Nitrate in Virginia Well Water

In Virginia, nitrate levels average 3.563 mg/L, with a maximum recorded level of 10.242 mg/L. The EPA limit is 10 mg/L. Currently 11.0% of tested wells exceed this limit, affecting approximately 93,500 wells.

Testing for nitrate in Virginia typically costs around $131. If treatment is needed, water treatment systems for nitrate cost approximately $4,540.

The risk level for nitrate in Virginia is rated as moderate. The state average of 3.563 mg/L is 17.7% below the national average of 4.332 mg/L.