USGS Water-Year Summary 2018
Mississippi River Valley alluvial aquifer
LOCATION - Lat 35°27'25.8", long 90°52'31.3" referenced to North American Datum of 1983, in NW 1/4 NW 1/4 NW 1/4 sec.34, T.10 N., R.2 E., Poinsett County, AR, Hydrologic Unit 08020205, and near Fisher.
WELL CHARACTERISTICS - Depth 155.9 ft. Upper casing diameter 4 in; top of first opening 136.6 ft, bottom of last opening 155.6 ft.
DATUM - Land-surface datum is 235 ft above North American Vertical Datum of 1988. Measuring point: top of pvc casing, 2.46 ft above land-surface datum, Jan. 8, 2009, to present; Undefined, 0.0 ft above land-surface datum, May 13, 2015, to present.
PERIOD OF RECORD - Continuous from Feb 2009 to current year.
GAGE - Continuous transducer with modem telemetry.
COOPERATION - Arkansas Natural Resources Commission.
EXTREMES FOR PERIOD OF RECORD - Highest water level, 101.50 ft below land surface datum, Apr 24, 2010; lowest water level, 105.85 ft below land surface datum, Sep 15, 2011.