External Services
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Routine inspections by owners
Dam owners need to perform routine inspections and during and following high water events – in addition to the required professional inspections and DNR decennial (every 10 years) inspections of high and significant hazard dams.The primary purpose…
- Webpage
Owner's responsibility for professional inspections
Large dams require periodic inspection by a professional engineer (PE) licensed in the state of Wisconsin. Some dam owners have a PE as part of their staff, but generally this means that the dam owner needs to hire an engineering consultant to…
- Webpage
Water levels and your property
In order to provide the DNR accurate, quantifiable information about how changing lake levels will affect your property, this information is provided to help you find the current water level and compare it to the shoreline of your property. Find…
- Webpage
Frequently Asked Questions – Dams
What are some common problems with dams as they age?The most common problems found during dam inspections are undesirable woody vegetation on the embankment, deteriorated concrete, inoperable gates and corroded outlet pipes.
- Webpage
Dams overview
With more than 15,000 lakes and 84,000 miles of rivers and streams, Wisconsin has an abundance of water resources. Many of these water bodies have water levels that are controlled by dams. A dam is a barrier that impounds water and generally serves…
- Webpage
Directory of Consultants
Often dam owners, dam operators, or property owners looking to complete a dam-related project or a project located in a regulated floodplain need to know where to seek technical assistance. The DNR Dam Safety and Floodplain Management Program…
- Webpage
Dam abandonment and removal
Similar to other kinds of infrastructure, dams have a design life and do not last forever. Economic, social, legal and environmental factors all play a significant role in the decision whether to maintain or remove a dam.Reasons for removalThere are…
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Current projects
The WWCT has 15 active projects covering over 850 acres across 10 different service areas. Projects are monitored for 5-10 years and credits are released when projects meet hydrology and vegetation performance standards. WWCT projects are overseen…
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Program overview
The Wisconsin Wetland Conservation Trust (WWCT) is a statewide wetland mitigation in-lieu fee (ILF) program sponsored and administered by the Wisconsin DNR. Operational since November 2014, the WWCT allows permittees or exempt project proponents…