Nitrate in Ohio Well Water

In Ohio, nitrate levels average 6.693 mg/L, with a maximum recorded level of 33.045 mg/L. The EPA limit is 10 mg/L. Currently 14.4% of tested wells exceed this limit, affecting approximately 97,920 wells.

Testing for nitrate in Ohio typically costs around $87. If treatment is needed, water treatment systems for nitrate cost approximately $478.

The risk level for nitrate in Ohio is rated as moderate. The state average of 6.693 mg/L is 54.5% above the national average of 4.332 mg/L.