Click
to
hide
Water-Year
Summary
instructions
and
information
- Water-Year Summary reports summarize a year of hydrologic data in a printer-friendly format.
- For water years 2014 onward, choose a water year and parameter and an on-demand Water-Year Summary report will be generated.
- For water years 2006 through 2013, choose a water year and an Annual Water Data Report will be provided.
- For water years 2005 and earlier, Annual Water Data Reports may be available in digital format.
- Not all sites have reports available for every water year.
USGS Water-Year Summary 2024
305235084125101 12F036
Floridan aquifer system
Upper Floridan Aquifer
Upper Floridan Aquifer
LOCATION - Lat 30°52'35", long 84°12'52" referenced to North American Datum of 1927, Grady County, GA, Hydrologic Unit 03120002,
GROUNDWATER RECORDS
WELL CHARACTERISTICS - Depth 467 ft. Upper casing diameter 6 in; top of first opening 458 ft, bottom of last opening 467 ft.
DATUM - Land-surface datum is 203.9 ft above North American Vertical Datum of 1988. Measuring point: recorder shelf,original beginning date 20060302, 2.0 ft above land-surface datum, Jul. 17, 1964 to present. The land-surface datum was revised on March 11, 2024, based on an error in the determination of the land-surface datum. Land-surface datum is 203.90 ft above North American Vertical Datum of 1988. Prior to March 11, 2024, the land-surface datum was 204.54 ft above National Geodetic Vertical Datum of 1929.
PERIOD OF RECORD - July 7,1964 to Present
COOPERATION - Georgia Department of Natural Resources, Environmental Protection Division.
EXTREMES FOR PERIOD OF RECORD - Highest water level, 137.20 feet below land-surface datum, January 28, 2022; Lowest water level, 153.42 feet below land-surface datum, September 28, 1990.
