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
07381349 Caillou Lake (Sister Lake) SW of Dulac, LA
LOCATION - Lat 29°14'57", long 90°55'16" referenced to North American Datum of 1983, Terrebonne Parish, LA, Hydrologic Unit 08090302, On a 30ft platform 9.0 mi. southwest of Bayou Du Large and 13 mi. southwest of Dulac, Louisiana.
DRAINAGE AREA - Indeterminate.
SURFACE-WATER RECORDS
PERIOD OF RECORD - July 1992 to current year.
GAGE - Water-stage recorder. Datum of gage is 1.03ft below NAVD88 GEOID18.
REMARKS - Site affected by wind and tide. Satellite telemetry at station.
EXTREMES FOR PERIOD OF RECORD - Maximum recorded gage height, 8.87 ft, Jul 13, 2019; minimum recorded gage height, -3.14 ft, Aug 30, 2012.
WATER-QUALITY RECORDS
PERIOD OF DAILY RECORD - SPECIFIC CONDUCTANCE: July 1992 to current.
SALINITY: October 2002 to current.
WATER TEMPERATURES: July 1992 to current.
INSTRUMENTATION - Water-quality monitor recording specific conductance, water temperature.
EXTREMES FOR PERIOD OF RECORD - SPECIFIC CONDUCTANCE: Maximum recorded, 50,000 microsiemens/cm, Oct 11, 2023; minimum recorded, 424 microsiemens/cm, Mar. 25,2019.
SALINITY: Maximum recorded, 31.4 ppt, Dec 15, 2014; minimum recorded, 0.2 ppt on several days.
WATER TEMPERATURES: Maximum recorded, 35.0°C, Jul 20, 2023, but may have been higher during period of missing record; minimum recorded, 0.9°C, Feb. 5, 1996.
