USGS Water-Year Summary 2024
312947084092201 12K180
Floridan aquifer system
Upper Floridan Aquifer
LOCATION - Lat 31°29'46.9", long 84°09'22" referenced to North American Datum of 1983, Dougherty County, GA, Hydrologic Unit 03130008,
GROUNDWATER RECORDS
WELL CHARACTERISTICS - Depth 170 ft. Upper casing diameter 4 in; top of first opening 138 ft, bottom of last opening 170 ft.
DATUM - Land-surface datum is 171.55 ft above North American Vertical Datum of 1988. Measuring point: top of casing,original beginning date 20171201, 1.9 ft above land-surface datum, Jul. 11, 2002 to Sep. 27, 2022; unknown, 2.55 ft above land-surface datum, Oct. 5, 2016 to Sep. 27, 2022; recorder shelf, 1.90 ft. above land-surface datum, 1.9 ft above land-surface datum, Nov. 27, 2018 to present. The land-surface datum was revised on March 14, 2024, based on an error in the determination of the land-surface datum. Land-surface datum is 171.554 ft above North American Vertical Datum of 1988. Prior to March 11, 2024, the land-surface datum was 171.8 ft above National Geodetic Vertical Datum of 1929.
PERIOD OF RECORD - July 11, 2002 to current year.
COOPERATION - Albany Water Gas and Light Commission.
EXTREMES FOR PERIOD OF RECORD - Highest water level, 2.77 feet below land-surface datum, March 8, 2020; Lowest water level, 30.98 feet below land-surface datum, August 4, 2012.