Tested radon information for McHenry, IL
Radon is found in McHenry, IL as well as all over the United States.
Radon has been found in elevated levels in homes in McHenry, IL. No area of the country is free from risk. Indeed, two homes right next to each other in McHenry can have vastly different radon levels. Just because your neighbors house does not have an elevated level of radon does not mean that your house will have a low radon level. The only way to know if your home is under the EPA action level of 4 pCi/L is to test.
High levels of radon in homes usually come from the surrounding soil. Radon gas enters through cracks and openings, such as sump pump lids and plumbing features on the lower levels of your home. Hot spots include basements, first-floor rooms, and garages, but radon can be found anywhere in your house.
Radon Stats for McHenry, IL
Highest Reading Found in McHenry: 37.70 pCi/L
Average reading for McHenry, IL: 4.80 pCi/L