| Impact ID | 7045 |
| Impact Type | Water Quality |
| Study Type | Observational |
| Study Location | Field |
| Impact Description | Hydrilla verticillata has been shown to alter the physical and chemical characteristics of lakes. Stratification of the water column, decreased oxygen levels, and fish kills have been documented. |
| Reference | 10509 |
| Great Lakes Region | No |
| Cost | |
| Location | Louisiana |