USGS Water-Year Summary 2024
07369000 Bayou Lafourche near Crew Lake, LA
LOCATION - Lat 32°30'00", long 91°55'05" referenced to North American Datum of 1983, in NW 1/4 SW 1/4 sec.36, T.18 N., R.5 E., Richland Parish, LA, Hydrologic Unit 08050001, near center of span on downstream side of bridge on U.S. Highway 80, 1.1 mi upstream from Illinois Central Gulf Railroad bridge, and 2.5 mi west of town of Crew Lake.
DRAINAGE AREA - 361 mi². Small diversions above station for irrigation. Interconnecting system of bayous and drainage ditches produces an interchange of flow under varying conditions; hence, the drainage limits were more or less arbitrarily determined. Boeuf River and Bayou Lafourche basins are connected by canal upstream. In extreme floods, considerable flow from the Bayou Bartholomew basin passes this station.
SURFACE-WATER RECORDS
PERIOD OF RECORD - October 1938 to current year. Prior to December 1938, monthly discharge only, published in WSP 1311.
GAGE - Water-stage recorder. Datum of gage is 35.83 ft above NAVD88 (GEOID18) EPOCH 2010.0000. Prior to Aug. 10, 1944, nonrecording gage,
Aug. 10, 1944, to June 5, 1952, water-stage recorder, and June 6 to September 30, 1952, nonrecording gage, all at same site at datum 19.00 ft higher.
Water-stage recorder for Bayou Lafourche near Alto (station 07369050) used as auxiliary gage for this station since Oct. 1, 1957.
EXTREMES OUTSIDE PERIOD OF RECORD - A discharge of 17,000 ft³/s was measured Dec. 24, 1931 (from reports of Corps of Engineers, Vicksburg
District).
AVERAGE DISCHARGE FOR PERIOD OF RECORD - 75 years, (water years 1939 to 2013) 1,880 ft/s, 1,362,000 acre-ft/yr.