Water Hardness in Montana Well Water

In Montana, water hardness levels average 68.18 mg/L CaCO3, with a maximum recorded level of 132.44 mg/L CaCO3. The EPA limit is 180 mg/L CaCO3. Currently 4.8% of tested wells exceed this limit, affecting approximately 8,640 wells.

Testing for water hardness in Montana typically costs around $113. If treatment is needed, water treatment systems for water hardness cost approximately $4,560.

The risk level for water hardness in Montana is rated as low. The state average of 68.18 mg/L CaCO3 is 50.7% below the national average of 138.229 mg/L CaCO3.