Regulations
- Webpage
Landfill manager and operator certification requirements
Landfills in Wisconsin must be run by certified facility managers and site operators. An applicant for facility manager certification must have at least two years of experience operating or being directly responsible for the operation, design,…
- Webpage
Wisconsin cleanup rules and laws
Wisconsin statutes and administrative code govern the investigation and cleanup actions that are required after a discharge of a hazardous substance occurs or is discovered. In general, a person responsible for a discharge is required to report,…
- Webpage
Understanding invasive species
Wisconsin Statute Section 23.22 (1) (c) defines invasive species as "nonindigenous species whose introduction causes or is likely to cause economic or environmental harm or harm to human health." Humans move organisms around all the time.…
- Webpage
Invasive Species Rule – NR 40 terminology
Prohibited Invasive species that are not currently found in Wisconsin, with the exception of small pioneer stands of terrestrial plants and aquatic species that are isolated to a specific watershed in the state or the Great Lakes, but which,…
- Webpage
Report invasive species
We are working to keep invasive species out of Wisconsin. Early reports of new populations allow us to respond rapidly and control invasives before they spread into new areas. Select from the tabs below to report invasive species you have found.…
- Webpage
Publications
Publication Catalogs Terrestrial invasive plant publications catalog Aquatic invasive species publications catalog Management Plans Wisconsin Aquatic Invasive Species Management Plan Invasive Plant Control and Restoration Resources
- Webpage
Partners
Please choose a category from the menu below for a listing of related organizations. Please note all links exit the DNR website. Links to publications and other educational resources can be found on our publications page.
- Webpage
Purple loosestrife biocontrol — and you
Purple loosestrife (Lythrum salicaria) is a flowering plant that can reach 3’-7’ tall and is listed as a Restricted Invasive Species in Wisconsin because of its history of causing negative ecological impacts to wetlands and shorelines. Extensive…