USGS Water-Year Summary 2018
301213093191701 Cu- 851
Coastal lowlands aquifer system
500-foot Sand of Lake Charles Area
LOCATION - Lat 30°12'13", long 93°19'17" referenced to North American Datum of 1983, in sec.7, T.10 S., R.9 W., Calcasieu Parish, LA, Hydrologic Unit 08080206,
WELL CHARACTERISTICS - Depth 555 ft. Upper casing diameter 2.00 in; top of first opening 550 ft, bottom of last opening 555 ft.
DATUM - Land-surface datum is 10 ft above National Geodetic Vertical Datum of 1929. Measuring point: File notch on top of 4x2-in reducer, 1.45 ft above land-surface datum, July 24, 2014, to present.
PERIOD OF RECORD - Discrete measurements 1973-1983, 1990-1991, and 1995 to present. Continuous record from September 1996 to present.
GAGE - A logger recording measurements at 15-minute intervals.
COOPERATION - Louisiana Department of Transportation and Development, Public Works and Water Resources Division.
EXTREMES FOR PERIOD OF RECORD - Highest water level, 75.61 ft below land-surface datum (recorded), Jan. 16,17, 2013; Lowest water level 145.67 ft below land surface datum (measured), Jul 25, 1974.