Test Your Home for Radon


What is radon?

Radon is an odorless, tasteless, and colorless gas that forms from the radioactive decay of uranium. This unstable gas is the second leading cause of lung cancer, which results in around 21,000 American deaths each year. But mitigation and prevention strategies have been estimated to avert 650 deaths per year.

Radon is odorless, tasteless and invisible.

Just because you can’t see it or smell it, doesn’t mean it isn’t lurking in your home.

Radon in Winnebago County

The average radon level for Winnebago county is 6.0 pCi/L, which is greater than the average for the state of Wisconsin and the US EPA guideline. Any level at or above 4.0 pCi/L is considered dangerous, and further action should be taken to decrease such levels. Find a list of certified radon mitigation specialists on the DHS website.

Where does radon come from?

Radon can enter a house through cracks in your floors, walls, and windows, or through vents and pipes. Radon is primarily found in bedrock and soil; however, small amounts can also be present in groundwater and well water. Both old and new homes are at risk of high radon levels; old homes are drafty and allow for the inflow of radon, and new homes are more secure and can keep radon trapped inside.

Test for radon in your home now

The winter months are the best time to test for radon because your home has been closed up tight, which is why January is Radon Action Month!

Protecting your family has never been easier or more affordable; a short-term test kit (48-hour test) is only $5.00 for Winnebago County residents in January. Stop into one of our two Winnebago Health Department locations, or to your local City/Town clerk’s office in Omro, Neenah, and Winneconne to grab a do-it-yourself kit!

Learn more about radon:


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Winnebago County Health Department

Vision: The Winnebago County Health Department is a leader in creating a culture that optimizes health and wellness in our community. Mission: Winnebago County Health Department leads change by providing services and building partnerships that strengthen the community.

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