USGS Water-Year Summary 2025
342510096363901 02S-07E-06 BAA 2 SIMP02
Arbuckle-Simpson aquifer
Simpson Group
LOCATION - Lat 34°25'09.53", long 96°36'38.99" referenced to North American Datum of 1983, in sec.06, T.2 S., R.7 E., Johnston County, OK, Hydrologic Unit 11140102,
GROUNDWATER RECORDS
WELL CHARACTERISTICS - Depth 101 ft. Upper casing diameter 6.5 in; top of first opening undefined, bottom of last opening undefined.
DATUM - Land-surface datum is 952.4 ft above North American Vertical Datum of 1988. Measuring point: Notch to the east of the eye hook, 0.16 ft above land-surface datum, Sep. 10, 2019 to present.
PERIOD OF RECORD - September 2019 to present.
EXTREMES FOR PERIOD OF RECORD - Maximum water level: 6.53 ft below land surface datum, Mar 24, 2020; Minimum water level: 24.02 ft below land surface datum, Dec. 14, 2023.