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TMDLs

  • News

    DNR Seeks Public Comment On Updated Water Condition Lists

    The Wisconsin Department of Natural Resources (DNR) is seeking public comment on revised water condition lists included in the draft 2022 Impaired Waters List.

  • Hearing/Meeting

    Lower Fox TMDL Agriculture Implementation Committee

    The Lower Fox River TMDL Agriculture Implementation Committee is a stakeholder group that addresses the agricultural implementation of the Lower Fox Total Maximum Daily Load.

  • Hearing/Meeting

    Lower Fox TMDL Agriculture Implementation Committee

    The Lower Fox River TMDL Agriculture Implementation Committee is a stakeholder group that addresses the agricultural implementation of the Lower Fox Total Maximum Daily Load.

  • Webpage

    St. Croix Total Maximum Daily Load (TMDL)

    The St. Croix River.

  • Webpage

    Tainter Lake/Lake Menomin Total Maximum Daily Load (TMDL)

    Red Cedar River. Image courtesy of Jon H. Fuller, 2019.

  • Webpage

    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…

  • Webpage

    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…

  • Webpage

    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…

  • Webpage

    TMDLs in Development

    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…

  • Webpage

    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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