USGS Water-Year Summary for Site 08032200

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

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

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USGS Water-Year Summary 2023

08032200 Lake Jacksonville near Jacksonville, TX

LOCATION - Lat 31°56'49.5", long 95°17'53.4" referenced to North American Datum of 1927, Cherokee County, TX, Hydrologic Unit 12020001, on concrete deck of city of Jacksonville pump platform, on Gum Creek, 2.0 mi upstream of Pine Grove, and 5.0 mi southwest of Jacksonville.

DRAINAGE AREA - 34 mi².

SURFACE-WATER RECORDS

PERIOD OF RECORD - May 1999 to Sept. 2002 (contents). Oct. 2002 to current year (daily mean elevation).

GAGE - Water-stage recorder. Datum of gage is NAVD of 1988 and is obtained from Texas Water Development Board Report 126, "Engineering Data on Dams and Reservoirs in Texas", Part I, Nov. 1973. Satellite telemeter at station.

REMARKS - Records good. The lake is formed by a rolled earthfill dam 2,700 ft long, including a 350-ft uncontrolled spillway. Deliberate impoundment began in June 1957. The uncontrolled spillway is an excavated channel cut through natural ground and located at the right end of the dam. The low-flow outlet consists of an 18-inch concrete pressure pipe through the dam with valve on the upstream side. The dam is owned by the city of Jacksonville. The water is used for municipal and recreational purposes in the Jacksonville area. There are no known diversions. Some records listed in the "Period of Record" for surface water and water quality may not be available electronically. Data regarding the dam use the datum from TWDB Report 126 and are given in the following table:

                                                                              Elevation (feet)
Top of dam............................................................          438.0
Crest of uncontrolled spillway........................................          431.0
Lowest gated outlet (invert)..........................................          372.0

EXTREMES FOR PERIOD OF RECORD - 1999 to 2002: Maximum contents, 32,800 acre-ft, June 8, 2001; minimum contents, 26,610 acre-ft, Sept. 30, 2000; 1999 to current year: Maximum elevation, 424.87 ft, July 6, 2007; minimum elevation, 416.34 ft, Nov. 18-22, 2011.