Arsenic in Oklahoma Well Water

In Oklahoma, arsenic levels average 6.189 ppb, with a maximum recorded level of 14.955 ppb. The EPA limit is 10 ppb. Currently 12.1% of tested wells exceed this limit, affecting approximately 26,620 wells.

Testing for arsenic in Oklahoma typically costs around $136. If treatment is needed, water treatment systems for arsenic cost approximately $2,463.

The risk level for arsenic in Oklahoma is rated as moderate. The state average of 6.189 ppb is 45.9% above the national average of 4.243 ppb.