Fluoride in Minnesota Well Water

In Minnesota, fluoride levels average 3.038 mg/L, with a maximum recorded level of 6.963 mg/L. The EPA limit is 4 mg/L. Currently 10.6% of tested wells exceed this limit, affecting approximately 55,120 wells.

Testing for fluoride in Minnesota typically costs around $114. If treatment is needed, water treatment systems for fluoride cost approximately $2,497.

The risk level for fluoride in Minnesota is rated as moderate. The state average of 3.038 mg/L is 71.5% above the national average of 1.771 mg/L.