About Radon Levels in Big Horn County

Local News

Radon Risk Chart for Big Horn 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 Big Horn County may be available through this website.

State Radon Officer

Michael L Gustafson
(800) 546-0483
(406) 444-6592
DEQ Headquarters
1520 E 6th Avenue
Helena MT, 59601