Iron County, Wisconsin
Condition has remained stable; water is not impaired.
NotesGile Flowage was impaired for mercury in fish tissue from 1998 to 2014. Gile Flowage was evaluated in the 2022 cycle; phosphorus data indicated a healthy system. This lake is on the Healthy Waters List.
Impaired Water Notes
New data confirms that the statewide advisory is sufficient because mercury concentrations fall in the range of the general advisory so this lake is proposed for delisting.