South Atlantic Water Science Center - Georgia
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Lake Seminole Hydrologic Analysis
Project Chief: xxxxx
Multiple uses of freshwater supplies in the lower Apalachicola-Chattahoochee-Flint (ACF) River Basin have been the concern of water managers in the States of Alabama, Florida, and Georgia for many years. Numerous studies have been conducted in an attempt to understand the complex relations that exist between hydrologic-system components and natural stresses, and to answer questions regarding the effects on those relations caused by human intervention. Although previous studies addressed important water-resource issues in the lower ACF River Basin, by design, none provided a mechanism for collecting real-time hydrologic data necessary to develop and maintain an accurate water budget for Lake Seminole and the stream-lakeaquifer flow system. None of these studies focused on investigating the hydrologic and hydrogeologic implications of impoundment of Lake Seminole by construction of Jim Woodruff Lock and Dam and the effect of the lake on other components of the flow system. In response to these needs, the U.S. Geological Survey (USGS) has entered into a cooperative agreement with the Georgia Department of Natural Resources to develop a water budget of the Lake Seminole area, to reasonably estimate the volume of water flowing into Florida before and after construction of the dam, and to monitor the effects of any sinkhole collapse beneath the lake.