Environmental Management
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Great Lakes Compact and diversions
The Great Lakes Compact is a formal agreement between the Great Lakes states which details how the states will work together to manage and protect the Great Lakes-St. Lawrence River Basin. A parallel agreement (the Sustainable Water Resources…
- Webpage
Environmental Management Division
The purpose of the DNR's Environmental Management (EM) Division is to protect Wisconsin's air, land, water and public health through compliance support and partnerships with our customers.
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Aquatic Communities
Wisconsin has a large and diverse aquatic resource that supports numerous species, communities, ecological processes and human uses. In addition, many terrestrial species and processes are dependent on neighboring aquatic systems. The aquatic…
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Wisconsin’s Riverine and Lake Natural Communities
Protecting and preserving riverine and lake natural communities are important to the environment and economy of Wisconsin. New scientific findings have identified distinct "natural communities" into which different types of streams, rivers and lakes…
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Managing Wisconsin’s Rivers
Under state and federal law, the DNR conducts water planning and master planning for natural areas and forests, implements regulations and secures special designations to protect, maintain or restore river resources. Designation of Wild Rivers…
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River Facts and Resources
Wisconsin has more than 15,000 lakes and 84,000 miles of rivers and streams. Every year, watershed planning begins across the state with monitoring to evaluate the health of Wisconsin's waters. Biologists and trained volunteers collect monitoring…