Arsenic in Maine Well Water

In Maine, arsenic levels average 4.595 ppb, with a maximum recorded level of 16.078 ppb. The EPA limit is 10 ppb. Currently 11.2% of tested wells exceed this limit, affecting approximately 35,840 wells.

Testing for arsenic in Maine typically costs around $85. If treatment is needed, water treatment systems for arsenic cost approximately $3,833.

The risk level for arsenic in Maine is rated as moderate. The state average of 4.595 ppb is 8.3% above the national average of 4.243 ppb.