Mercury in Hawaii Well Water

In Hawaii, mercury levels average 1.298 ppb, with a maximum recorded level of 5.985 ppb. The EPA limit is 2 ppb. Currently 1.2% of tested wells exceed this limit, affecting approximately 1,440 wells.

Testing for mercury in Hawaii typically costs around $87. If treatment is needed, water treatment systems for mercury cost approximately $1,289.

The risk level for mercury in Hawaii is rated as minimal. The state average of 1.298 ppb is 40.6% above the national average of 0.923 ppb.