Nitrate in Oregon Well Water

In Oregon, nitrate levels average 2.192 mg/L, with a maximum recorded level of 10.74 mg/L. The EPA limit is 10 mg/L. Currently 5.0% of tested wells exceed this limit, affecting approximately 17,500 wells.

Testing for nitrate in Oregon typically costs around $28. If treatment is needed, water treatment systems for nitrate cost approximately $2,475.

The risk level for nitrate in Oregon is rated as low. The state average of 2.192 mg/L is 49.4% below the national average of 4.332 mg/L.