| Impact ID | 6600 |
| Impact Type | Water Quality |
| Study Type | Anecdotal |
| Study Location | N/A |
| Impact Description | Restoration efforts are difficult as extirpation of established species such as common carp can be unfeasible and costly. Restoration through exclusion with physical barriers in Hamilton Harbor, Ontario, Canada has led to improvements in water quality. |
| Reference | 24253 |
| Cost | |
| Location | Hamilton Harbor, Ontario, Canada |