Nitrate in North Carolina Well Water

In North Carolina, nitrate levels average 6.092 mg/L, with a maximum recorded level of 18.995 mg/L. The EPA limit is 10 mg/L. Currently 13.9% of tested wells exceed this limit, affecting approximately 127,880 wells.

Testing for nitrate in North Carolina typically costs around $100. If treatment is needed, water treatment systems for nitrate cost approximately $3,148.

The risk level for nitrate in North Carolina is rated as moderate. The state average of 6.092 mg/L is 40.6% above the national average of 4.332 mg/L.