USGS Water-Year Summary 2024
073813498 Caillou Bay SW of Cocodrie, LA
LOCATION - Lat 29°04'41", long 90°52'17" referenced to North American Datum of 1983, in T.21 S., R.15 E., Terrebonne Parish, LA, Hydrologic Unit 08090302, located on a manned petroleum platform approximately 25 miles SW of Bayou DuLarge.
DRAINAGE AREA - Indeterminate.
SURFACE-WATER RECORDS
PERIOD OF RECORD - June 1999 to current year.
GAGE - Water-stage recorder. Datum of gage is 0.41 feet below NAVD88 GEOID12b EPOCH 2010.0000
EXTREMES FOR PERIOD OF RECORD - Maximum recorded gage height, 9.94 ft, Oct 3, 2002, but may have been higher during period of Hurricane Ike, Sep 12, 2008; minimum recorded gage height, -1.99 ft, Jan 14, 2006.
WATER-QUALITY RECORDS
PERIOD OF RECORD - June 1999 to current year.
PERIOD OF DAILY RECORD -
SPECIFIC CONDUCTANCE: June 1999 to current year.
SALINITY: October 2002 to current year.
WATER TEMPERATURE: June 1999 to current year.
INSTRUMENTATION - Water-quality monitor recording specific conductance and water temperature.
EXTREMES FOR PERIOD OF RECORD - SPECIFIC CONDUCTANCE: Maximum, 57,500 microsiemens/cm, Dec 02, 2011; minimum, 2860 microsiemens/cm, Apr 08, 2009.
SALINITY: Maximum, 33.9 ppt, Nov 14, 2012; Minimum, 1.5 ppt, Apr 8, 2009.
WATER TEMPERATURE: Maxmium, 34.9°C, June 13, 2010; minimum, 2.7°C, Jan 10, 2010.