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... Ground-water problems related to landfills, salt-storage piles, underground storage tanks, chemical spills, and a variety of other sources of contamination are being addressed by the Indiana Department of Environmental Management (IDEM), Office of Water, under the provisions of the federal Clean Wat ...
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Freshwater environmental quality parameters

Freshwater environmental quality parameters are the natural and man-made chemical, biological and microbiological characteristics of rivers, lakes and ground-waters, the ways they are measured and the ways that they change. The values or concentrations attributed to such parameters can be used to describe the pollution status of an environment, its biotic status or to predict the likelihood or otherwise of a particular organisms being present. Monitoring of environmental quality parameters is a key activity in managing the environment, restoring polluted environments and anticipating the effects of man-made changes on the environment.
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