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THE AQUIFER SYSTEM
CONTROL OF SALTWATER ENCROACHMENT
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Acadian Thruway Airline Highway altitude of base Approximate location area of withdrawal Area where aquifer ative directions base of aquifer Baton Rouge area contains salty water Contour interval Control point datum is mean detect chloride change direction of movement Direction of water directions of displacement downthrown side drilled fault zone feet per mile found north fresh water heavy withdrawal hydraulic gradient industrial district interval 100 feet Jefferson Highway Lafayette Street pumping location of fault location of sections Louisiana Louisiana Dept major aquifer mean sea level migration movement of salty º º º Perkins Road PIEZOMETRIC Planes of fence point of heavy Port Allen pumpage rate of movement relative directions salt-water body salt-water encroachment salt-water front salty water north sand south shown Shows altitude South of fault Street pumping station Structure contour U.S. Geological Survey water in aquifer water-level contour map zone and rel