| Impact ID | 6613 |
| Impact Type | Disease/Parasites/Toxicity |
| Study Type | Anecdotal |
| Study Location | N/A |
| Impact Description | Areas of stagnant water caused by dense stands of Trapa natans create breeding grounds for mosquitoes. |
| Reference | 15733 |
| Great Lakes Region | No |
| Cost | |
| Location | |
