USGS Water-Year Summary 2023
300035091443301 I- 93
Coastal lowlands aquifer system
Chicot Aquifer, Upper
LOCATION - Lat 30°00'35", long 91°44'38" referenced to North American Datum of 1983, in sec.5, T.12 S., R.7 E., Iberia Parish, LA, Hydrologic Unit 08080102,
GROUNDWATER RECORDS
WELL CHARACTERISTICS - Depth 585 ft. Upper casing diameter 2 in; top of first opening 580 ft, bottom of last opening 585 ft.
DATUM - Land-surface datum is 18.53 ft above National Geodetic Vertical Datum of 1929. Measuring point: Top of 4-in. reducer, marked, 3.33 ft above land-surface datum, Nov. 5, 2013 to present; Top of 2.0 inch casing, 3.00 ft above land-surface datum, Jun. 25, 2019 to present.
PERIOD OF RECORD - Discrete measurements from 1965-1983, 1989 to present. Continuous record from November 2013 to December 2016.
GAGE - A logger recording measurements at 15-minute intervals during continuous data collection. With quarterly discrete water level readings and annual chloride sampling
COOPERATION - Louisiana Department of Transportation and Development, Public Works and Water Resources Division.
EXTREMES FOR PERIOD OF RECORD - Highest water level, 14.55 ft below land-surface datum (measured), Dec. 7, 1993; Lowest water level 23.19 ft below land surface datum (measured), Oct 18, 2000.