State Radon Officer

Randy Maley
(573) 751-6160

About Radon Levels
in Jefferson County

The average national indoor radon level is 1.3 pCi/L. (What is a picocurie?)
The average indoor radon levels of Jefferson County, as determined by radon test results from Air Chek, Inc, is 5.5 pCi/L

Radon Risk chart for Jefferson County

   Results under 2 pCi/L

   Results between 2 and 3.9 pCi/L

   Results 4 pCi/L and above

Jefferson County also has radon information available online on it's website.
Additional information about radon levels in Jefferson County may be available through this website