Neenah, WI Radon Levels

Q: What EPA Radon Zone is Neenah in?

Neenah is in Winnebago County, EPA Zone 2.

Q: Why are radon readings shown from areas near Neenah?

No homeowner radon tests have been submitted for Neenah yet, so readings from the closest cities and the Winnebago County average are used as the best available indicator of local conditions. The EPA recommends testing every individual home.

Q: How much does radon mitigation cost in Neenah?

Radon mitigation typically costs between $800 and $2,000. Most standard systems fall in the $1,000-$1,500 range.

Check local Neenah radon levels and find certified testing and mitigation professionals to keep your home safe

Neenah, WI Radon Facts

EPA Radon Zone Zone 2 — Moderate Risk 2–4 pCi/L (Zone 2)

County Winnebago County, WI

Zip Code 54956

Located in Winnebago County within the Appleton Metro area, Neenah sits on glacial deposits over Paleozoic bedrock that can contribute to elevated radon concentrations typical of Wisconsin communities. Testing data is limited for zip code 54956, making individual home testing important for residents to assess their radon exposure levels.

19.00

pCi/L area average

Above EPA Action Level

Winnebago County average: 19.00 pCi/L, based on 1 user-submitted test across 1 city in the county. No homeowner readings have been submitted for Neenah itself yet, so this county figure is the closest available benchmark. The EPA recommends taking action at or above 4.0 pCi/L.

4.0 EPA

10+

Neenah, WI Radon Mitigation

Professional radon mitigation is the most effective way to permanently lower radon levels and protect your household.

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Radon Readings Near Neenah, WI

No homeowner tests have been submitted for Neenah yet. The closest cities with user-submitted radon data are shown below — explore them to gauge local conditions. Radon varies by home, so testing is the only way to know your level.

City	Distance	Avg User Level	Readings
Greenville	8.7 mi	7.00 pCi/L	1
Oshkosh	12.1 mi	19.00 pCi/L	1
New Holstein	25.3 mi	7.00 pCi/L	1
Fond Du Lac	28.5 mi	5.00 pCi/L	1
Green Bay	32.1 mi	4.00 pCi/L	1
Green Lake	33.7 mi	6.00 pCi/L	1
Pulaski	34.8 mi	4.00 pCi/L	1
Plymouth	38.7 mi	6.00 pCi/L	1

Winnebago County Radon Profile

The soils and bedrock of Winnebago County place it in EPA Radon Zone 2, a moderate-risk classification with predicted indoor averages of 2 to 4 pCi/L. Homeowner-submitted tests from 1 city in Winnebago County average 19.00 pCi/L across 1 test — above the EPA's 4 pCi/L action level, reinforcing the need for testing across the county. Since radon is the second leading cause of lung cancer nationally, the EPA urges every household in Winnebago County to test, as levels can differ between neighboring homes.

Radon FAQ for Neenah, WI

What EPA Radon Zone is Neenah in?

Neenah and the 54956 zip code are in Winnebago County, which has an EPA assigned Radon Zone of 2. A zone of 2 predicts an average indoor radon screening level between 2 and 4 pCi/L.

Why are radon readings shown from areas near Neenah?

No homeowner radon tests have been submitted for Neenah yet. Because radon is driven by regional soil and bedrock geology, readings from the closest cities—and the Winnebago County average—are the best available indicator of local conditions until Neenah homeowners submit their own results. The EPA still recommends testing every individual home, since levels can vary significantly from house to house.

How much does radon mitigation cost in Neenah?

Radon mitigation in Neenah typically costs between $800 and $2,000. Most homes with standard basements can be mitigated with a sub-slab depressurization system in the $1,000–$1,500 range. Factors that can increase cost include complex foundations, crawl spaces, or very high radon levels.

Should I test for radon if I'm buying a home in Neenah?

Yes. Radon testing should be part of every home purchase. A short-term radon test is typically included as part of the home inspection process and costs $150–$250. If elevated levels are found, you can negotiate mitigation as part of the sale.