About Radon Levels in Lake County

The average national indoor radon level is 1.3 pCi/L. (FAQ: What is a picocurie?)

The average indoor radon levels of Lake County, as determined by radon test results from Air Chek, is 10.7 pCi/L

Local News

Radon Risk Chart for Lake County


    Results under 2 pCi/L

    Results between 2 and 3.9 pCi/L

    Results 4 pCi/L and above


Check Your Own Radon Levels!


Additional information about radon levels in Lake County may be available through this website.


State Radon Officer

Kyle Heimerl
(800) 438-3367
(605) 773-3151
SD DENR/AQ
523 E. Capitol
Pierre SD, 57501

Radon Resources