Manganese in Hawaii Well Water

In Hawaii, manganese levels average 22.499 ppb, with a maximum recorded level of 90.991 ppb. The EPA limit is 50 ppb. Currently 6.3% of tested wells exceed this limit, affecting approximately 7,560 wells.

Testing for manganese in Hawaii typically costs around $52. If treatment is needed, water treatment systems for manganese cost approximately $2,981.

The risk level for manganese in Hawaii is rated as low. The state average of 22.499 ppb is 2.9% above the national average of 21.866 ppb.