Burnett County, Wisconsin
Condition has remained stable; water is not impaired.
NotesJohnson Lake was listed as impaired for mercury in fish tissue from 1998 to 2018. Johnson Lake was evaluated every two-year cycle from 2012 to 2022; phosphorus and algae data indicated a healthy system. This lake is on the Healthy Waters List.
Impaired Water Notes
Fish tissue data indicates that this waterbody no longer needs a specific fish consumption advice for Mercury. This water should have its Mercury listing removed. Based on fish tissue data it should have been removed in 2010.