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GLARO GIS: NWI Update

The National Wetland Inventory update orchestrated by DU's Great Lakes/Atlantic Regional Office
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What is the NWI?

In consultation with the U.S. Fish and Wildlife Service and state governments, Ducks Unlimited is working to update the National Wetlands Inventory (NWI) for the states in its Great Lakes/Atlantic Region. The update utilizes recent imagery to revise the original NWI to represent the region's current inventory of wetlands more accurately. The updated NWI will reflect trends of wetland losses while providing a valuable planning tool for the future.

More Information


Click here to download NWI Update dataClick here to access Field Verification Forms

Update Status

Updates to the NWI are progressing county by county. You may review the status of individual counties using the map viewer. Please click on the image below to access it:

 Click here to use the NWI Map Viewer

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How can you help?

Field Verification - Ducks Unlimited needs help verifying the accuracy of the updated NWI. Volunteers will be asked to visit wetlands, determine their types and photograph them. All necessary materials will be provided. If you're able to assist, please contact Robb Macleod at (734) 623-2000 or rmacleod@ducks.org.

Funding - As updating the NWI is a large and demanding endeavor, Ducks Unlimited is seeking funding to lessen its financial burden. If your organization is willing to share the costs associated with the update, please contact Robb Macleod at (734) 623-2000 or rmacleod@ducks.org.

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Who has contributed to the NWI update?

Ducks Unlimited works with a number of organizations and government agencies in updating the NWI. A list of cooperators by state is provided below:

Illinois
U.S. Fish and Wildlife Service
U.S. Environmental Protection Agency, Great Lakes National Program Office
Illinois Environmental Protection Agency
Illinois Department of Natural Resources
Illinois Natural History Survey
Sierra Club
Audubon Society
Prairie Rivers Network

Indiana
Indiana Department of Environmental Management
The Duke Energy Foundation
U.S. Environmental Protection Agency, Great Lakes National Program Office

Michigan
U.S. Environmental Protection Agency, Great Lakes National Program Office
Michigan Department of Environmental Quality
Michigan Department of Environmental Quality - Coastal Zone Management Program
U.S. Fish and Wildlife Service

Ohio
Ohio Department of Natural Resources: Division of Wildlife
Ohio Department of Natural Resources: Information Technology
Ohio Department of Natural Resources: Office of Coastal Management
Ohio Environmental Protection Agency
Ohio Department of Transportation
Lake Erie Commission
U.S. Department of Agriculture, Ohio Natural Resources Conservation Service
U.S. Fish and Wildlife Service, Great Lakes Coastal Program
Cleveland Museum of Natural History
Cleveland Metroparks
The Nature Conservancy

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