Copper in Montana Well Water

In Montana, copper levels average 0.629 mg/L, with a maximum recorded level of 2.871 mg/L. The EPA limit is 1.3 mg/L. Currently 11.7% of tested wells exceed this limit, affecting approximately 21,060 wells.

Testing for copper in Montana typically costs around $52. If treatment is needed, water treatment systems for copper cost approximately $3,037.

The risk level for copper in Montana is rated as moderate. The state average of 0.629 mg/L is 8.3% above the national average of 0.581 mg/L.