Environmental Protection
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Adaptive Management
Project mapsFind adaptive management and water quality trading projects around the state.ToolsResources are available to assist you in developing adaptive management and water quality trading plans and in modeling the impacts of management decisions…
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Approved TMDLs
The following TMDLs have been approved by the DNR and the EPA. To see a list of waters that are included in these TMDLs, please use our Impaired Waters tool to find waters with the status code of Approved TMDL. To see a map of TMDL sites, use the…
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TMDL implementation planning
A Total Maximum Daily Load (TMDL) implementation plan is a document that provides details of the actions needed to achieve pollutant load reductions, outlines a schedule of those actions and specifies monitoring needed to document actions and…
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TMDL Fact Sheets
What is a TMDL? A Total Maximum Daily Load (TMDL) is the maximum amount of a pollutant that a body of water can receive while still meeting water quality standards. A waterway that exceeds water quality standards is often no longer suitable for its…
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Additional TMDLs in Development
The Wisconsin Department of Natural Resources (DNR) and its partners are working to restore and protect the state's water quality by developing Total Maximum Daily Loads (TMDLs). These multi-year studies involve collecting detailed water quality…
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Point Source TMDL Implementation
Once a TMDL is approved, federal and state regulations require implementation of point source requirements, or wasteload allocations (WLAs), from the TMDL to be expressed in Wisconsin Pollutant Discharge Elimination System (WPDES) permits.…
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TMDL Overview
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TMDL Implementation
Once a Total Maximum Daily Load (TMDL) is developed and approved, federal and state regulations then require implementation of TMDLs to meet water quality standards where there are implementation mechanisms in place and supported by law. For point…
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Upper Fox and Wolf Rivers TMDL
The Upper Fox River and Wolf River Basins. © Winnebago Waterways