Water Hardness in North Carolina Well Water

In North Carolina, water hardness levels average 183.67 mg/L CaCO3, with a maximum recorded level of 436.15 mg/L CaCO3. The EPA limit is 180 mg/L CaCO3. Currently 18.8% of tested wells exceed this limit, affecting approximately 172,960 wells.

Testing for water hardness in North Carolina typically costs around $31. If treatment is needed, water treatment systems for water hardness cost approximately $1,947.

The risk level for water hardness in North Carolina is rated as high. The state average of 183.67 mg/L CaCO3 is 32.9% above the national average of 138.229 mg/L CaCO3.