Select the class type below to view and download class lesson plans. Boat lessons
The Office of Great Waters is pleased to present our 12th annual calendar, along with the winners and submissions from the 2020 Great Waters Photo Contest and Writing Project. As the calendar, photos and writings clearly show, the Great Lakes…
Say Yes to Lakes! You don't need to register a boat to donate. Your donation supports aquatic invasive species work at DNR and provides grants to scientists studying ways to improve invasive species prevention and control. Donate Now…
Future remote sensing research activities at the DNR will concentrate on an increase in Earth observation monitoring capabilities. These research activities include the optical and biogeochemical characterization of lakes across Wisconsin and the…
Frequently asked questions about lakes are answered on this page.Water Levels and DroughtDoes drought make blue-green algae worse?
Enter Data Log in to enter your data. The Citizen Lake Monitoring Network, the core of the Wisconsin Lakes Partnership, creates a bond between over 1,000 citizen volunteers statewide and the DNR. Our goals are to collect high quality data, to…
The following rules all relate to Aquatic Plant Management (APM).
Aquatic plants form the foundation of healthy and flourishing lake ecosystems - both within lakes and rivers and on the shores around them. They not only protect water quality, but they also produce life-giving oxygen. Aquatic plants are a lake's…
To minimize the spread of invasive species, interested stakeholders have met to develop voluntary Best Management Practices for Invasive Species. These guidelines will help Wisconsin residents and visitors to limit the likelihood of moving invasive…