Arsenic in Iowa Well Water

In Iowa, arsenic levels average 7.532 ppb, with a maximum recorded level of 20.275 ppb. The EPA limit is 10 ppb. Currently 17.4% of tested wells exceed this limit, affecting approximately 50,460 wells.

Testing for arsenic in Iowa typically costs around $96. If treatment is needed, water treatment systems for arsenic cost approximately $3,251.

The risk level for arsenic in Iowa is rated as high. The state average of 7.532 ppb is 77.5% above the national average of 4.243 ppb.