# Michigan — Dam safety hazard classification, inspection frequency, and owner obligations by US state

For Michigan, hazard classification is Low; classification criteria is Dams that are over six feet in height and impound five acres or more; inspection frequency is every 5 years; mandatory is yes; inspector qualification is professional engineer licensed in Michigan, recorded from its source on 2026-08-16.

- **State:** Michigan
- **Hazard classification:** Low _(verified: appears in the quote below)_
- **Classification criteria:** Dams that are over six feet in height and impound five acres or more
- **Inspection frequency:** every 5 years
- **Mandatory:** yes
- **Inspector qualification:** professional engineer licensed in Michigan
- **Statute:** Part 315, Dam Safety, Natural Resources and Environmental Protection Act, 1994 PA 451

## What the source says

> Low hazard dams require an inspection report to be submitted every five years.

## Source

- https://www.michigan.gov/egle/about/organization/water-resources/dam-safety/rules-regs

Last verified: 2026-08-16. Review by: 2027-08-16.
Part of [Dam safety hazard classification, inspection frequency, and owner obligations by US state](https://referencesource.org/state-dam-safety-classification/).