USGS Water-Year Summary 2022
07369050 Bayou Lafourche near Alto, LA
LOCATION - Lat 32°23'50", long 91°59'40" referenced to North American Datum of 1927, in NW 1/4 SE 1/4 sec.6, T.16 N., R.5 E., Richland Parish, LA, Hydrologic Unit 08050001, on Ouachita-Richland Parish line, at bridge on State Highway 15, 8 miles west of Alto, 8.5 miles downstream from gaging station Bayou Lafourche near Crew Lake (station 07369000), and 40 miles upstream from mouth.
DRAINAGE AREA - not determined.
PERIOD OF RECORD - October 1973 to September 1985 and October 2013 to current (daily gage height values); October 1985 to September 2013 (annual maximum only). April 1946 to September
1973 published in reports of Corps of Engineers.
GAGE - Water-stage recorder. Datum of gage is 0.88 ft below NAVD88 (GEOID18) EPOCH 2010.0000. Prior to June 2022, datum of gage was NGVD of 1929 (levels by Corps of Engineers).
COOPERATION - Corps of Engineers, Vicksburg District.
EXTREMES OUTSIDE PERIOD OF RECORD - Maximum elevation 63.8 ft, April 23, 1947.
EXTREMES FOR PERIOD OF RECORD - Maximum elevation, 65.48 ft, Mar. 14, 2016.