EPA Zone Data 2026
LA Radon Levels
View EPA radon zone classifications for every county in LA. Select your county to see detailed risk data, testing recommendations, and mitigation cost estimates.
0
Zone 1
High Risk
High Risk
0
Zone 2
Moderate
Moderate
64
Zone 3
Low Risk
Low Risk
Acadia
Zone 3
Allen
Zone 3
Ascension
Zone 3
Assumption
Zone 3
Avoyelles
Zone 3
Beauregard
Zone 3
Bienville
Zone 3
Bossier
Zone 3
Caddo
Zone 3
Calcasieu
Zone 3
Caldwell
Zone 3
Cameron
Zone 3
Catahoula
Zone 3
Claiborne
Zone 3
Concordia
Zone 3
De Soto
Zone 3
East Baton Rouge
Zone 3
East Carroll
Zone 3
East Feliciana
Zone 3
Evangeline
Zone 3
Franklin
Zone 3
Grant
Zone 3
Iberia
Zone 3
Iberville
Zone 3
Jackson
Zone 3
Jefferson
Zone 3
Jefferson Davis
Zone 3
La Salle
Zone 3
Lafayette
Zone 3
Lafourche
Zone 3
Lincoln
Zone 3
Livingston
Zone 3
Madison
Zone 3
Morehouse
Zone 3
Natchitoches
Zone 3
Orleans
Zone 3
Ouachita
Zone 3
Plaquemines
Zone 3
Pointe Coupee
Zone 3
Rapides
Zone 3
Red River
Zone 3
Richland
Zone 3
Sabine
Zone 3
St. Bernard
Zone 3
St. Charles
Zone 3
St. Helena
Zone 3
St. James
Zone 3
St. John the Baptist
Zone 3
St. Landry
Zone 3
St. Martin
Zone 3
St. Mary
Zone 3
St. Tammany
Zone 3
Tangipahoa
Zone 3
Tensas
Zone 3
Terrebonne
Zone 3
Union
Zone 3
Vermilion
Zone 3
Vernon
Zone 3
Washington
Zone 3
Webster
Zone 3
West Baton Rouge
Zone 3
West Carroll
Zone 3
West Feliciana
Zone 3
Winn
Zone 3
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