Sulfate in Wisconsin Well Water

In Wisconsin, sulfate levels average 36.335 mg/L, with a maximum recorded level of 86.094 mg/L. The EPA limit is 250 mg/L. Currently 9.7% of tested wells exceed this limit, affecting approximately 75,660 wells.

Testing for sulfate in Wisconsin typically costs around $63. If treatment is needed, water treatment systems for sulfate cost approximately $1,030.

The risk level for sulfate in Wisconsin is rated as moderate. The state average of 36.335 mg/L is 67.4% below the national average of 111.500 mg/L.