Radon Zone Map

All counties

Radon zones in Texas

Anderson CountyTexas3
Andrews CountyTexas3
Angelina CountyTexas3
Archer CountyTexas3
Armstrong CountyTexas2
Atascosa CountyTexas3
Austin CountyTexas3
Bailey CountyTexas2
Bandera CountyTexas3
Bastrop CountyTexas3
Baylor CountyTexas3
Bee CountyTexas3
Bell CountyTexas3
Bexar CountyTexas3
Blanco CountyTexas3
Borden CountyTexas3
Bosque CountyTexas3
Bowie CountyTexas3
Brazoria CountyTexas3
Brazos CountyTexas3
Brewster CountyTexas2
Brooks CountyTexas3
Brown CountyTexas3
Burleson CountyTexas3
Burnet CountyTexas3
Caldwell CountyTexas3
Callahan CountyTexas3
Cameron CountyTexas3
Camp CountyTexas3
Carson CountyTexas2
Cass CountyTexas3
Castro CountyTexas2
Chambers CountyTexas3
Cherokee CountyTexas3
Childress CountyTexas3
Clay CountyTexas3
Coke CountyTexas3
Coleman CountyTexas3
Collin CountyTexas3
Colorado CountyTexas3
Comal CountyTexas3
Comanche CountyTexas3
Concho CountyTexas3
Cooke CountyTexas3
Coryell CountyTexas3
Cottle CountyTexas3
Crane CountyTexas3
Crockett CountyTexas3
Culberson CountyTexas2
Dallam CountyTexas2
Dallas CountyTexas3
Dawson CountyTexas3
Deaf Smith CountyTexas2
Delta CountyTexas3
Denton CountyTexas3
Dickens CountyTexas3
Dimmit CountyTexas3
Duval CountyTexas3
Eastland CountyTexas3
Ector CountyTexas3
Edwards CountyTexas3
Ellis CountyTexas3
Erath CountyTexas3
Falls CountyTexas3
Fannin CountyTexas3
Fayette CountyTexas3
Fisher CountyTexas3
Foard CountyTexas3
Fort Bend CountyTexas3
Franklin CountyTexas3
Freestone CountyTexas3
Frio CountyTexas3
Gaines CountyTexas3
Gillespie CountyTexas3
Glasscock CountyTexas3
Goliad CountyTexas3
Gonzales CountyTexas3
Grayson CountyTexas3
Gregg CountyTexas3
Grimes CountyTexas3
Guadalupe CountyTexas3
Hale CountyTexas2
Hall CountyTexas3
Hamilton CountyTexas3
Hansford CountyTexas2
Hardeman CountyTexas3
Hardin CountyTexas3
Harris CountyTexas3
Harrison CountyTexas3
Hartley CountyTexas2
Haskell CountyTexas3
Hays CountyTexas3
Henderson CountyTexas3
Hidalgo CountyTexas3
Hill CountyTexas3
Hockley CountyTexas2
Hood CountyTexas3
Hopkins CountyTexas3
Houston CountyTexas3
Howard CountyTexas3
Hudspeth CountyTexas2
Hunt CountyTexas3
Hutchinson CountyTexas2
Irion CountyTexas3
Jack CountyTexas3
Jackson CountyTexas3
Jasper CountyTexas3
Jeff Davis CountyTexas2
Jim Hogg CountyTexas3
Jim Wells CountyTexas3
Johnson CountyTexas3
Jones CountyTexas3
Karnes CountyTexas3
Kaufman CountyTexas3
Kendall CountyTexas3
Kenedy CountyTexas3
Kent CountyTexas3
Kerr CountyTexas3
Kimble CountyTexas3
King CountyTexas3
Kinney CountyTexas3
Knox CountyTexas3
La Salle CountyTexas3
Lamar CountyTexas3
Lamb CountyTexas2
Lampasas CountyTexas3
Lavaca CountyTexas3
Lee CountyTexas3
Leon CountyTexas3
Liberty CountyTexas3
Limestone CountyTexas3
Lipscomb CountyTexas2
Live Oak CountyTexas3
Loving CountyTexas3
Lubbock CountyTexas2
Lynn CountyTexas2
Madison CountyTexas3
Marion CountyTexas3
Martin CountyTexas3
Mason CountyTexas2
Maverick CountyTexas3
McCulloch CountyTexas3
McLennan CountyTexas3
McMullen CountyTexas3
Medina CountyTexas3
Midland CountyTexas3
Milam CountyTexas3
Mills CountyTexas3
Mitchell CountyTexas3
Montague CountyTexas3
Montgomery CountyTexas3
Moore CountyTexas2
Morris CountyTexas3
Motley CountyTexas3
Nacogdoches CountyTexas3
Navarro CountyTexas3
Nolan CountyTexas3
Nueces CountyTexas3
Ochiltree CountyTexas2
Oldham CountyTexas2
Palo Pinto CountyTexas3
Panola CountyTexas3
Parker CountyTexas3
Parmer CountyTexas2
Polk CountyTexas3
Potter CountyTexas2
Presidio CountyTexas2
Rains CountyTexas3
Randall CountyTexas2
Reagan CountyTexas3
Real CountyTexas3
Red River CountyTexas3
Reeves CountyTexas2
Refugio CountyTexas3
Roberts CountyTexas2
Robertson CountyTexas3
Rockwall CountyTexas3
Runnels CountyTexas3
Rusk CountyTexas3
San Augustine CountyTexas3
San Jacinto CountyTexas3
Schleicher CountyTexas3
Scurry CountyTexas3
Shackelford CountyTexas3
Shelby CountyTexas3
Sherman CountyTexas2
Smith CountyTexas2
Somervell CountyTexas3
Starr CountyTexas3
Stephens CountyTexas3
Sterling CountyTexas3
Stonewall CountyTexas3
Sutton CountyTexas3
Tarrant CountyTexas3
Taylor CountyTexas3
Throckmorton CountyTexas3
Titus CountyTexas3
Tom Green CountyTexas3
Travis CountyTexas3
Trinity CountyTexas3
Tyler CountyTexas3
Upshur CountyTexas3
Upton CountyTexas3
Uvalde CountyTexas3
Val Verde CountyTexas3
Van Zandt CountyTexas3
Victoria CountyTexas3
Walker CountyTexas3
Waller CountyTexas3
Webb CountyTexas3
Wharton CountyTexas3
Wheeler CountyTexas3
Wichita CountyTexas3
Wilbarger CountyTexas3
Willacy CountyTexas3
Williamson CountyTexas3
Wilson CountyTexas3
Winkler CountyTexas3
Wise CountyTexas3
Wood CountyTexas3
Yoakum CountyTexas3
Young CountyTexas3
Zapata CountyTexas3
Zavala CountyTexas3

Sources

  1. Texas: EPA Map of Radon Zones, US Environmental Protection Agency, checked 1 November 2026
  2. EPA Map of Radon Zones, US Environmental Protection Agency, checked 1 November 2026
  3. Texas: EPA Map of Radon Zones, US Environmental Protection Agency, checked 1 November 2026
  4. EPA Map of Radon Zones, US Environmental Protection Agency, checked 1 November 2026
  5. Texas: EPA Map of Radon Zones, US Environmental Protection Agency, checked 1 November 2026
  6. EPA Map of Radon Zones, US Environmental Protection Agency, checked 1 November 2026
  7. Texas: EPA Map of Radon Zones, US Environmental Protection Agency, checked 1 November 2026
  8. EPA Map of Radon Zones, US Environmental Protection Agency, checked 1 November 2026
  9. Texas: EPA Map of Radon Zones, US Environmental Protection Agency, checked 1 November 2026
  10. EPA Map of Radon Zones, US Environmental Protection Agency, checked 1 November 2026
  11. Texas: EPA Map of Radon Zones, US Environmental Protection Agency, checked 1 November 2026
  12. EPA Map of Radon Zones, US Environmental Protection Agency, checked 1 November 2026

"Secondary" marks a source used only because the official page could not be read.