Dams
- Webpage
Emergency Action Plan (EAP)
An EAP is a major step an owner can take to protect downstream lives and property, protect his/her investment and reduce potential liability. It is a formal document that identifies potential emergency conditions at a dam and prescribes…
- Webpage
Dam Failure Analysis (DFA)
A dam failure analysis (DFA) is required for all large dams under Chapter NR 333, Wis. Adm. Code. It is used for these purposes:
- Webpage
Wisconsin Dams Data Downloads
The Wisconsin Dam Data Viewer provides spatial and tabular data for the statewide repository of dams.
- Webpage
Dam Transfer of Ownership
If you are considering selling or buying a property which includes a dam, notify your real estate agent early in the transfer process. Realtors, attorneys and lenders are required by law to advise clients of these requirements. If dam…
- Webpage
Dam search
Three search tools have been developed to obtain information about dams in Wisconsin. Two search tools determine the inspection schedules for state regulated, large dams and provide selected database information. The third search tool helps…
- Webpage
Contact information
Regional staff: DNR water management engineers, by county Government contacts Central office staff Tanya Lourigan Dam Safety and Floodplain Mapping Section Chief
- Webpage
Dam safety consultants
Prairie du Sac Dam, Sauk County Chapter 31, Wis. Stats. requires owners of large dams to ensure safety of their dams by hiring professional engineers licensed in Wisconsin to perform regular and frequent inspections.
- Webpage
Projects of special interest
There may be dams of special interest for a variety of reasons. Some ongoing projects are detailed here. Indianford (Lake Koshkonong) Dam The DNR has decision-making authority under Chapter 31, Wis. Stats., to set lake levels. In response to…
- Webpage
Recurring inspections by owners
In addition to the required consultant inspection and Wisconsin DNR decennial (every 10 years) inspections (high and significant hazard dams only), the owner of a dam should inspect their dam on a regular basis and after any high water event. The…