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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
If you are planning to apply for a CWFP loan for State Fiscal Year 2026, and you have not already done so, please submit your facility plan as early as possible to ensure that the DNR is able to review and approve the facility plan prior to the CWFP…
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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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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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Resources for homeowners and farmers
The following resources describe things homeowners and farmers can do to reduce polluted runoff, related to the Wisconsin River Basin TMDL.
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Groundwater forms
Groundwater Monitoring Inventory Form 3300-67 and Instructions [PDF] Groundwater Monitoring Well Information Form 4400-89 and Instructions [PDF] Monitoring Well Construction and Development Forms 4400-113A and 4400-113B and Instructions [PDF]…
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Look up groundwater and well data
To learn about the likely quantity and quality of groundwater in a geographic area, you will want to find data from several sources.Groundwater Quality and Basic Well ParametersGroundwater quality and basic well parameters can be found in the…
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NR 140 Groundwater Quality Standards Update
Subscribe to NR 140 UpdatesAs part of a continuing commitment to protect public health and the environment, the DNR periodically updates groundwater quality standards in ch. NR 140, Wis. Adm. Code.