| Impact ID | 5711 |
| Impact Type | Recreation |
| Study Type | Anecdotal |
| Study Location | N/A |
| Impact Description | Butomus umbellatus can prevent and/or impede aquatic recreation as it can form dense mats of both emergent and submergent vegetation in water depths of less than 10 feet. |
| Reference | 5162 |
| Great Lakes Region | No |
| Cost | |
| Location | |
