USGS Water-Year Summary 2018
343108090462601 , 02S03E15ACD1
Mississippi River Valley alluvial aquifer
LOCATION - Lat 34°31'09.96", long 90°46'21.48" referenced to North American Datum of 1983, in SE 1/4 SW 1/4 NE 1/4 sec.15, T.2 S., R.3 E., Phillips County, AR, Hydrologic Unit 08020304, and near Barton.
WELL CHARACTERISTICS - Depth 112 ft. Upper casing diameter 18 in; top of first opening undefined, bottom of last opening undefined.
DATUM - Land-surface datum is 174 ft above North American Vertical Datum of 1988. Measuring point: hole in deck plate; marked, 1.67 ft above land-surface datum, May 12, 2008, to present.
PERIOD OF RECORD - Annual Mar 1955, semi-annual from 1961 to 1974, monthly from Jan 1957 to Apr 1960, and continuous from Oct 1975 to Sep 1994 and Oct 1996 to current year.
GAGE - Continuous transducer with modem telemetry.
COOPERATION - Arkansas Natural Resources Commission.
EXTREMES FOR PERIOD OF RECORD - Highest water level, 6.07 ft below land surface datum, Jan 30, 1958; lowest water level, 21.16 ft below land surface datum, Nov 24, 1996.