Regulations
- Webpage
NR 809 safe drinking water standards update
The state's safe drinking water code ch. NR 809 Wis. Adm. Code will be revised to include federal PFAS maximum contaminant levels (MCLs), technical edits and updates to lead and copper. As information about these rule updates becomes available, it…
- Webpage
Drinking water administrative codes
Wisconsin Administrative Codes that relate to private and public drinking water are provided on this page as links to the Wisconsin Legislative website. To request an official paper copy of a specific code, follow the instructions on the Wisconsin…
- Webpage
Wisconsin Animals
Wisconsin hosts 668 native vertebrates, including fishes, amphibians, reptiles, birds and m
- Webpage
Elk Hunting
Please be aware that there are several changes to Elk hunting regulations for the 2026 season:
- Webpage
Water use administrative rules REDIRECTS
The department has several administrative rules to implement the Great Lakes Compact and associated statewide water use regulations.
- Webpage
Identification tips and habitat
The Karner blue butterfly, Lycaeides melissa samuelis, is in the Lycaenidae (gossamer-winged butterfly) family.
- Webpage
HCP partnership levels
The HCP offers several types of partnership levels, including full partner, limited partner, a one-time permit option and the voluntary category. The partnership levels depend on the scope and type of work conducted and have varying levels of…