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- Water-Year Summary reports summarize a year of hydrologic data in a printer-friendly format.
- For water years 2014 onward, choose a water year and parameter and an on-demand Water-Year Summary report will be generated.
- For water years 2006 through 2013, choose a water year and an Annual Water Data Report will be provided.
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USGS Water-Year Summary 2024
07380401 BAYOU LAFOURCHE SW OF DONALDSONVILLE, LA
LOCATION - Lat 30°05'47", long 91°00'21" referenced to North American Datum of 1927, in sec.35, T.11 S., R.2 E., Ascension Parish, LA, Hydrologic Unit 08070204, on downstream side of bridge located 1.0 mi south of Marchand Drive (Hwy. 3089) and connecting Hwy. 1 and Hwy. 308.
DRAINAGE AREA - Undetermined.
SURFACE-WATER RECORDS
PERIOD OF RECORD - December 1996 to September 2000, April 2009 to Sept. 2011 (gage height only); October 2000 to current year.
GAGE - Water-stage recorder and acoustic velocity meter. Datum of gage is 0.82 ft below NAVD88 GEOID12b EPOCH 2010.0000..
REMARKS - Pumping plant at Mississippi River pumps total flow of Bayou Lafourche from river except for small amounts of storm drainage during heavy runoff. Satellite telemetry at station.
EXTREMES FOR PERIOD OF RECORD - Maximum positive discharge, 938 ft³/s, May 13, 2022; maximum gage height, 12.55 ft, May 28, 2014; maximum negative discharge, -240 ft³/s, June 11, 2001; minimum gage height, 3.79 ft, Mar. 29, 1997.
