Nitrate in Oklahoma Well Water

In Oklahoma, nitrate levels average 3.285 mg/L, with a maximum recorded level of 13.265 mg/L. The EPA limit is 10 mg/L. Currently 6.4% of tested wells exceed this limit, affecting approximately 14,080 wells.

Testing for nitrate in Oklahoma typically costs around $97. If treatment is needed, water treatment systems for nitrate cost approximately $1,472.

The risk level for nitrate in Oklahoma is rated as low. The state average of 3.285 mg/L is 24.2% below the national average of 4.332 mg/L.