Nitrate in Massachusetts Well Water

In Massachusetts, nitrate levels average 2.814 mg/L, with a maximum recorded level of 8.062 mg/L. The EPA limit is 10 mg/L. Currently 0.8% of tested wells exceed this limit, affecting approximately 3,360 wells.

Testing for nitrate in Massachusetts typically costs around $127. If treatment is needed, water treatment systems for nitrate cost approximately $2,262.

The risk level for nitrate in Massachusetts is rated as minimal. The state average of 2.814 mg/L is 35.0% below the national average of 4.332 mg/L.