Recharge to High Yield Wells in the Piedmont
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Author(s)
Dowd, John F.
Marshall, Jane E.
Advisor(s)
Editor(s)
Hatcher, Kathryn J.
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Abstract
Currently most of the municipal water supplies in the
Piedmont are from surface water, although there is increasing
interest in developing groundwater sources. The igneous and
metamorphic rocks contain little primary porosity and very low
primary permeability; flow occurs in fractures. High yield wells
require fracture zones such as faults or lithologic contacts. While
flow in these zones may be rapid, the volume of water stored in the
fractures is limited. Recharge to the fracture zone is principally
from the saprolite. High pumping rates can only be sustained by
induced recharge from surface water bodies or thick saturated
saprolite.
Sponsor
Sponsored and Organized by: U.S. Geological Survey, Georgia Department of Natural Resources, The University of Georgia, Georgia State University, Georgia Institute of Technology
Date
1995-04
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Resource Type
Text
Resource Subtype
Proceedings