USGS Water-Year Summary 2023
331354092322401 , 17S14W22BAB1
Mississippi embayment aquifer system
Sparta Sand
LOCATION - Lat 33°13'54.37", long 92°32'24.17" referenced to North American Datum of 1983, in NW 1/4 NE 1/4 NW 1/4 sec.22, T.17 S., R.14 W., Union County, AR, Hydrologic Unit 08040201, and at Union.
GROUNDWATER RECORDS
WELL CHARACTERISTICS - Depth 607.2 ft. Upper casing diameter 2 in; top of first opening 575.2 ft, bottom of last opening 595.7 ft.
DATUM - Land-surface datum is 200 ft above North American Vertical Datum of 1988. Measuring point: top of casing, 1.6 ft above land-surface datum, May 14, 2008, to present.
PERIOD OF RECORD - Aug 2003 to current year.
GAGE - Continuous transducer with modem telemetry.
COOPERATION - Union County Water Conservation Board.
EXTREMES FOR PERIOD OF RECORD - Highest water level, 274.19 ft below land surface datum, May 3, 2010; lowest water level, 320.01 ft below land surface datum, Jan 9, 2004.