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Public comment period for Great Lakes Castings LLC

2026-08-06T08:00:00 2026-09-10T23:30:00 Public comment period for Great Lakes Castings LLC

EGLE is holding a public comment period regarding Great Lakes Castings LLC from August 6, 2026 to September 10, 2026, with an if requested virtual public hearing on September 8, 2026. 

Air permit application package No. PKG-0001174 is a request to modify the exhaust configuration of their existing Hunter Line sand handling system. 

How to submit a public comment

Interested individuals may provide verbal comments during a public hearing. However, this is not the only way to tell us what you think. Submitting a comment online through MiEnviro Portal is the most convenient format.

The link to submit a comment will be available starting on August 6.

You can also submit comments by:

  • Email. Send your comment to EGLE-AQD-PTIPublicComments@Michigan.gov. Include the company name in your subject line.
  • Mail. Send your written comment to EGLE, Air Quality Division, Permit Section, P.O. Box 30260, Lansing, Michigan 48909-7760.
  • Phone. Leave us a voicemail comment by calling 517-284-0900.
  • Verbally. At a public hearing, if held (in person or online).

Attachments

If attaching files, please note:

  • File attachments are limited to 15 MB maximum
  • The following file types cannot be submitted: batch or executable files, files with embedded macros, and Microsoft Access databases.

About public comments

Comments from the public can influence a final permit decision. These resources may help you better understand how public comment periods are planned and how you can have meaningful participation in the air permitting process. 

Types of documents associated with air permits

  • Proposed Project Summary: Provides a brief overview of the proposed project.
  • Technical Fact Sheet: Includes the technical evaluation of the permit application and how the proposed project meets the regulations that apply.
  • Notice of Hearing: Legal notice for the comment period.
  • Proposed Permit Terms and Conditions: Includes the proposed permit requirements based on a thorough review of the application.
  • Interested Party Letter: People who have indicated their interest in this facility are notified comment period has started.
  • Company Letter: Informs that the public comment period has started.
Event Date

Start: August 06, 2026 8:00 AM

End: September 10, 2026 11:30 PM

EGLE is holding a public comment period regarding Great Lakes Castings LLC from August 6, 2026 to September 10, 2026, with an if requested virtual public hearing on September 8, 2026. 

Air permit application package No. PKG-0001174 is a request to modify the exhaust configuration of their existing Hunter Line sand handling system. 

How to submit a public comment

Interested individuals may provide verbal comments during a public hearing. However, this is not the only way to tell us what you think. Submitting a comment online through MiEnviro Portal is the most convenient format.

The link to submit a comment will be available starting on August 6.

You can also submit comments by:

  • Email. Send your comment to EGLE-AQD-PTIPublicComments@Michigan.gov. Include the company name in your subject line.
  • Mail. Send your written comment to EGLE, Air Quality Division, Permit Section, P.O. Box 30260, Lansing, Michigan 48909-7760.
  • Phone. Leave us a voicemail comment by calling 517-284-0900.
  • Verbally. At a public hearing, if held (in person or online).

Attachments

If attaching files, please note:

  • File attachments are limited to 15 MB maximum
  • The following file types cannot be submitted: batch or executable files, files with embedded macros, and Microsoft Access databases.

About public comments

Comments from the public can influence a final permit decision. These resources may help you better understand how public comment periods are planned and how you can have meaningful participation in the air permitting process. 

Types of documents associated with air permits

  • Proposed Project Summary: Provides a brief overview of the proposed project.
  • Technical Fact Sheet: Includes the technical evaluation of the permit application and how the proposed project meets the regulations that apply.
  • Notice of Hearing: Legal notice for the comment period.
  • Proposed Permit Terms and Conditions: Includes the proposed permit requirements based on a thorough review of the application.
  • Interested Party Letter: People who have indicated their interest in this facility are notified comment period has started.
  • Company Letter: Informs that the public comment period has started.
Learn more about air quality public notices