Nitrate in Tennessee Well Water

In Tennessee, nitrate levels average 5.01 mg/L, with a maximum recorded level of 11.89 mg/L. The EPA limit is 10 mg/L. Currently 5.5% of tested wells exceed this limit, affecting approximately 23,100 wells.

Testing for nitrate in Tennessee typically costs around $116. If treatment is needed, water treatment systems for nitrate cost approximately $3,929.

The risk level for nitrate in Tennessee is rated as low. The state average of 5.01 mg/L is 15.7% above the national average of 4.332 mg/L.