USGS Water-Year Summary 2024

07349250 Lake Bistineau near Ringgold, LA

LOCATION - Lat 32°19'42", long 93°25'52" referenced to North American Datum of 1983, in SE 1/4 NW 1/4 sec.31, T.16 N., R.10 W., Bossier Parish, LA, Hydrologic Unit 11140203, 120 ft upstream from spillway near left bank on downstream side of bridge on State Highway 154, 9.0 mi west of Ringgold, and 17.0 mi upstream from mouth of Loggy Bayou.

DRAINAGE AREA - 1,443 mi².

REVISIONS HISTORY - WDR LA-1971: Drainage area. Gage heights for the period Apr. 4, 2021 to May 6, 2021 were revised on April 5, 2023 due to an improperly applied correction.

SURFACE-WATER RECORDS

PERIOD OF RECORD - October 1968 to current year (gage heights only).

GAGE - Water-stage recorder and concrete control at station. Datum of gage is 129.84 ft above NAVD88 (GEOID18) EPOCH 2010.0000. Satellite telemetry at station.

REMARKS - Record good. Reservoir is formed by an earthfill dam containing a 1,200-ft concrete spillway equipped with 12 adjustable gates and a fish ladder. Each gate is 6.0-ft wide and 5.0-ft high and fits into a notch along the spillway crest. The 1.75-ft thick spillway crest is flat and has an invert at 11 ft gage height with invert of the notches at 6 ft gage height. The fish ladder is 4-ft wide and begins flowing at 4.1 ft gage height. Capacity at spillway crest is 120,000 acre-ft. Dam was completed in 1935 and enlarged in 1951. Reservoir is used for flood control and conservation.

EXTREMES FOR PERIOD OF RECORD - Maximum gage height, 20.16 ft, Mar. 13, 2016; minimum, 2.32 ft, Oct. 25 and 26, 2010.