The purpose of these maps are to assist National, State and local organizations to target their resources and to implement radon-resistant building codes.
You may need a PDF reader to view some of the files on this page. See EPA’s About PDF page to learn more.- Alabama - EPA Map of Radon Zones (PDF)(1 pg, 24 K)
- Alaska - EPA Map of Radon Zones (PDF)(1 pg, 24 K)
- Arizona - EPA Map of Radon Zones (PDF)(1 pg, 17 K)
- Arkansas - EPA Map of Radon Zones (PDF)(1 pg, 25 K)
- California - EPA Map of Radon Zones (PDF)(1 pg, 22 K)
- Colorado - EPA Map of Radon Zones (PDF)(1 pg, 22 K)
- Connecticut - EPA Map of Radon Zones (PDF)(1 pg, 17 K)
- Delaware - EPA Map of Radon Zones (PDF)(1 pg, 14 K)
- Florida - EPA Map of Radon Zones (PDF)(1 pg, 24 K)
- Georgia - EPA Map of Radon Zones (PDF)(1 pg, 31 K)
- Hawaii - EPA Map of Radon Zones (PDF)(1 pg, 16 K)
- Idaho - EPA Map of Radon Zones (PDF)(1 pg, 20 K)
- EPA map of Illinois Radon Zones (PDF)(1 pg, 27 K)
- Indiana - EPA Map of Radon Zones (PDF)(1 pg, 23 K)
- Iowa - EPA Map of Radon Zones (PDF)(1 pg, 21 K)
- Kansas - EPA Map of Radon Zones (PDF)(1 pg, 21 K)
- Kentucky - EPA Map of Radon Zones (PDF)(1 pg, 28 K)
- Louisiana - EPA Map of Radon Zones (PDF)(1 pg, 24 K)
- Maine - EPA Map of Radon Zones (PDF)(1 pg, 18 K)
- Maryland - EPA Map of Radon Zones (PDF)(1 pg, 19 K)
- Massachussetts - EPA Map of Radon Zones (PDF)(1 pg, 18 K)
- Michigan - EPA Map of Radon Zones (PDF)(1 pg, 22 K)
- EPA map of Minnesota Radon Zones (PDF)(1 pg, 24 K)
- Mississippi - EPA Map of Radon Zones (PDF)(1 pg, 23 K)
- Missouri - EPA Map of Radon Zones (PDF)(1 pg, 25 K)
- Montana - EPA Map of Radon Zones (PDF)(1 pg, 22 K)
- Nebraska - EPA Map of Radon Zones (PDF)(1 pg, 21 K)
- Nevada - EPA Map of Radon Zones (PDF)(1 pg, 17 K)
- New Hampshire - EPA Map of Radon Zones (PDF)(1 pg, 17 K)
- EPA map of New Jersey Radon Zones (PDF)(1 pg, 21 K)
- New Mexico - EPA Map of Radon Zones (PDF)(1 pg, 18 K)
- New York - EPA Map of Radon Zones (PDF)(1 pg, 23 K)
- North Carolina - EPA Map of Radon Zones (PDF)(1 pg, 27 K)
- North Dakota - EPA Map of Radon Zones (PDF)(1 pg, 20 K)
- Ohio - EPA Map of Radon Zones (PDF)(1 pg, 23 K)
- Oklahoma - EPA Map of Radon Zones (PDF)(1 pg, 22 K)
- Oregon - EPA Map of Radon Zones (PDF)(1 pg, 19 K)
- Pennsylvania - EPA Map of Radon Zones (PDF)(1 pg, 23 K)
- Rhode Island - EPA Map of Radon Zones (PDF)(1 pg, 14 K)
- South Carolina - EPA Map of Radon Zones (PDF)(1 pg, 21 K)
- South Dakota - EPA Map of Radon Zones (PDF)(1 pg, 21 K)
- Tennessee - EPA Map of Radon Zones (PDF)(1 pg, 26 K)
- Texas - EPA Map of Radon Zones (PDF)(1 pg, 31 K)
- Utah - EPA Map of Radon Zones (PDF)(1 pg, 18 K)
- Vermont - EPA Map of Radon Zones (PDF)(1 pg, 17 K)
- West Virginia - EPA Map of Radon Zones (PDF)(1 pg, 22 K)
- Virginia - EPA Map of Radon Zones (PDF)(1 pg, 5 MB)
- Washington - EPA Map of Radon Zones (PDF)(1 pg, 22 K)
- Wisconsin - EPA Map of Radon Zones (PDF)(1 pg, 21 K)
- Wyoming - EPA Map of Radon Zones (PDF)(1 pg, 17 K)