USGS Water-Year Summary 2021
07352820 Grand Bayou Reservoir at spillway nr Coushatta, LA
LOCATION - Lat 31°59'55.64", long 93°12'47.76" referenced to North American Datum of 1983, Red River Parish, LA, Hydrologic Unit 11140209, located on a 12' x 12' wooden platform 140 feet west of the Grand Bayou Reservoir spillway near Coushatta, Louisiana.
PERIOD OF RECORD - May 7, 2013 to current year.
GAGE - Water-stage recorder. Datum of gage is 93.37 ft above NGVD of 1929 (levels by Louisiana Department of Transportation and Development).
COOPERATION - Louisiana Department of Transportation and Development.