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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.
- For water years 2005 and earlier, Annual Water Data Reports may be available in digital format.
- Not all sites have reports available for every water year.
USGS Water-Year Summary 2024
073802245 BLACK BAYOU EAST OF GONZALES, LA
LOCATION - Lat 30°14'14", long 90°52'12" referenced to North American Datum of 1927, Ascension Parish, LA, Hydrologic Unit 08070204, on downstream side of bridge on State Highway 431, approximately 0.2 mi south of the intersection of Hwy. 431 and Churchpoint Road and approximately 2.5 mi east of Hwy. 61 in Gonzales.
DRAINAGE AREA - Less than 18.30 mi².
REVISIONS HISTORY - WDR-LA-1998: 1997: Extremes for Period of Record.
SURFACE-WATER RECORDS
PERIOD OF RECORD - May 1997 to current year.
GAGE - Water-stage recorder. Datum of gage is NAVD 88.
REMARKS - Stage affected by wind and tide. Satellite telemetry and rain gage at station.
EXTREMES FOR PERIOD OF RECORD - Maximum gage height, 9.60 ft, Aug. 16, 2016; minimum gage height, -2.27 ft, Aug. 29, 2012.
