Environmental Protection
- Webpage
Helpful Hints and FAQ
The following are some helpful hints and frequently asked questions (FAQ) for situations that may arise when filing compliance documents electronically with the DNR Air Program. For questions not answered here, please contact the facility-assigned…
- Webpage
Notifying the DNR Air Program About Facility Closings
Closing a facility can be a complicated process. The information on this page will help you understand some of the obligations you will continue to have with respect to the DNR's Air Management Program, decisions you will need to make and the…
- Webpage
Prevention of Significant Deterioration (PSD) Class I Areas
Class I areas receive extra protection from the impacts of air pollution. The classification was established under the Clean Air Act prevention of significant deterioration (PSD) program to limit the amount of additional pollution to these areas…
- Webpage
Notifying the Air Program About Administrative Facility Changes
Facilities holding air permits must notify the Air Program about changes to the facility name, ownership, parent company or responsible official. Updates to addresses, email addresses or phone numbers, can be submitted through the process described…
- Webpage
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…
- Webpage
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-…
- Webpage
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…
- Webpage
Mercury Ban In K-12 Schools
Under a 2012 law, Wisconsin schools are required to remove all mercury from school facilities and grounds.
- Webpage
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-…
- Webpage
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…