Tested radon information for Johnsburg, IL
Radon is found in Johnsburg, IL as well as all over the United States.
Radon has been found in elevated levels in homes in Johnsburg, IL. No area of the country is free from risk. Indeed, two homes right next to each other in Johnsburg 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 Johnsburg, IL
Highest Reading Found in Johnsburg: 38.70 pCi/L
Average reading for Johnsburg, IL: 5.20 pCi/L