Radon zones in Oklahoma
Zone 1: 0, Zone 2: 9, Zone 3: 68. A zone is an area estimate; EPA says all homes should be tested.
- Adair County Zone 2
- Alfalfa County Zone 3
- Atoka County Zone 3
- Beaver County Zone 2
- Beckham County Zone 3
- Blaine County Zone 3
- Bryan County Zone 3
- Caddo County Zone 3
- Canadian County Zone 3
- Carter County Zone 3
- Cherokee County Zone 2
- Choctaw County Zone 3
- Cimarron County Zone 2
- Cleveland County Zone 3
- Coal County Zone 3
- Comanche County Zone 3
- Cotton County Zone 3
- Craig County Zone 3
- Creek County Zone 3
- Custer County Zone 3
- Delaware County Zone 2
- Dewey County Zone 3
- Ellis County Zone 2
- Garfield County Zone 3
- Garvin County Zone 3
- Grady County Zone 3
- Grant County Zone 3
- Greer County Zone 3
- Harmon County Zone 3
- Harper County Zone 3
- Haskell County Zone 3
- Hughes County Zone 3
- Jackson County Zone 3
- Jefferson County Zone 3
- Johnston County Zone 3
- Kay County Zone 3
- Kingfisher County Zone 3
- Kiowa County Zone 3
- Latimer County Zone 3
- Le Flore County Zone 3
- Lincoln County Zone 3
- Logan County Zone 3
- Love County Zone 3
- McClain County Zone 3
- McCurtain County Zone 3
- McIntosh County Zone 3
- Major County Zone 3
- Marshall County Zone 3
- Mayes County Zone 2
- Murray County Zone 3
- Muskogee County Zone 3
- Noble County Zone 3
- Nowata County Zone 3
- Okfuskee County Zone 3
- Oklahoma County Zone 3
- Okmulgee County Zone 3
- Osage County Zone 3
- Ottawa County Zone 3
- Pawnee County Zone 3
- Payne County Zone 3
- Pittsburg County Zone 3
- Pontotoc County Zone 3
- Pottawatomie County Zone 3
- Pushmataha County Zone 3
- Roger Mills County Zone 3
- Rogers County Zone 3
- Seminole County Zone 3
- Sequoyah County Zone 2
- Stephens County Zone 3
- Texas County Zone 2
- Tillman County Zone 3
- Tulsa County Zone 3
- Wagoner County Zone 3
- Washington County Zone 3
- Washita County Zone 3
- Woods County Zone 3
- Woodward County Zone 3
County not listed? See what we left out and why. Leave your email to hear if this data changes.