Radon Zone Map

All counties

Radon zones in Louisiana

Acadia ParishLouisiana3
Allen ParishLouisiana3
Ascension ParishLouisiana3
Assumption ParishLouisiana3
Avoyelles ParishLouisiana3
Beauregard ParishLouisiana3
Bienville ParishLouisiana3
Bossier ParishLouisiana3
Caddo ParishLouisiana3
Calcasieu ParishLouisiana3
Caldwell ParishLouisiana3
Cameron ParishLouisiana3
Catahoula ParishLouisiana3
Claiborne ParishLouisiana3
Concordia ParishLouisiana3
De Soto ParishLouisiana3
East Carroll ParishLouisiana3
East Feliciana ParishLouisiana3
Evangeline ParishLouisiana3
Franklin ParishLouisiana3
Grant ParishLouisiana3
Iberia ParishLouisiana3
Iberville ParishLouisiana3
Jackson ParishLouisiana3
Jefferson Davis ParishLouisiana3
Jefferson ParishLouisiana3
Lafayette ParishLouisiana3
Lafourche ParishLouisiana3
Lincoln ParishLouisiana3
Madison ParishLouisiana3
Morehouse ParishLouisiana3
Natchitoches ParishLouisiana3
Orleans ParishLouisiana3
Ouachita ParishLouisiana3
Plaquemines ParishLouisiana3
Pointe Coupee ParishLouisiana3
Rapides ParishLouisiana3
Red River ParishLouisiana3
Richland ParishLouisiana3
Sabine ParishLouisiana3
St. Bernard ParishLouisiana3
St. Charles ParishLouisiana3
St. Helena ParishLouisiana3
St. James ParishLouisiana3
St. Landry ParishLouisiana3
St. Martin ParishLouisiana3
St. Mary ParishLouisiana3
St. Tammany ParishLouisiana3
Tangipahoa ParishLouisiana3
Tensas ParishLouisiana3
Terrebonne ParishLouisiana3
Union ParishLouisiana3
Vermilion ParishLouisiana3
Vernon ParishLouisiana3
Washington ParishLouisiana3
Webster ParishLouisiana3
West Carroll ParishLouisiana3
West Feliciana ParishLouisiana3
Winn ParishLouisiana3

Sources

  1. Louisiana: 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. Louisiana: 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. Louisiana: 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. Louisiana: 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. Louisiana: 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. Louisiana: 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.