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Summary appraisals of the Nation's ground-water resources--South Atlantic-Gulf region

Professional Paper 813-O
By D.J. Cederstrom, E.H. Boswell, and G.R. Tarver

Abstract

The 270,000 sq mi South Atlantic-Gulf Region has ground-water resources capable of a sustained yield of 286,000 (gal/d)/sq mi. About 10 percent of the region 's supply will meet the projected ground-water requirement for the year 2020. Most of the region's ground water will be developed from the extensive sedimentary Coastal Plain aquifers. The most extensive and most productive aquifers are in Tertiary limestone, Cretaceous sand and gravel, and Miocene sand. Large supplies of ground water can be developed in some places in the Cumberland Plateau and Valley and Ridge Provinces. In the Piedmont and Blue Ridge Provinces ground water is available only in moderate quantities. Ground water of acceptable chemical and physical quality is available in more than 90 percent of the region and freshwater extends to depths of slightly more than 3,000 feet in some areas. Ground-water problems are not severe although large water-level declines have occurred in some heavily-pumped areas and there are some instances of contaminated aquifers.

Cederstrom, D.J., Boswell, E.H., and Tarver, G.R., 1979, Summary appraisals of the Nation's ground-water resources-South Atlantic-Gulf region: U.S. Geological Survey Professional Paper 813-O, 35 p.