USGS Water-Year Summary 2019
Floridan aquifer system
Upper Floridan Aquifer
LOCATION - Lat 31°09'31", long 81°29'10" referenced to North American Datum of 1983, Glynn County, GA, Hydrologic Unit 03070203, and 1.1 Miles northeast of Brunswick, Ga
WELL CHARACTERISTICS - Depth 685 ft. Upper casing diameter 20 in; top of first opening 560 ft, bottom of last opening 685 ft.
DATUM - Land-surface datum is 10.9 ft above North American Vertical Datum of 1988. Measuring point: top of recorder shelf, 5.27 ft above land-surface datum, Feb. 20, 2007 to present.
PERIOD OF RECORD - February 2007 to current year.
COOPERATION - City of Brunswick, Glynn County, Koch Celloulse Inc., Jekyll Island Authority.