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USGS Water-Year Summary 2024
07353520 Nantachie Lake near Aloha, LA
LOCATION - Lat 31°36'15", long 92°47'11" referenced to North American Datum of 1983, in SE 1/4 NW 1/4 sec.4, T.7 N., R.4 W., Grant Parish, LA, Hydrologic Unit 11140207, at dam 2.0 mi upstream from mouth, and 2.5 mi northwest of Aloha.
DRAINAGE AREA - 80.4 mi².
SURFACE-WATER RECORDS
PERIOD OF RECORD - February 1969 to September 1979. October 1979 to current year (gage heights only).
GAGE - Water-stage recorder and concrete control. Datum of gage is 92.54 ft above NAVD88 (GEOID18) EPOCH 2010.0000. Satellite telemetry at station.
REMARKS - Record good. No gage heights recorded below 2.14 ft. Reservoir is formed on Nantachie Creek by earthfill dam, completed in 1964. Storage began Oct. 19,
1964. The dam contains a 150-ft concrete spillway. The crest of the spillway is 3.05 ft gage height. Drawdown structure consists of one 5- by 5-ft
metal sluice gate that can be varied from -16.78 to -11.78 ft gage height. Area of lake is 1,580 acres, usable capacity, 11,200 acre-ft at 3.05 ft gage
height. Reservoir is used for recreation.
EXTREMES FOR PERIOD OF RECORD - Maximum discharge, 10,200 ft³/s, Dec. 27, 1982, gage height, 9.39 ft; maximum gage height, 11.30 ft., March 18, 2016; no flow at times most years. Reverse flow
possible May 1973 and May 1990.
