Forney, TX

EXTREMES FOR PERIOD OF RECORD - Maximum contents, 544,100 acre-ft, May 4, 1990, elevation, 437.81 ft; minimum contents since first appreciable filling, 311,800 acre-ft, Sept. 30, 2000, elevation, 430.26 ft; minimum elevation, 424.88 ft, Dec. 14, 2014.