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County radon report

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Locations and reports

Radon in Bloomington, Indiana

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

IndianaAbout 83,307 people

What this means for you

  • Your area: EPA rates Monroe County, where Bloomington 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 2,375 radon tests reported to CDC for Monroe County (2008 to 2017, laboratory), 34.2% 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.
How to testFind a certified tester

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.

Bloomington, What is published

What is published for Bloomington

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 Bloomington, so every radon figure on this page belongs to a county and is labelled with it. Only a test tells you about one home.

Monroe County has an EPA zone and its own CDC test figures, shown below. About 83,307 people live in Bloomington.

Bloomington, Counties

The county Bloomington 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.

Monroe CountyZone 1Highest predicted potential

34.2%
Reported tests at or above 4 pCi/L, 2008 to 2017, laboratory
2.8 pCi/L
Median reported result
2,375 tests
Tests reported to CDC
0
Annual years on file

The median reported pre-mitigation result for 2008 to 2017, laboratory was 2.8 pCi/L in Monroe 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.

Bloomington, Local resources

Local resources for Bloomington

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

Indiana's radon program

Indiana Department of Health

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

Phone
1-800-272-9723
Licensing of radon professionals
According to the Indiana Radon Rule, 410 IAC 5.1, everyone who is serving Indiana by doing radon testing, analysis and mitigation (radon reduction) in residential structures must be certified by the Indiana State Department of Health.
Visit the program's page(opens in a new tab)

Test kits

The program says: To purchase a low-cost radon short term or long term test kit, please visit the American Lung Association

Free and low-cost kitsCompare kits

Radon professionals

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

Professionals in Indiana

Bloomington, Questions

Questions about radon in Bloomington

What radon zone is Bloomington in?

EPA's Map of Radon Zones classifies counties, not cities. Monroe 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 Bloomington's counties?

For 2008 to 2017, laboratory, the share of radon tests reported to CDC that were at or above 4 pCi/L was 34.2% in Monroe County (2,375 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 Bloomington?

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 Monroe County, the county Bloomington lies in.

Bloomington, Keep reading

Keep reading

Bloomington / Next steps

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