USGS Water-Year Summary 2024
301300092584503 JD- 485A
Coastal lowlands aquifer system
Chicot Aquifer, Upper
LOCATION - Lat 30°13'00", long 92°58'48" referenced to North American Datum of 1983, in SE 1/4 SE 1/4 SE 1/4 sec.4, T.10 S., R.6 W., Jefferson Davis Parish, LA, Hydrologic Unit 08080203,
GROUNDWATER RECORDS
WELL CHARACTERISTICS - Depth 290 ft. Upper casing diameter 4 in; top of first opening 270 ft, bottom of last opening 290 ft.
DATUM - Land-surface datum is 21 ft above National Geodetic Vertical Datum of 1929. Measuring point: Hole in shelter floor, 3.00 ft above land-surface datum, Nov. 30, 1987 to present.
PERIOD OF RECORD - Discrete measurements made from Oct. 1977 to Apr. 2000 and Jul. 2017 to present. Continuous records from April 2000 to July 2017.
GAGE - A logger recording measurements at 15 minute intervals. Quarterly water levels measurements at site.
COOPERATION - Louisiana Department of Transportation and Development, Public Works and Water Resources Division.
EXTREMES FOR PERIOD OF RECORD - Highest water level, 46.91 ft below land-surface datum (measured) Apr 7, 1992. Lowest water level 107.41 ft below land-surface datum (measured) Jul 19, 1980.