Water Hardness in Idaho Well Water

In Idaho, water hardness levels average 105.42 mg/L CaCO3, with a maximum recorded level of 292.68 mg/L CaCO3. The EPA limit is 180 mg/L CaCO3. Currently 1.4% of tested wells exceed this limit, affecting approximately 3,920 wells.

Testing for water hardness in Idaho typically costs around $139. If treatment is needed, water treatment systems for water hardness cost approximately $3,508.

The risk level for water hardness in Idaho is rated as minimal. The state average of 105.42 mg/L CaCO3 is 23.7% below the national average of 138.229 mg/L CaCO3.