USGS Water-Year Summary 2024
345057091525601 03N08W32ABB1
Mississippi River Valley alluvial aquifer
Quaternary Alluvium
LOCATION - Lat 34°50'58.11", long 91°52'52.02" referenced to North American Datum of 1983, in NW 1/4 NW 1/4 NE 1/4 sec.32, T.3 N., R.8 W., Lonoke County, AR, Hydrologic Unit 08020301, and near Wattensaw.
GROUNDWATER RECORDS
WELL CHARACTERISTICS - Depth 154 ft. Upper casing diameter 4 in; top of first opening 124 ft, bottom of last opening 154 ft.
DATUM - Land-surface datum is 250 ft above North American Vertical Datum of 1988. Measuring point: Top of casing, 1.6 ft above land-surface datum, May. 10, 2000 to May. 2, 2006; Inside top shelf measurement point marked white, 3.65 ft above land-surface datum, Jul. 28, 2008 to Apr. 30, 2009; Inside top shelf, measurement point marked white, 3.55 ft above land-surface datum, Apr. 30, 2009 to present.
PERIOD OF RECORD - Continuous from Jun 2000 to current year.
GAGE - Continuous transducer with modem telemetry.
Land Surface Datum of gage is 250.22 ft above NAVD of 1988, (Reference Frame NAD_83 (2011) (EPOCH:2010.0000) GEOID18), (Tape up to MP = 3.17 ft.).
Prior to August 20, 2024, the datum of Well was 250.00 ft NAVD of 1988. However, was selected from a DEM with an accuracy of 1.6 ft.
COOPERATION - Arkansas Natural Resources Commission.
EXTREMES FOR PERIOD OF RECORD - Highest water level, 103.50 ft below land surface datum, May 10, 2000; lowest water level, 125.84 ft below land surface datum, Aug 28, 2008.