USGS Water-Year Summary for Site 292859090004000

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	Available Parameters
	00010 Temperature, water(Max.,Min.,Mean)
	00065 Gage height(Mean)
	00095 Specific cond at 25C(Max.,Min.,Mean)
	00480 Salinity(Max.,Min.,Mean)

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Water year 2023: 2022-10-01 to 2023-09-30

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USGS Water-Year Summary 2023

292859090004000 Barataria Waterway S of Lafitte, LA

LOCATION - Lat 29°28'59", long 90°00'40" referenced to North American Datum of 1983, Jefferson Parish, LA, Hydrologic Unit 08090301, on Grand Isle platform station 12.

DRAINAGE AREA - Indeterminate. Site is located in an open bay

REVISIONS HISTORY - 2005 water year minimum gage height, 2.56 ft, Dec 14, 2005.

SURFACE-WATER RECORDS

PERIOD OF RECORD - August 2001 to December 2003 (gage height); at site 300 ft downstream, not equivalent because datum could not be related to current location. December 2003 to September 2007 (discharge and gage height). October 2007 to April 2020.

GAGE - Water-stage recorder and acoustic velocity meter. Datum of gage is 4.247 ft below NAVD 88. Prior to June 18, 2009 datum of gage was 3.81 feet below NAVD88.

REMARKS - Site affected by tide and wind at all stages. Records for August 24 to September 30, 2001 are available at the USGS Louisiana Water Science Center. Site was removed for construction in May 2020. Site could not be installed in same location and was moved approx 1 miles SSE; site was replaced with site 073802511, Barataria Waterway at Mud Lake S of Lafitte, LA; datum not related.

EXTREMES FOR PERIOD OF RECORD - Maximum positive discharge, 152,000 ft³/s, May 24, 2012, Nov. 12, 2012; maximum gage height, 8.33 ft, Sept. 3, 2011; maximum negative discharge, -103,000 ft³/s, Sep 23, 2005; minimum gage height, 2.12 ft, June 5, 2006. Extremes may have been higher or lower during periods of missing record due to Hurricanes.

WATER-QUALITY RECORDS

PERIOD OF RECORD - August 2001 to April 2020.

PERIOD OF DAILY RECORD - SPECIFIC CONDUCTANCE: August 2001 to April 2020. SALINITY: October 2002 to April 2020. WATER TEMPERATURE: August 2001 to April 2020.

INSTRUMENTATION - Water-quality monitor recording specific conductance and water temperature.

EXTREMES FOR PERIOD OF RECORD - SPECIFIC CONDUCTANCE: Maximum recorded, 48,300 microsiemens/cm, Aug. 29, 2012; minimum, 258 microsiemens/cm, Jan 1, 2010. SALINITY: Maximum recorded, 31.5 ppt, Aug. 29, 2012; minimum, 0.1 ppt, on several days. WATER TEMPERATURE: Maximum, 34.4°C, Aug 2, 2013 and Aug 6, 2010; minimum, 2.4°C, Jan 10, 2010.