Radon is an invisible gas that causes cancer, but when you know the facts, you can protect yourself.
It’s easy to not think about radon—it’s invisible! But radon has an impact on our and our loved ones’ health and is a leading cause of lung cancer among non-smokers. The Wisconsin Department of Health Services (DHS) is dispelling common myths, promoting the facts, and helping Wisconsinites find affordable ways to test for radon at home.
“Just because we can’t see radon, doesn’t mean it’s not present in our homes and dangerous to our health,” said Paula Tran, state health officer and Division of Public Health administrator. “January is National Radon Action Month, and it’s important that Wisconsinites understand this often overlooked and misunderstood threat. DHS encourages all Wisconsinites to test their homes for radon and have conversations about radon with family, friends, and neighbors.”
Radon, a natural, radioactive gas, can seep into homes through their foundations. For people who smoke, having exposure to high radon increases the risk of lung cancer by 10 times. According to the Environmental Protection Agency (EPA), radon is responsible for 21,000 lung cancer deaths every year.
Follow this link to view radon test results in all of Wisconsin by zip code. See areas where homes and other buildings have tested high for radon. Note that this map is for informational purposes only and should not be used to determine the risk of indoor radon levels for any individual home or building. The risk of radon exposure and vary greatly between homes or buildings within very close proximity.
Test results for Lakewood, Mountain & Townsend
54138 (Lakewood): 27 homes tested: 74.0% of homes tested at or above 4.0 pCi/L, Median radon level (pCi/L): 8.6, Maximum recorded radon level (pCi/L): 167
54149 (Mountain): 25 homes tested: 72% of homes tested at or above 4.0 pCi/L, Median radon level (pCi/L): 9.2, Maximum recorded radon level (pCi/L): 198.4
54175 (Townsend): 33 of homes tested: 63.6% of homes tested at or above 4.0 pCi/L, Median radon level (pCi/L): 5.65, Maximum recorded radon level (pCi/L): 105.5
In Wisconsin, affordable testing is easy. DHS contracts with 17 county agencies across the state to serve as regional Radon Information Centers (RICs) that provide locally tailored radon education and outreach to all 72 Wisconsin counties. Since 2010, RICs have distributed over 100,000 free or reduced-cost radon test kits to residents and provided over 2,000 consultations about radon every year. Find more information about radon and RIC locations at lowradon.org.
The only way to know your radon level is to test. The Wisconsin Radon Program recommends that every home and building be tested for radon to determine the risk of exposure and need for mitigation. In Oconto County, radon test kits are available for $5.00 for the month of January. Properties in Lakewood, Mountain, Townsend, Doty and Riverview have high levels of radon.
Test kits can be purchased at several locations in Oconto County including:
Town of Riverview
Riverview Community Center
15152 Island Lake Rd
Mountain, WI 54149
Clerk office hours:
Monday 12:30 to 4:00 pm
Wednesday 12:30 to 4:00 pm
1st and 3rd Saturday 8:00 to 10:00 am
715-276-6914
Town of Mountain
Town Office/Road Shop
13503 Weller Rd
Mountain, WI 54149
Town office hours:
Monday 10:00 a.m. to 2:00 p.m.
Wednesday 10:00 a.m. to 2:00 p.m.
Saturday prior to Town Board Meeting 9:00 a.m. to 12:00 p.m.
715-276-6474
Town of Townsend
Townsend Town Hall
16564 Elm St
Townsend, WI 54175
Clerk office hours:
Tuesday 11:00 am to 5:00 pm
Friday 10:00 to 2:00 pm
715-276-6856
Watch this American Lung Association video to learn more about radon and its impacts on lung health. View video inÂ
Photo Credit: American Lung Association
Published on: Jan 9, 2026 at 10:31 am