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Updated webpage provides interactive map tool for Supplemental Environmental Projects

Screenshot of Supplemental Environmental Project webpageThe Michigan Department of Environment, Great Lakes and Energy's Air Quality Division has updated its Supplemental Environmental Project (SEP) webpage to include an interactive map tool.

A SEP can be part of an enforcement action where a company engages in a project having the potential to create improvements in environmental quality and public health for Michigan citizens. These projects can promote an atmosphere of cooperation between a company and the affected community that benefits from the projects. The interactive map shows completed and in-progress SEPs.

This tool can be used by citizens and companies to view what types of projects have been approved in the past. The tool is useful for community leaders wanting to participate in discussions with companies about potential SEPs as part of an enforcement action.

  • For each SEP, the tool shows:
  • The location
  • A description of the SEP
  • The type of project
  • The responsible company
  • A link to the legal document (if available)
  • A link to an informational website (if available)

If you have questions about SEPs or the tool, visit the SEP webpage or contact Erin Moran at

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