State Agencies
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Water Quality Criteria
The Clean Water Act requires states to adopt water quality standards to protect aquatic life, wildlife and recreation. Water quality standards consist of three components: antidegradation, designated uses and water quality criteria. Water quality…
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Triennial Standards Review
Every three years, the DNR reviews Wisconsin's water quality standards or related guidance to determine which standards need development or revision, as required by the federal Clean Water Act. This comprehensive evaluation, called the…
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Pollutant Load Ratio Estimation Tool (PRESTO)
The Pollutant Load Ratio Estimation Tool (PRESTO) is a statewide GIS-based tool that compares the average annual phosphorus loads originating from point and nonpoint sources within a watershed. The comparison provides a screening tool for…
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Gateway to Wisconsin's Basins and Watersheds
Wisconsin's largest river systems form 24 drainage basins. Click on the map or drop-down box below to navigate to your basin of interest.
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Frequently Asked Questions About Asbestos Removal
If you cannot find the answer you need among these questions, please contact the asbestos inspector for the county where the project is located.
- Webpage
Asbestos Removal and Notification
Asbestos fibers are a known human carcinogen. Lung cancer, mesothelioma (cancer of the chest cavity lining) and asbestosis (a fibrotic scarring of lung tissue) have been proven to result from asbestos exposure.The Clean Air Act (CAA) of 1970…
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Surface water grant program
Looking over the backwaters of the Mississippi River at Rush Creek State Natural Area.
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Small Loans Program
Attention: The CWFP Small Loans Program is currently suspended. The DNR stopped accepting Interest Rate Subsidy Applications as of January 1, 2022. This suspension (no longer accepting new applications) will continue until the CWFP Small Loans…
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Lead Service Line Replacements
Removing lead service lines (LSLs) is one way to minimize the potential for lead to get into your drinking water. The Wisconsin DNR Bureau of Drinking Water and Groundwater provides information regarding the concerns of lead in drinking water.
- Webpage
Summary of financial assistance
Wisconsin provided over $7.3 billion in financial assistance to municipalities since State Fiscal Year (SFY) 1991 through two environmental financing programs:Clean Water Fund Program (CWFP), for wastewater and storm water, since 1991, including the…