Radon Zone Map

All counties

Radon zones in South Carolina

Abbeville CountySouth Carolina2
Aiken CountySouth Carolina3
Allendale CountySouth Carolina3
Anderson CountySouth Carolina2
Bamberg CountySouth Carolina3
Barnwell CountySouth Carolina3
Beaufort CountySouth Carolina3
Berkeley CountySouth Carolina3
Calhoun CountySouth Carolina3
Charleston CountySouth Carolina3
Cherokee CountySouth Carolina2
Chester CountySouth Carolina3
Chesterfield CountySouth Carolina3
Clarendon CountySouth Carolina3
Colleton CountySouth Carolina3
Darlington CountySouth Carolina3
Dillon CountySouth Carolina3
Dorchester CountySouth Carolina3
Edgefield CountySouth Carolina3
Fairfield CountySouth Carolina3
Florence CountySouth Carolina3
Georgetown CountySouth Carolina3
Greenville CountySouth Carolina1
Greenwood CountySouth Carolina3
Hampton CountySouth Carolina3
Horry CountySouth Carolina3
Jasper CountySouth Carolina3
Kershaw CountySouth Carolina3
Lancaster CountySouth Carolina3
Laurens CountySouth Carolina2
Lee CountySouth Carolina3
Lexington CountySouth Carolina3
Marion CountySouth Carolina3
Marlboro CountySouth Carolina3
McCormick CountySouth Carolina3
Newberry CountySouth Carolina3
Oconee CountySouth Carolina2
Orangeburg CountySouth Carolina3
Pickens CountySouth Carolina2
Richland CountySouth Carolina3
Saluda CountySouth Carolina3
Spartanburg CountySouth Carolina2
Sumter CountySouth Carolina3
Union CountySouth Carolina3
Williamsburg CountySouth Carolina3
York CountySouth Carolina2

Sources

  1. South Carolina: 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. South Carolina: 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. South Carolina: 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. South Carolina: 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. South Carolina: 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. South Carolina: 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.