Environmental Protection
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Completing eCMAR Forms
The DNR's wastewater database (known as SWAMP) interfaces with the eCMAR form. Information you have submitted during the calendar year is automatically transferred from SWAMP into your eCMAR form. WPDES permits require submittal of discharge…
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Compliance Maintenance Annual Report (CMAR)
Chapter NR 208, Wis. Adm. Code [exit DNR] is more commonly known as the Compliance Maintenance Annual Report (CMAR) rule for publicly and privately owned domestic wastewater treatment works. The CMAR is a self-evaluation tool that promotes the owner…
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Wisconsin Ballast Water General Permit
This page contains resources for the Wisconsin Ballast Water General Permit, including the online questionnaire in lieu of on-board inspections, information relating to the General Permit process (including fees, renewal and termination) and…
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Wisconsin Pest Control Pollutant Discharge Permits
Wisconsin General Permits are available for pest control treatment projects that have a pollutant discharge to a water of the state. The four Wisconsin WPDES general permits listed below were first issued in October 2011 and reissued effective…
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Adaptive Management and Water Quality Trading Project Locations
This map depicts WPDES permit holders that have formally selected adaptive management or water quality trading as their preferred phosphorus compliance option. Select a pin on the map to view more information about the permit holder, including the…
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Wastewater Plan Submittal Requirements by Project Type
Due to the closure of GEF3, the department has updated mailing addresses for plan submittals. For mail sent via any non-USPS carriers (UPS, FedEX, Spee-Dee, etc.) please use the updated address below.DNR has returned to requiring paper submittals…
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Adaptive Management
Project maps Find adaptive management and water quality trading projects around the state. Tools Resources are available to assist you in developing adaptive management and water quality trading plans and in modeling the impacts of management…
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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…