Radon in Delaware Well Water

In Delaware, radon levels average 188.476 pCi/L, with a maximum recorded level of 413.485 pCi/L. The EPA limit is 300 pCi/L. Currently 4.9% of tested wells exceed this limit, affecting approximately 4,165 wells.

Testing for radon in Delaware typically costs around $79. If treatment is needed, water treatment systems for radon cost approximately $1,027.

The risk level for radon in Delaware is rated as low. The state average of 188.476 pCi/L is 36.5% above the national average of 138.042 pCi/L.