USGS Water-Year Summary 2023
301336093183001 Cu- 769
Coastal lowlands aquifer system
700-foot Sand of Lake Charles Area
LOCATION - Lat 30°13'36", long 93°18'30" referenced to North American Datum of 1983, in sec.5, T.10 S., R.9 W., Calcasieu Parish, LA, Hydrologic Unit 08080206,
GROUNDWATER RECORDS
WELL CHARACTERISTICS - Depth 642 ft. Upper casing diameter 2 in; top of first opening 632 ft, bottom of last opening 642 ft.
DATUM - Land-surface datum is 17.62 ft above National Geodetic Vertical Datum of 1929. Measuring point: Top of 4-in. coupling, 2.40 ft above land-surface datum, Nov. 7, 2013 to present.
PERIOD OF RECORD - Discrete measurements 1963-1985, 1991-1991, 1995-1997, 1999 to present. Continuous record from November 2013 to December 2016.
GAGE - A logger recording measurements at 15-minute intervals during continuous data collection. Quarterly water levels and annual chlorides currently taken.
COOPERATION - Louisiana Department of Natural Resources.
EXTREMES FOR PERIOD OF RECORD - Highest water level, 79.71 ft below land-surface datum (recorded), March 11, 2015; Lowest water level 146.44 ft below land surface datum (measured), Jul 25, 1974.