Dams
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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…
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Owner responsible professional inspections
Dam inspection by consultants: Dam safety inspections that consulting engineers perform on behalf of dam owners will include file research, a visual inspection of the dam and documentation of the inspection. Consulting engineers will need to…
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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…
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Indianford Dam background
Lake Koshkonong is over 10,460 acres in surface area and is located in Jefferson, Dane and Rock counties. The Indianford Dam impounds Lake Koshkonong. The dam is located more than 5 miles downstream of the lake in Rock County. Water level…
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Lake Koshkonong and the Indianford Dam
The Department of Natural Resources has decision-making authority under Chapter 31, Wis. Stats., to set lake levels. In response to the March 8, 2019 petition, the DNR will review the Rock Koshkonong Lake District (RKLD) request to modify Lake…
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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.
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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…
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Directory of Consultants and Contractors
Directory of consultants and contractors is a resource that dam owners can use when contacting engineers/contractors for dam inspections, maintenance and repairs, hydrology and hydraulic analyses.
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Dam abandonment and removal
Dams do not last forever. Dam records indicated that approximately 900 dams that were built on rivers in the state have been removed. Economic, social, legal and environmental factors all play a significant role in the decision whether to maintain…