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Locations and reports

Radon in Parma, Ohio

Parma, Ohio lies in Cuyahoga County, which EPA places in Zone 2, moderate predicted potential. Radon data is published by county, so this page reads Cuyahoga County's figures.

OhioAbout 78,581 people

What this means for you

  • Your area: EPA rates Cuyahoga County, where Parma is, Zone 2, the middle 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 10,092 radon tests reported to CDC for Cuyahoga County (2008 to 2017, laboratory), 21.7% 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.

Parma, What is published

What is published for Parma

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

Cuyahoga County has an EPA zone and its own CDC test figures, shown below. About 78,581 people live in Parma.

Parma, Counties

The county Parma 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.

Cuyahoga CountyZone 2Moderate predicted potential

21.7%
Reported tests at or above 4 pCi/L, 2008 to 2017, laboratory
2.0 pCi/L
Median reported result
10,092 tests
Tests reported to CDC
0
Annual years on file

The median reported pre-mitigation result for 2008 to 2017, laboratory was 2.0 pCi/L in Cuyahoga 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.

Parma, Local resources

Local resources for Parma

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

Parma, Questions

Questions about radon in Parma

What radon zone is Parma in?

EPA's Map of Radon Zones classifies counties, not cities. Cuyahoga County is in Zone 2 (moderate 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 Parma's counties?

For 2008 to 2017, laboratory, the share of radon tests reported to CDC that were at or above 4 pCi/L was 21.7% in Cuyahoga County (10,092 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 Parma?

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 Cuyahoga County, the county Parma lies in.

Parma, Keep reading

Keep reading

Parma / Next steps

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