Water Hardness in Ohio Well Water

In Ohio, water hardness levels average 86.82 mg/L CaCO3, with a maximum recorded level of 154.91 mg/L CaCO3. The EPA limit is 180 mg/L CaCO3. Currently 1.4% of tested wells exceed this limit, affecting approximately 9,520 wells.

Testing for water hardness in Ohio typically costs around $46. If treatment is needed, water treatment systems for water hardness cost approximately $1,062.

The risk level for water hardness in Ohio is rated as minimal. The state average of 86.82 mg/L CaCO3 is 37.2% below the national average of 138.229 mg/L CaCO3.