Water Hardness in Missouri Well Water

In Missouri, water hardness levels average 91.81 mg/L CaCO3, with a maximum recorded level of 199.72 mg/L CaCO3. The EPA limit is 180 mg/L CaCO3. Currently 4.3% of tested wells exceed this limit, affecting approximately 18,060 wells.

Testing for water hardness in Missouri typically costs around $126. If treatment is needed, water treatment systems for water hardness cost approximately $3,157.

The risk level for water hardness in Missouri is rated as low. The state average of 91.81 mg/L CaCO3 is 33.6% below the national average of 138.229 mg/L CaCO3.