Sulfate in South Dakota Well Water

In South Dakota, sulfate levels average 61.699 mg/L, with a maximum recorded level of 183.268 mg/L. The EPA limit is 250 mg/L. Currently 12.5% of tested wells exceed this limit, affecting approximately 9,375 wells.

Testing for sulfate in South Dakota typically costs around $65. If treatment is needed, water treatment systems for sulfate cost approximately $3,351.

The risk level for sulfate in South Dakota is rated as moderate. The state average of 61.699 mg/L is 44.7% below the national average of 111.500 mg/L.