Red Cedar River. Image courtesy of Jon H. Fuller, 2019.
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…
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…
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…
Wisconsin TMDLs in development include waters where specific projects have been started. These projects gather detailed water quality data, analysis of data for modeling pollutant loads and determine reductions and/or where resource professionals…
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.…
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…