Iron in Hawaii Well Water

In Hawaii, iron levels average 0.151 mg/L, with a maximum recorded level of 0.584 mg/L. The EPA limit is 0.3 mg/L. Currently 8.3% of tested wells exceed this limit, affecting approximately 9,960 wells.

Testing for iron in Hawaii typically costs around $103. If treatment is needed, water treatment systems for iron cost approximately $1,625.

The risk level for iron in Hawaii is rated as moderate. The state average of 0.151 mg/L is 16.2% above the national average of 0.130 mg/L.