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In this episode of Louisiolgy, April Newman delves into the issues surrounding Baton Rouge's drinking water. Salt water intrusion into the aquifer that provides water for both municipal and industrial use may soon compromise a valuable resource that many local residents take for granted. In the first half of the show, Anthony Duplechin, director of the Capitol Area Groundwater Conservation District (http://www.cagwcc.com), explains that concerns about saltwater intrusion into the aquifer have been driving management decisions for decades. In the second half of the show, John Lovelace, assistant director of the Louisiana Water Science Center, US Geological Survey, explains how aquifers work and provides more technical details on the problem as well as potential solutions. Finally, Joey Breaux of the Louisiana Department of Agriculture and Forestry's Office of Soil and Water Conservation describes how Project WET (http://projectwet.org/) provides resources to educators.