Water Hardness in Michigan Well Water

In Michigan, water hardness levels average 137.15 mg/L CaCO3, with a maximum recorded level of 311.71 mg/L CaCO3. The EPA limit is 180 mg/L CaCO3. Currently 19.8% of tested wells exceed this limit, affecting approximately 217,800 wells.

Testing for water hardness in Michigan typically costs around $38. If treatment is needed, water treatment systems for water hardness cost approximately $3,319.

The risk level for water hardness in Michigan is rated as high. The state average of 137.15 mg/L CaCO3 is 0.8% below the national average of 138.229 mg/L CaCO3.