"No Discharge Zones" in Michigan

As of January 15, 1976 Michigan waters of Lake Michigan, Huron, Superior, Erie and St. Clair and all waterways connected thereto, and all inland lakes were designated as “No Discharge Zones”. This decision was made pursuant to section 312(f) (3) of Pub. L. 92-500.

Click here for larger Map of No Discharge Zones in Michigan
(1 p., 533 KB, about PDF)

This map should not be used as a navigation aid.

Related Links:

For Harbor information see: Michigan Department of Natural Resources

Michigan Boating Safety Handbook

For state regulatory language and information see: Part 95 Watercraft Pollution Control