Water Hardness in North Dakota Well Water

In North Dakota, water hardness levels average 188.64 mg/L CaCO3, with a maximum recorded level of 483.98 mg/L CaCO3. The EPA limit is 180 mg/L CaCO3. Currently 10.8% of tested wells exceed this limit, affecting approximately 7,020 wells.

Testing for water hardness in North Dakota typically costs around $28. If treatment is needed, water treatment systems for water hardness cost approximately $692.

The risk level for water hardness in North Dakota is rated as moderate. The state average of 188.64 mg/L CaCO3 is 36.5% above the national average of 138.229 mg/L CaCO3.