Fluoride in Montana Well Water

In Montana, fluoride levels average 1.969 mg/L, with a maximum recorded level of 9.771 mg/L. The EPA limit is 4 mg/L. Currently 11.6% of tested wells exceed this limit, affecting approximately 20,880 wells.

Testing for fluoride in Montana typically costs around $102. If treatment is needed, water treatment systems for fluoride cost approximately $899.

The risk level for fluoride in Montana is rated as moderate. The state average of 1.969 mg/L is 11.2% above the national average of 1.771 mg/L.