EPA Zone Data 2026
NY Radon Levels
View EPA radon zone classifications for every county in NY. Select your county to see detailed risk data, testing recommendations, and mitigation cost estimates.
34
Zone 1
High Risk
High Risk
13
Zone 2
Moderate
Moderate
15
Zone 3
Low Risk
Low Risk
Albany
Zone 1
Allegany
Zone 1
Bronx
Zone 3
Broome
Zone 1
Cattaraugus
Zone 1
Cayuga
Zone 1
Chautauqua
Zone 1
Chemung
Zone 1
Chenango
Zone 1
Clinton
Zone 2
Columbia
Zone 1
Cortland
Zone 1
Delaware
Zone 1
Dutchess
Zone 1
Erie
Zone 1
Essex
Zone 3
Franklin
Zone 3
Fulton
Zone 3
Genesee
Zone 1
Greene
Zone 1
Hamilton
Zone 3
Herkimer
Zone 3
Jefferson
Zone 2
Kings
Zone 3
Lewis
Zone 2
Livingston
Zone 1
Madison
Zone 1
Monroe
Zone 2
Montgomery
Zone 2
Nassau
Zone 3
New York
Zone 3
Niagara
Zone 2
Oneida
Zone 2
Onondaga
Zone 1
Ontario
Zone 1
Orange
Zone 1
Orleans
Zone 2
Oswego
Zone 2
Otsego
Zone 1
Putnam
Zone 1
Queens
Zone 3
Rensselaer
Zone 1
Richmond
Zone 3
Rockland
Zone 3
Saratoga
Zone 2
Schenectady
Zone 2
Schoharie
Zone 1
Schuyler
Zone 1
Seneca
Zone 1
St. Lawrence
Zone 2
Steuben
Zone 1
Suffolk
Zone 3
Sullivan
Zone 1
Tioga
Zone 1
Tompkins
Zone 1
Ulster
Zone 1
Warren
Zone 3
Washington
Zone 1
Wayne
Zone 2
Westchester
Zone 3
Wyoming
Zone 1
Yates
Zone 1
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