Click
to
hide
Water-Year
Summary
instructions
and
information
- 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
07381150 Bayou Lafourche at Lockport, LA
LOCATION - Lat 29°38'49.4", long 90°32'12.4" referenced to North American Datum of 1983, Lafourche Parish, LA, Hydrologic Unit 08090302, on upstream side of east support pier of Lockport Swing Bridge.
DRAINAGE AREA - Indeterminate.
SURFACE-WATER RECORDS
PERIOD OF RECORD - October 2006 to current year.
GAGE - Water-stage recorder. Datum of Gage is 3.90 feet below NAVD 88 Geoid09.
REMARKS - Site affected by wind and tide. Satelite telemetry at station.
EXTREMES FOR PERIOD OF RECORD - Maximum gage height, 7.98 ft, Aug. 29, 2021; minimum gage height, 2.96 ft, Jan. 17, 2018.
WATER-QUALITY RECORDS
PERIOD OF RECORD - October 2006 to current year.
INSTRUMENTATION - Water-quality monitor recording water temperature and specific conductance.
EXTREMES FOR PERIOD OF RECORD - SPECIFIC CONDUCTANCE: Maximum, 13,000 microsiemens/cm, Oct. 19, 2006; minimum, 106 microsiemens/cm, Mar. 25, 2021.
SALINITY: Maximum, 7.5 ppt, Oct. 19, 2007; minimum, 0.1 ppt, on many days.
WATER TEMPERATURE: Maximum, 35.2°C, Jul. 2, 2023; minimum, 4.7°C, Jan. 11, 2010.
