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Radon in Fulton County, New York

Fulton County, New York, is in EPA radon Zone 3: predicted average indoor radon screening level less than 2 pCi/L (low potential). Radon laboratories reported 190 building tests here for 2008 to 2017: median 1.2 pCi/L, with 11.7% at or above EPA's 4 pCi/L action level (New York 24.2%, US 36.5%). New York state health records show 15.3% of 170 basement kit tests at or above 4 pCi/L.

Zone 3
EPA radon zone (1993 county map)
1.2
median lab test, pCi/L (2008-2017)
11.7%
of lab tests at or above 4 pCi/L
190
buildings tested by labs, 2008-2017

Radon test results in Fulton County

Radon test results on file for Fulton County, NY, with state and national comparison
Test resultsPeriodTestsTypical result4 pCi/L or more
Radon testing laboratories2008-2017190median 1.2 pCi/L11.7%
State health records, basement kit tests1987 on170average 2.6 pCi/L15.3%
State health records, first-floor kit tests1987 on50average 1.1 pCi/L4%
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 Fulton 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
Johnstown553.4 pCi/L21.8%
Gloversville471.9 pCi/L8.5%
Broadalbin241.8 pCi/L8.3%
Mayfield112.9 pCi/L9.1%
Northampton102.6 pCi/L30%
Ephratah75.7 pCi/L14.3%
Oppenheim63.9 pCi/L50%
Caroga51.1 pCi/L0%
Perth41.2 pCi/L0%
Bleecker10.2 pCi/L0%

Radon in nearby counties

CountyEPA zoneLab tests4 pCi/L or more
Montgomery County, NYZone 215714.7%
Schenectady County, NYZone 21,13717.3%
Saratoga County, NYZone 22,59822.3%
Schoharie County, NYZone 124421.8%
Hamilton County, NYZone 3927.3%
Herkimer County, NYZone 325541.5%

The six counties with the nearest centers.

What to do about radon in Fulton 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 Fulton County address

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

Radon in Fulton County: questions

What is the radon level in Fulton County?

The median of the 190 laboratory tests reported for Fulton County (2008 to 2017) was 1.2 pCi/L, and 11.7% of them were at or above 4 pCi/L. New York state basement kits average 2.6 pCi/L. These are results of tested buildings; a single home can be far above or below them.

Is Fulton County in radon Zone 1?

No. EPA's 1993 map puts Fulton County in Zone 3 (predicted average indoor radon screening level less than 2 pCi/L (low potential)). EPA says homes in every zone can have high radon and should be tested.

How does radon in Fulton County compare with New York?

11.7% of laboratory tests in Fulton 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 Fulton 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 Fulton 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 36035. County-level screening information, not a radon measurement of any building.