| Impact ID | 8860 |
| Impact Type | Recreation |
| Study Type | Anecdotal |
| Study Location | N/A |
| Impact Description | Dense colonies of curlyleaf pondweed (Potamogeton crispus) can restrict access to docks and fishing areas until July, when the plants die back. |
| Reference | 35289 |
| Great Lakes Region | No |
| Cost | |
| Location | |
