Chloride in Hawaii Well Water

In Hawaii, chloride levels average 125.52 mg/L, with a maximum recorded level of 314.293 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 chloride in Hawaii typically costs around $130. If treatment is needed, water treatment systems for chloride cost approximately $2,978.

The risk level for chloride in Hawaii is rated as low. The state average of 125.52 mg/L is 9.3% above the national average of 114.869 mg/L.