USGS Water-Year Summary 2022
08045000 Eagle Mountain Reservoir above Fort Worth, TX
LOCATION - Lat 32°52'27.3", long 97°27'39.2" referenced to North American Datum of 1927, Tarrant County, TX, Hydrologic Unit 12030101, in valve house at left end of main section of Eagle Mountain Dam on West Fork Trinity River, 11.8 mi northwest of Fort Worth and at mile 583.3.
DRAINAGE AREA - 1,970 mi².
- WSP 1922: Drainage area.
PERIOD OF RECORD - Feb. 1934 to current year. Prior to Oct. 1943 end of month values only.
PERIOD OF RECORD, Water-Quality.--
CHEMICAL DATA: Jan. to July 1964, Aug. 2006.
BIOCHEMICAL DATA: Jan. to July 1964.
GAGE - Water-stage recorder. Datum of gage NAVD of 1988. Datum prior to Oct. 1, 2016 was NGVD of 1929 at 0.10 ft higher. Prior to Oct. 16, 1988, nonrecording gages at several sites within 1.0 mi of present site at datum then in use. Satellite telemeter at station.
COOPERATION - Capacity Table No. 5, furnished by the Tarrant Regional Water District, was put into use beginning Oct. 1, 2003. A new capacity table, Table No. 6, was furnished by the Texas Water Development Board and was put into use beginning Oct. 1, 2009. Capacity Table No. 7, furnished by the Texas Water Development Board, was put into use beginning Mar. 1, 2021.
EXTREMES FOR PERIOD OF RECORD - Maximum contents observed, 333,500 acre-ft, Apr. 26, 1942, elevation, 659.9 ft; minimum contents observed since first appreciable storage in 1935, 57,690 acre-ft, Nov. 19, 20, 1956, elevation, 629.3 ft.