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Locations and reports

Radon in Bozeman, Montana

Bozeman, Montana lies in Gallatin County, which EPA places in Zone 1, highest predicted potential. Radon data is published by county, so this page reads Gallatin County's figures.

MontanaAbout 58,814 people

What this means for you

  • Your area: EPA rates Gallatin County, where Bozeman is, Zone 1, the highest of its three radon zones. That is a prediction for the whole county, and homes with elevated levels occur in all three zones.
  • Local tests: Of 1,600 radon tests reported to CDC for Gallatin County (2008 to 2017, laboratory), 42.8% were at or above 4 pCi/L, EPA's action level.
  • Your home: The only way to know your home’s level is to test it.

pCi/L (picocuries per liter) is the unit radon is measured in. EPA recommends fixing a home at 4 pCi/L or above, its action level.

Bozeman, What is published

What is published for Bozeman

Information:

Radon data is published by county, not by city

Radon data is published by county, not by city. EPA assigns radon zones to counties, and CDC publishes radon test figures by county. Neither publishes a figure for Bozeman, so every radon figure on this page belongs to a county and is labelled with it. Only a test tells you about one home.

Gallatin County has an EPA zone and its own CDC test figures, shown below. About 58,814 people live in Bozeman.

Bozeman, Counties

The county Bozeman lies in

Measured

Each county's own EPA zone and its own published CDC figures for 2008 to 2017, laboratory, the newest period any of them has. A county without a figure for that period is shown without one, never with a figure from another year.

Gallatin CountyZone 1Highest predicted potential

42.8%
Reported tests at or above 4 pCi/L, 2008 to 2017, laboratory
3.2 pCi/L
Median reported result
1,600 tests
Tests reported to CDC
0
Annual years on file

The median reported pre-mitigation result for 2008 to 2017, laboratory was 3.2 pCi/L in Gallatin County.

CDC counts radon tests that were reported to it, not homes, and figures from few tests can swing widely from year to year. Each county’s report has its full history.

Predicted: EPA Map of Radon Zones, by county. Measured: CDC tracking data, by county, 2008 to 2017, laboratory.

Bozeman, Local resources

Local resources for Bozeman

Who to ask in Montana: the state's radon program, test kits and professionals.

Radon Control Program

Montana DEQ

Montana’s radon program answers questions about testing, mitigation and the rules where you live.

Phone
1-800-546-0483
Licensing of radon professionals
Montana DEQ does not certify or require proof of certification for the contractors listed.
Visit the program's page(opens in a new tab)

Test kits

The program says: Energy Bureau staff manage the radon information toll-free hotline and distribute subsidized radon test kits to Montana residents.

Radon professionals

Radon testers and mitigators in Montana, each with how its listing was checked.

Professionals in Montana

Bozeman, Questions

Questions about radon in Bozeman

What radon zone is Bozeman in?

EPA's Map of Radon Zones classifies counties, not cities. Gallatin County is in Zone 1 (highest predicted potential). A zone is a prediction for a whole county and never tells you the level in one home.

How many radon tests come back high in Bozeman's counties?

For 2008 to 2017, laboratory, the share of radon tests reported to CDC that were at or above 4 pCi/L was 42.8% in Gallatin County (1,600 tests). Each is that county's own figure, counting tests reported to CDC, not homes. Radon411 does not average or combine them into a figure for the city.

Should I test my home in Bozeman?

Yes. Testing is the only way to know the radon level in a specific building. EPA recommends fixing a home when the radon level is 4 pCi/L or higher. EPA recommends considering a fix when the level is between 2 and 4 pCi/L. How to test a home.

The answers use the published figures of Gallatin County, the county Bozeman lies in.

Bozeman / Next steps

What to do next