by J.V. Brahana, Dolores Mulderink, Jo Ann Macy and M.W. Bradley
This report is available as a pdf below
The East Tennessee aquifer system occurs in the Valley and Ridge and the Blue Ridge provinces of Tennessee. These areas are underlain by rocks of Precambrian to Mississippian age which have been structurally deformed and faulted during the Appalachian orogeny. Ground water in the Valley and Ridge occurs primarily in solution openings in carbonate rocks and in fractures in sandstones and shale. Fractures in the crystalline rocks store and transmit most of the ground water in the Blue Ridge province.
The East Tennessee aquifer system is important as a source of rural and municipal drinking water. Within 300 feet of land surface, ground water generally contains less than 500 milligrams per liter dissolved solids. At greater depths, fractures and solution openings are smaller and fewer in number. There are very few data to define ground-water occurrence at depths greater than about 300 feet. Ground-water flow may be restricted and the dissolved-solids concentrations in the ground water may reach thousands or even tens of thousands of milligrams per liter.
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