EPA Zone Data 2026
New York Radon Map, Levels & Testing Guide
View EPA radon zone classifications for every county in New York. Open your county to compare basement test meaning, EPA action thresholds, and when mitigation pricing becomes worth checking.
34
Zone 1
High Risk
High Risk
13
Zone 2
Moderate
Moderate
15
Zone 3
Low Risk
Low Risk
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Browse Counties
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Open your county to see its EPA zone, testing meaning, and the point where mitigation becomes worth pricing.
Albany County
Zone 1
Allegany County
Zone 1
Broome County
Zone 1
Cattaraugus County
Zone 1
Cayuga County
Zone 1
Chautauqua County
Zone 1
Chemung County
Zone 1
Chenango County
Zone 1
Clinton County
Zone 2
Columbia County
Zone 1
Cortland County
Zone 1
Delaware County
Zone 1
Dutchess County
Zone 1
Erie County
Zone 1
Genesee County
Zone 1
Greene County
Zone 1
Jefferson County
Zone 2
Lewis County
Zone 2
Livingston County
Zone 1
Madison County
Zone 1
Monroe County
Zone 2
Montgomery County
Zone 2
Niagara County
Zone 2
Oneida County
Zone 2
Onondaga County
Zone 1
Ontario County
Zone 1
Orange County
Zone 1
Orleans County
Zone 2
Oswego County
Zone 2
Otsego County
Zone 1
Putnam County
Zone 1
Rensselaer County
Zone 1
Saratoga County
Zone 2
Schenectady County
Zone 2
Schoharie County
Zone 1
Schuyler County
Zone 1
Seneca County
Zone 1
St. Lawrence County
Zone 2
Steuben County
Zone 1
Sullivan County
Zone 1
Tioga County
Zone 1
Tompkins County
Zone 1
Ulster County
Zone 1
Washington County
Zone 1
Wayne County
Zone 2
Wyoming County
Zone 1
Yates County
Zone 1
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