| Impact ID | 8745 |
| Impact Type | Recreation |
| Study Type | Anecdotal |
| Study Location | N/A |
| Impact Description | Even with control efforts, large infestations of Myriophyllum spicatum (Eurasian watermilfoil) can severely limit recreational activities such as boating, fishing, swimming, and/or waterfowl hunting. |
| Reference | 35275 |
| Great Lakes Region | No |
| Cost | |
| Location | |
