Water Hardness in Colorado Well Water

In Colorado, water hardness levels average 160.13 mg/L CaCO3, with a maximum recorded level of 338.74 mg/L CaCO3. The EPA limit is 180 mg/L CaCO3. Currently 13.4% of tested wells exceed this limit, affecting approximately 46,900 wells.

Testing for water hardness in Colorado typically costs around $143. If treatment is needed, water treatment systems for water hardness cost approximately $4,071.

The risk level for water hardness in Colorado is rated as moderate. The state average of 160.13 mg/L CaCO3 is 15.8% above the national average of 138.229 mg/L CaCO3.