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| High Risk Erosion Areas Digital Maps
Contact:
Penny Holt 517-373-1952
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High Risk Erosion Areas are those shorelands of the Great Lakes and connecting waters where recession of the zone of active erosion has been occurring at a long-term average rate of one foot or more per year, over a minimum period of 15 years. DEQ staff conducted the initial recession rate research between 1980 and 1986 in order to identify and designate High Risk Erosion Areas. Subsequently, staff began updating the recession rate studies on a county-by-county basis to account for changing coastal conditions. The recession rate data is used to calculate appropriate setback distances for coastal construction and is reflected on the maps in terms of 30-year and 60-year setbacks. A DEQ permit is required prior to construction in a High Risk Erosion Area. The MDEQ/USACE Joint Permit application is available at www.michigan.gov/jointpermit.
The general distribution of High Risk Erosion Areas is displayed in a statewide map in PDF format. For more detailed maps, refer to the individual township maps, which show the specific geographic boundaries of the High Risk Erosion Areas. Each township map page shows the spatial extent of the High Risk Erosion Areas within that township with corresponding 30-year and 60-year setbacks. For information about properties within city boundaries, please refer to the map for the nearest adjacent township. If, based on these maps, you are unable to determine whether your property is located in a High Risk Erosion Area contact the Land and Water Management Division at (517) 241-1515 for verification. You will be asked to provide the property's tax identification number and property location, including the county, township, and subdivision name, as well as the section and lot number.
Statewide
Alcona County
Alger County
Allegan County
Casco Township
Alpena County
Antrim County
Arenac County
| Arenac Township
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No High Risk Erosion Areas
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Au Gres Township
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No High Risk Erosion Areas
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Sims Township
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Standish Township
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No High Risk Erosion Areas
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Whitney Township
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Baraga County
Bay County
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Bangor Township
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Fraser Township
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No High Risk Erosion Areas
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Hampton Township
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No High Risk Erosion Areas
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Kawkawlin Township
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No High Risk Erosion Areas
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Pinconning Township
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No High Risk Erosion Areas
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Benzie County
Berrien County
Charlevoix County
| Charlevoix Township
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No High Risk Erosion Areas
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Hayes Township
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No High Risk Erosion Areas
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Norwood Township
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No High Risk Erosion Areas
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Cheboygan County
Chippewa County
Delta County
Emmet County
Gogebic County
Grand Traverse County
Houghton County
Huron County
| Caseville Township
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Fair Haven Township
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No High Risk Erosion Areas
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Gore Township
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No High Risk Erosion Areas
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Hume Township
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No High Risk Erosion Areas
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Huron Township
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No High Risk Erosion Areas
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Lake Township
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McKinley Township
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No High Risk Erosion Areas
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Pt. Aux Barques Township
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Pt. Austin Township
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Rubicon Township
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No High Risk Erosion Areas
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Sand Beach Township
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No High Risk Erosion Areas
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Sebewaing Township
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No High Risk Erosion Areas
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Sherman Township
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No High Risk Erosion Areas |
Iosco County
Keweenaw County
Leelanau County
Luce County
Mackinac County
| Bois Blanc Township
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No High Risk Erosion Areas
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Clark Township
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No High Risk Erosion Areas
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Doyle Township
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No High Risk Erosion Areas
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Garfield Township
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Hendricks Township
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No High Risk Erosion Areas
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Hudson Township
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No High Risk Erosion Areas
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Manistique Township
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No High Risk Erosion Areas
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Marquette Township
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No High Risk Erosion Areas
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Moran Township
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Mueller Township
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No High Risk Erosion Areas
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Newton Township
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St. Ignace Township
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No High Risk Erosion Areas
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Thompson Township
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Manistee County
Marquette County
Mason County
Menominee County
Muskegon County
Oceana County
Ontonagon County
Ottawa County
Presque Isle County
St. Clair County
Sanilac County
Schoolcraft County
| Doyle Township
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No High Risk Erosion Areas |
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Manistique Township
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No High Risk Erosion Areas |
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Mueller Township
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No High Risk Erosion Areas |
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Thompson Township
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Van Buren County
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