Sulfate in Hawaii Well Water

In Hawaii, sulfate levels average 110.519 mg/L, with a maximum recorded level of 275.769 mg/L. The EPA limit is 250 mg/L. Currently 6.1% of tested wells exceed this limit, affecting approximately 7,320 wells.

Testing for sulfate in Hawaii typically costs around $109. If treatment is needed, water treatment systems for sulfate cost approximately $4,155.

The risk level for sulfate in Hawaii is rated as low. The state average of 110.519 mg/L is 0.9% below the national average of 111.500 mg/L.