External Services
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Shoreline Erosion: Causes, Prevention, and Control Options
CAUSES OF EROSION Streams are continually downcutting into their valley, carrying sediments downstream particle by particle. The current moves from side to side, undercutting banks and causing the stream channel to meander. The ice of frozen lakes…
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Resources for Great Lakes Shoreline Erosion Control Projects
The Lake Michigan and Lake Superior shorelines are critically important spaces for fish and wildlife habitat and recreational use. Great Lakes shorelines have many coastal influences that make them more like oceans than our thousands of inland lakes…
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Designing and Permitting Great Lakes Erosion Control Structures
Material type and shape The type of material used can impact the longevity of a shore protection structure. Demolition debris like cinder blocks, concrete rubble and dirt are not acceptable materials since when they exposed to wave action and…
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Waterway Permits: Storm-Wave Height Calculator
NOTE: For best results, use Microsoft Internet Explorer browser version 8 or higher Follow these steps to obtain an accurate calculation of energy along your shoreline:
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Piers and Recreational Structures Permitting
NOTES ON WATERWAYS PERMITS For each project type below, if an exemption or a general permit is available, you will find a link to a checklist of requirements. If your project does not meet exemption eligibility criteria, review the general permit…
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Pier FAQ
These are questions that are frequently asked about pier requirements and regulations. They are provided to help you better understand what you need to do to ensure that you can continue to place your pier(s) on the water for many years to come.
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Beaver damage
When beavers create dams, flooding can result in large areas with deep standing water where once only shallow, slow-moving water existed. When this happens, plants and animals that are adapted to wetlands can appear quickly in the flooded area as…
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Navigability and Ordinary High Water Mark Determinations
DNR and Local Government Jurisdiction Navigable Waterway - A navigable waterway is defined through case law as any waterway that has a defined bed and bank, and on which it is possible to float a canoe or small watercraft on a recurring basis.…
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Waterway and wetland permits: part III - management of aquatic plants and algae in ponds
What You Need to Know: Application, Registration and Certification Water Quality Monitoring Putting it All Together Reference Material What you need to know: application, registration and certification In Wisconsin, a permit is required to…
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Waterway and wetland permits: part II - management of aquatic plants and algae in ponds
Maintaining a Pond Plants Happen The Toolbox for Plant and Algae Control Chemical Management Methods Mechanical Management Methods Physical Management Methods Biological Management Methods Maintaining a pond Ponds will grow…