Chloride in Massachusetts Well Water

In Massachusetts, chloride levels average 70.066 mg/L, with a maximum recorded level of 271.489 mg/L. The EPA limit is 250 mg/L. Currently 7.9% of tested wells exceed this limit, affecting approximately 33,180 wells.

Testing for chloride in Massachusetts typically costs around $150. If treatment is needed, water treatment systems for chloride cost approximately $3,708.

The risk level for chloride in Massachusetts is rated as low. The state average of 70.066 mg/L is 39.0% below the national average of 114.869 mg/L.