USGS Water-Year Summary 2021
07377150 Amite River at Grangeville, LA
LOCATION - Lat 30°44'10", long 90°50'30" referenced to North American Datum of 1927, East Feliciana Parish, LA, Hydrologic Unit 08070202, St. Helena Meridian, at bridge on State Highway 37 (Greenwell Springs Road), 0.5 mile southwest of Grangeville.
DRAINAGE AREA - 741 mi².
PERIOD OF RECORD - November 1950 to September 1963 (annual maximum discharge and gage height), October 1963 to September 1983 (annual maximum gage height), February 1992 to current year.
GAGE - Water-stage recorder. Datum of gage is 71.40 ft above NAVD88 GEOID12b EPOCH 2010.0000. Prior to February 1992 datum of gage is 0.44 ft below NAVD88 GEOID12b EPOCH 2010.000.
COOPERATION - Louisiana Department of Transportation and Development, Public Works and Water Resources Division.
EXTREMES FOR PERIOD OF RECORD - Maximum discharge 63,800 ft³/s Apr 14, 1955, gage height 46.47 ft (present datum).