| Impact ID | 4041 |
| Impact Type | Navigation |
| Study Type | Observational |
| Study Location | N/A |
| Impact Description | Hulls of boats and ships are encrusted and heavy with zebra mussels to where navigation is negatively impacted. |
| Reference | 14768 |
| Great Lakes Region | Yes |
| Cost | |
| Location | Lake St. Clair |