About Radon Levels in Mariposa County
Local News
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 Mariposa County may be available through this website.
State Radon Officer
Natalia Deardorff(800) 745-7236
(916) 716-3679
Radon Program(Indoor Radon)
PO Box 997377
Sacramento CA, 95899