USGS Water-Year Summary 2024
313000084100301 12L373
Floridan aquifer system
Upper Floridan Aquifer
LOCATION - Lat 31°30'00.5", long 84°10'02.7" 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 106 ft, bottom of last opening 170 ft.
DATUM - Land-surface datum is 186.15 ft above North American Vertical Datum of 1988. Measuring point: top of casing,original beginning date 20171201, 2.3 ft above land-surface datum, Oct. 9, 2001 to present; recorder shelf, 3.0 ft above land-surface datum, Jan. 1, 2017 to Apr. 1, 2021. 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 186.152 ft above North American Vertical Datum of 1988. Prior to March 11, 2024, the land-surface datum was 185.9 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, 20.11 feet below land-surface datum, March 07, 2020; Lowest water level, 45.00 feet below land-surface datum, August 3, 2012.