Arsenic in Ohio Well Water

In Ohio, arsenic levels average 1.631 ppb, with a maximum recorded level of 6.505 ppb. The EPA limit is 10 ppb. Currently 2.5% of tested wells exceed this limit, affecting approximately 17,000 wells.

Testing for arsenic in Ohio typically costs around $59. If treatment is needed, water treatment systems for arsenic cost approximately $1,993.

The risk level for arsenic in Ohio is rated as minimal. The state average of 1.631 ppb is 61.6% below the national average of 4.243 ppb.