Environmental Protection
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How to Apply for Air Permits
A permit application is required for each facility that emits air pollution, unless the facility qualifies for a permit exemption. In addition, some air permit exemptions also require an application. Application forms for all types of air pollution…
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Air Management Data Viewer
The Air Management Data Viewer (AMDV) is the DNR's web-based mapping application that provides information about air permitted facilities, facility emissions and air quality monitoring sites in Wisconsin. The viewer also identifies federally-…
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What’s wrong with my water?
You wonder if something's wrong with the water coming from your private well. It smells, tastes or looks different; or it stains your laundry or bathroom fixtures. Confirm the cause of your water complaints before attempting to fix them. Get the…
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Mercury Ban In K-12 Schools
Under a 2012 law, Wisconsin schools are required to remove all mercury from school facilities and grounds.
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Mercury Ban
Wisconsin Act 44 was signed in October 2009 and regulates the sale, distribution and use of specific mercury and mercury-containing devices to Wisconsin citizens, businesses, institutions and others, including specific requirements for Wisconsin K-…
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About Mercury
Mercury is a naturally occurring element (Hg on the periodic table) that is found in air, water and soil. It exists in several forms: elemental or metallic mercury, inorganic mercury compounds and organic mercury compounds. Elemental or metallic…
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Wisconsin water withdrawals
Every year, all registered high capacity property owners are required to submit monthly water use (withdrawal) totals to the DNR. Statewide, there are over 14,000 registered high capacity withdrawal sources including over 13,000 groundwater and 1,…
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Great Lakes Compact and diversions
The department seeks written public comment on its draft 2024, five-year Water Management and Water Conservation and Efficiency Program Review and Wisconsin’s Water Conservation Goals and Objectives. All Parties to the Great Lakes Compact must…
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Aquatic Communities
Wisconsin has a large and diverse aquatic resource that supports numerous species, communities, ecological processes and human uses. In addition, many terrestrial species and processes are dependent on neighboring aquatic systems. The aquatic…
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Managing Wisconsin’s Rivers
Under state and federal law, the DNR conducts water planning and master planning for natural areas and forests, implements regulations and secures special designations to protect, maintain or restore river resources. Designation of Wild Rivers…