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Radon in Erie County, New York

Erie County, New York, is in EPA radon Zone 1: predicted average indoor radon screening level greater than 4 pCi/L (highest potential). Radon laboratories reported 11,506 building tests here for 2008 to 2017: median 1.5 pCi/L, with 18.2% at or above EPA's 4 pCi/L action level (New York 24.2%, US 36.5%). New York state health records show 22.3% of 7,957 basement kit tests at or above 4 pCi/L.

Zone 1
EPA radon zone (1993 county map)
1.5
median lab test, pCi/L (2008-2017)
18.2%
of lab tests at or above 4 pCi/L
11,506
buildings tested by labs, 2008-2017

Radon test results in Erie County

Radon test results on file for Erie County, NY, with state and national comparison
Test resultsPeriodTestsTypical result4 pCi/L or more
Radon testing laboratories2008-201711,506median 1.5 pCi/L18.2%
New York radon program202335median 2.0 pCi/L26.3%
State health records, basement kit tests1987 on7,957average 5.1 pCi/L22.3%
State health records, first-floor kit tests1987 on1,481average 3.4 pCi/L17%
New York, all counties (labs)2008-201765,893n/a24.2%
United States (labs)2008-20171,408,802n/a36.5%

Test results describe buildings whose owners chose to test and whose results reached the lab or agency, not a random sample; small counts swing widely. State and US shares are computed from county counts and percents. The laboratory data comes from national radon testing laboratories and supplements EPA's zone map.

Radon by town in Erie County

New York state basement kit results by town since 1987, towns with the most tests first.

Town, village or cityBasement testsAverage4 pCi/L or more
Buffalo1,2441.2 pCi/L4.7%
Amherst1,0062.6 pCi/L11.4%
Hamburg8604.9 pCi/L27.3%
Orchard Park5704.7 pCi/L27.5%
Cheektowaga4981.1 pCi/L2.2%
Aurora49211.2 pCi/L50.2%
Tonawanda4161.1 pCi/L1.7%
W. Seneca3232.5 pCi/L13%
Elma3098.6 pCi/L37.5%
Clarence2996.3 pCi/L28.8%
Marilla24529.2 pCi/L67.8%
Lancaster2352.8 pCi/L10.2%
Concord18815.4 pCi/L70.7%
Eden1806.4 pCi/L38.3%
Kenmore1590.8 pCi/L0.6%
Alden1355.4 pCi/L21.5%
Evans1325.8 pCi/L36.4%
Boston1158.7 pCi/L48.7%
Grand Island1051.5 pCi/L3.8%
Newstead1024.0 pCi/L27.5%
Holland618.1 pCi/L41%
Lackawanna591.3 pCi/L3.4%
Collins5711.9 pCi/L57.9%
Colden485.2 pCi/L39.6%
Wales4811.3 pCi/L45.8%
No. Collins337.5 pCi/L42.4%
Sardinia2820.3 pCi/L67.9%
Brant1011.8 pCi/L40%

Radon in nearby counties

CountyEPA zoneLab tests4 pCi/L or more
Wyoming County, NYZone 128839.3%
Genesee County, NYZone 128834.7%
Niagara County, NYZone 21,73114.3%
Cattaraugus County, NYZone 152540.6%
Chautauqua County, NYZone 185538%
Orleans County, NYZone 212224.5%

The six counties with the nearest centers.

What to do about radon in Erie County

Test the building. EPA recommends fixing a home at 4 pCi/L or more and considering a fix between 2 and 4 pCi/L, and says there is no known safe level of exposure. The state health department runs the state's radon program.

Buying here? The Environmental Records Report lists this county's radon zone and test results with the flood zone, mapped faults, power lines and federal contamination records near the address.

Check one Erie County address

Environmental Records Report, $29. PDF and JSON, usually ready in about a minute.

HeritageDeed searches title in Erie County: Order a Erie County title search, owner of record, deeds, mortgages and liens, $49 per report.

Radon in Erie County: questions

What is the radon level in Erie County?

The median of the 11,506 laboratory tests reported for Erie County (2008 to 2017) was 1.5 pCi/L, and 18.2% of them were at or above 4 pCi/L. New York state basement kits average 5.1 pCi/L. These are results of tested buildings; a single home can be far above or below them.

Is Erie County in radon Zone 1?

Yes. EPA's 1993 Map of Radon Zones puts Erie County in Zone 1, the counties with a predicted average indoor radon screening level above 4 pCi/L.

How does radon in Erie County compare with New York?

18.2% of laboratory tests in Erie County were at or above 4 pCi/L for 2008 to 2017, against 24.2% across New York (65,893 tests) and 36.5% nationally. 34 of New York's 62 counties are in Zone 1.

Should I test for radon in Erie County?

Yes. EPA recommends testing every home whatever its zone: "This map should not be used to determine if individual homes need to be tested." Fix the home at 4 pCi/L or more and consider a fix between 2 and 4 pCi/L; EPA says there is no known safe level of radon exposure.

More for Erie County

Other free hazard lookups

All of these, plus wetlands, FEMA hazard ratings and the federal contamination lists, are in the Environmental Records Report for any US address ($29).

Radon in every New York county · Radon map of every state

Data compiled 2026-10-20. County FIPS 36029. County-level screening information, not a radon measurement of any building.