Copper in Maryland Well Water

In Maryland, copper levels average 0.886 mg/L, with a maximum recorded level of 2.423 mg/L. The EPA limit is 1.3 mg/L. Currently 6.9% of tested wells exceed this limit, affecting approximately 33,120 wells.

Testing for copper in Maryland typically costs around $139. If treatment is needed, water treatment systems for copper cost approximately $942.

The risk level for copper in Maryland is rated as low. The state average of 0.886 mg/L is 52.5% above the national average of 0.581 mg/L.