Arsenic in Minnesota Well Water

In Minnesota, arsenic levels average 3.992 ppb, with a maximum recorded level of 15.293 ppb. The EPA limit is 10 ppb. Currently 6.7% of tested wells exceed this limit, affecting approximately 34,840 wells.

Testing for arsenic in Minnesota typically costs around $146. If treatment is needed, water treatment systems for arsenic cost approximately $4,621.

The risk level for arsenic in Minnesota is rated as low. The state average of 3.992 ppb is 5.9% below the national average of 4.243 ppb.