Nitrate in Rhode Island Well Water

In Rhode Island, nitrate levels average 3.997 mg/L, with a maximum recorded level of 12.728 mg/L. The EPA limit is 10 mg/L. Currently 10.2% of tested wells exceed this limit, affecting approximately 6,630 wells.

Testing for nitrate in Rhode Island typically costs around $31. If treatment is needed, water treatment systems for nitrate cost approximately $2,068.

The risk level for nitrate in Rhode Island is rated as moderate. The state average of 3.997 mg/L is 7.7% below the national average of 4.332 mg/L.