In order to keep DNR servers up to date, DNR will be patching the GIS servers to the latest service level on the morning of Sunday, December 7. During this update, users may see unexpected issues with DNR’s web map viewers. We…
The Wisconsin Department of Natural Resources (DNR) is committed to promoting diversity, fairness, equity and the principles of environmental justice. We also ensure we do not discriminate in our programs, decisions, actions or delivery of services.
PFAS contamination has been detected throughout Dane County in soil, municipal wells, private wells, surface water and groundwater.Subscribe to updates about PFAS contamination in Wisconsin.Submit a question, comment or concern about PFAS in Dane…
The DNR works closely with the Department of Health Services (DHS) to issue consumption advisories for per- and polyfluoroalkyl substances (PFAS) where and when necessary. Fish consumption advisories are based on guidance from the Great Lakes…
The Wisconsin Geographic Names Council (WGNC) is a state council established to maintain uniform geographic name usage throughout Wisconsin. The WGNC comprises representatives of state agencies most concerned with geographic information. Sharing its…
Beach Closings and Advisories MapBeach Advisory ReportsIn order to alert the public about potentially unhealthy water quality conditions at Great Lakes beaches, local health departments sometimes post swimming advisories. Depending on the severity…
Frequently asked questions about beaches are answered on this page.General Beach QuestionsWhat is a beach?For the purposes of coastal recreational water quality monitoring, the DNR has defined a beach as "a publicly owned shoreline or land area, not…
Wisconsin Beach Health is a DNR database that provides water quality data and beach advisories and closings for over 100 Great Lakes beaches in Wisconsin. This application has three main components: a map showing beach closings and advisories, an E…
When bringing an off-highway motorcycle (OHM) into Wisconsin from their home state, a nonresident can operate their OHM on Wisconsin OHM routes or areas available to the public for the recreational use of off-highway motorcycles with either a…
The DNR's Water Quality Program, in cooperation with the Fisheries Management Program and other partners, is conducting a multi-year, statewide monitoring project to sample fish tissue and water chemistry at select sites around the state near known…