Nitrate in Pennsylvania Well Water

In Pennsylvania, nitrate levels average 6.714 mg/L, with a maximum recorded level of 26.799 mg/L. The EPA limit is 10 mg/L. Currently 8.0% of tested wells exceed this limit, affecting approximately 144,000 wells.

Testing for nitrate in Pennsylvania typically costs around $127. If treatment is needed, water treatment systems for nitrate cost approximately $3,996.

The risk level for nitrate in Pennsylvania is rated as low. The state average of 6.714 mg/L is 55.0% above the national average of 4.332 mg/L.