| Impact ID | 7061 |
| Impact Type | Commerce |
| Study Type | Observational |
| Study Location | Field |
| Impact Description | Boat marinas have been reported closed for extended periods on the Potomac River, Virginia; Lake Okeechobee, Florida; Santee Cooper Reservoirs, South Carolina; and Clear Lake, California due to Hydrilla verticillata. |
| Reference | 28606 |
| Cost | |
| Location | |