Sulfate in Rhode Island Well Water

In Rhode Island, sulfate levels average 150.836 mg/L, with a maximum recorded level of 475.111 mg/L. The EPA limit is 250 mg/L. Currently 2.5% of tested wells exceed this limit, affecting approximately 1,625 wells.

Testing for sulfate in Rhode Island typically costs around $138. If treatment is needed, water treatment systems for sulfate cost approximately $1,800.

The risk level for sulfate in Rhode Island is rated as minimal. The state average of 150.836 mg/L is 35.3% above the national average of 111.500 mg/L.