| Impact ID | 8238 |
| Impact Type | Environmental Water Quality |
| Study Type | Observational |
| Study Location | Field |
| Impact Description | Lake Michigan water transparency, which ranged from 74-85% at deepwater sites in 2001, increased to 94-96% in 2008 following quagga mussel (Dreissena bugensis) expansion |
| Reference | 24627 |
| Cost | |
| Location | Lake Michigan, USA |