USGS Water-Year Summary 2024
322236081191001 35T003
Floridan aquifer system
Upper Floridan Aquifer
LOCATION - Lat 32°22'36", long 81°19'10" referenced to North American Datum of 1927, Effingham County, GA, Hydrologic Unit 03060109, 1.1 miles northwest of Springfield, GA
REVISIONS HISTORY - The discrete groundwater level for Nov. 30, 2020 was revised on Aug. 22, 2022, based on an error that was discovered in the original published value.
GROUNDWATER RECORDS
WELL CHARACTERISTICS - Depth 429 ft. Upper casing diameter 8 in; top of first opening 208 ft, bottom of last opening 429 ft.
DATUM - Land-surface datum is 40.98 ft above North American Vertical Datum of 1988. Measuring point: unknown, 0 ft above land-surface datum, Mar. 19, 2002 to May. 26, 2021; top of recorder shelf, 3.2 ft above land-surface datum, Mar. 2, 2006 to Nov. 2, 2011; top of recorder shelf, 1.6 ft above land-surface datum, Nov. 8, 2011 to Mar. 27, 2014; top of recorder shelf, 1.25 ft above land-surface datum, Mar. 26, 2014 to Apr. 23, 2014; unknown, 12.04 ft above land-surface datum, Apr. 22, 2014 to May. 27, 2021; Filed edge in 4" PVC casing; MP was added due to elevation of the park being raised, 12.02 ft above land-surface datum, May. 26, 2021 to present.
PERIOD OF RECORD - June 13, 2000 to current year.
COOPERATION - Georgia Department of Natural Resources, Environmental Protection Division.