Arsenic in Wyoming Well Water

In Wyoming, arsenic levels average 2.867 ppb, with a maximum recorded level of 13.322 ppb. The EPA limit is 10 ppb. Currently 4.0% of tested wells exceed this limit, affecting approximately 3,400 wells.

Testing for arsenic in Wyoming typically costs around $141. If treatment is needed, water treatment systems for arsenic cost approximately $2,000.

The risk level for arsenic in Wyoming is rated as low. The state average of 2.867 ppb is 32.4% below the national average of 4.243 ppb.