USGS Water-Year Summary 2023
350514097593201 07N-08W-13 ADA 1 W34002
Alluvial aquifers
Quaternary Alluvium
LOCATION - Lat 35°05'14.52", long 97°59'32.33" referenced to North American Datum of 1983, in NE 1/4 NW 1/4 NE 1/4 sec.13, T.7 N., R.8 W., Grady County, OK, Hydrologic Unit 11100301,
GROUNDWATER RECORDS
WELL CHARACTERISTICS - Depth 36.83 ft. Upper casing diameter 8 in; top of first opening undefined, bottom of last opening undefined.
DATUM - Land-surface datum is 1,099.23 ft above North American Vertical Datum of 1988. Measuring point: Undefined, 2.32 ft above land-surface datum, Nov. 23, 2016 to present.
PERIOD OF RECORD - November 2016 to June 2019.
EXTREMES FOR PERIOD OF RECORD - Highest observed water level, -0.78 ft below land-surface datum, May 30, 2019; lowest water level, 11.23 ft below land-surface datum, September 21, 2018.