Radon in Maryland Well Water

In Maryland, radon levels average 151.402 pCi/L, with a maximum recorded level of 673.793 pCi/L. The EPA limit is 300 pCi/L. Currently 9.6% of tested wells exceed this limit, affecting approximately 46,080 wells.

Testing for radon in Maryland typically costs around $75. If treatment is needed, water treatment systems for radon cost approximately $3,913.

The risk level for radon in Maryland is rated as moderate. The state average of 151.402 pCi/L is 9.7% above the national average of 138.042 pCi/L.