| Impact ID | 7049 |
| Impact Type | Habitat Alteration |
| Study Type | Anecdotal |
| Study Location | N/A |
| Impact Description | Hydrilla verticillata infestations slow the movement of water, causing flooding. Infestations in the Mobile Delta are reducing flow in small tidal streams and creating a backwater habitat. |
| Reference | 42111 |
| Great Lakes Region | No |
| Cost | |
| Location | |
