A Model for Groundwater Flow in the Alluvial Aquifer of the Arkansas River at Dardanelle, Arkansas
STATE OF ARKANSAS Arkansas Geological Commission Mac B. Woodward, State Geologist _______________________________________________________________________ W A T E R R E S O U R C E S C I R C U L A R 1 8 _______________________________________________________________________ A Model for Groundwater Flow In the Alluvial Aquifer of the Arkansas River at Dardanelle, Arkansas By Stephen W. Kline, Ph.D., P.G. Center for Energy, Natural Resources, and Environmental Studies Arkansas Tech University And Nicolas R. Horn, Cathy Baker, Ph.D., and John D. Horn Department of Physical Sciences Arkansas Tech University Little Rock, Arkansas 2003 STATE OF ARKANSAS Mike Huckabee, Governor ARKANSAS GEOLOGICAL COMMISSION Mac B. Woodward, State Geologist COMMISSIONERS Dr. Richard Cohoon, Chairman ......................................Russellville Donald Reinbold, Vice Chairman.......................................... Turrell David J. Baumgardner .................................................... Little Rock John Blake.................................................................Siloam Springs David Lumbert................................................................ Little Rock James W. Parham............................................................... Magnolia William Willis................................................................ Hot Springs A Model for Groundwater Flow In the Alluvial Aquifer of the Arkansas River at Dardanelle, Arkansas By Stephen W. Kline, Ph.D., P.G. Center for Energy, Natural Resources, and Environmental Studies Arkansas Tech University And Nicolas R. Horn, Cathy Baker, Ph.D., and John D. Horn Department of Physical Sciences Arkansas Tech University Abstract The municipal wells of the City of Dardanelle tap the alluvial aquifer of the Arkansas River in an area where the alluvial plain is about 1.4 mi (2.3 km) wide and 68 ft (21 m) thick, flanked by areas of Paleozoic shale bedrock outcrop. The city planners were concerned about potential contamination of their water-supply system if the river were to be polluted.
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