Iron in Illinois Well Water

In Illinois, iron levels average 0.156 mg/L, with a maximum recorded level of 0.516 mg/L. The EPA limit is 0.3 mg/L. Currently 3.9% of tested wells exceed this limit, affecting approximately 17,550 wells.

Testing for iron in Illinois typically costs around $72. If treatment is needed, water treatment systems for iron cost approximately $265.

The risk level for iron in Illinois is rated as low. The state average of 0.156 mg/L is 20.0% above the national average of 0.130 mg/L.