Mercury in Maryland Well Water

In Maryland, mercury levels average 0.59 ppb, with a maximum recorded level of 2.464 ppb. The EPA limit is 2 ppb. Currently 3.5% of tested wells exceed this limit, affecting approximately 16,800 wells.

Testing for mercury in Maryland typically costs around $118. If treatment is needed, water treatment systems for mercury cost approximately $3,923.

The risk level for mercury in Maryland is rated as low. The state average of 0.59 ppb is 36.1% below the national average of 0.923 ppb.