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County radon report

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Locations and reports

Radon in Lancaster, Ohio

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

OhioAbout 41,956 people

What this means for you

  • Your area: EPA rates Fairfield County, where Lancaster 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 1,175 radon tests reported to CDC for Fairfield County (2008 to 2017, laboratory), 76.8% 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.
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.

Lancaster, What is published

What is published for Lancaster

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

Fairfield County has an EPA zone and its own CDC test figures, shown below. About 41,956 people live in Lancaster.

Lancaster, Counties

The county Lancaster 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.

Fairfield CountyZone 1Highest predicted potential

76.8%
Reported tests at or above 4 pCi/L, 2008 to 2017, laboratory
7.4 pCi/L
Median reported result
1,175 tests
Tests reported to CDC
0
Annual years on file

The median reported pre-mitigation result for 2008 to 2017, laboratory was 7.4 pCi/L in Fairfield 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.

Lancaster, Local resources

Local resources for Lancaster

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

Radon Education and Licensing Program

Ohio Department of Health

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

Phone
614-728-0272
Email
indoor.radon@odh.ohio.gov
Licensing of radon professionals
This program licenses companies and persons directly involved with the radon testing and mitigation industry.
Visit the program's page(opens in a new tab)

Test kits

The program says: Free radon test kits are available for Ohio homeowners.

Free and low-cost kitsCompare kits

Radon professionals

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

Professionals in Ohio

Lancaster, Questions

Questions about radon in Lancaster

What radon zone is Lancaster in?

EPA's Map of Radon Zones classifies counties, not cities. Fairfield 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 Lancaster's counties?

For 2008 to 2017, laboratory, the share of radon tests reported to CDC that were at or above 4 pCi/L was 76.8% in Fairfield County (1,175 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 Lancaster?

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 Fairfield County, the county Lancaster lies in.

Lancaster, Keep reading

Keep reading

Lancaster / Next steps

What to do next