Indiana Geological Survey - This site has a brief introduction to ground water in Indiana and various publications related to ground water in the state. The homepage also has various downloadable datasets and shapefiles containing information regarding parameters important to evaluating ground water.
Purdue Extension - This site had information on the following major topics: Agriculture and water quality, Homes and water quality, Communities and water quality, and Youth and water quality. Within the major topics are included such items as Septic Systems, Onsite Wastewater, Ponds, Field Assessment, Teacher Education, and much more.
U.S. Geological Survey, Indiana District - This site has the following information: Reports, Bibliography, FAQs, and GPS Base Station Data for Indiana; Indiana NWIS Web Data- includes historical data site information and surface water, ground water, and water quality data; and National Water-Quality Assessment Program in Indiana.
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