| Impact ID | 7062 |
| Impact Type | Recreation |
| Study Type | Observational |
| Study Location | Field |
| Impact Description | Hydrilla verticillata seriously impedes recreational and commercial boating and prevents swimming and fishing; major infestations limit weight and size of sport fishes. |
| Reference | 10511 |
| Cost | |
| Location | Lake Wales, Polk County, Florida |