Tilleda, WI Radon Levels

Q: What EPA Radon Zone is Tilleda in?

Tilleda is in Shawano County, EPA Zone 1.

Q: How much does radon mitigation cost in Tilleda?

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

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

Tilleda, WI Radon Facts

EPA Radon Zone Zone 1 — High Risk > 4.0 pCi/L (Zone 1)

County Shawano County, WI

Zip Code 54978

Another Shawano County community within Wisconsin's EPA Zone 1, Tilleda sits where glacial deposits over Precambrian bedrock can facilitate radon gas migration into homes. Testing data remains limited for zip code 54978, making home testing particularly important for residents to understand their individual exposure levels.

8.00

pCi/L area average

Above EPA Action Level

Shawano County average: 8.00 pCi/L, based on 3 user-submitted tests across 3 cities in the county. No homeowner readings have been submitted for Tilleda 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+

Tilleda, 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 Tilleda, WI

No homeowner tests have been submitted for Tilleda 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
Gresham	6.7 mi	9.00 pCi/L	1
Wittenberg	13.3 mi	11.00 pCi/L	1
Antigo	26.1 mi	19.00 pCi/L	1
Pulaski	32.5 mi	4.00 pCi/L	1
Deerbrook	33.6 mi	8.00 pCi/L	1
Mountain	35.2 mi	16.00 pCi/L	1
Stevens Point	36.1 mi	6.00 pCi/L	3
Townsend	38.5 mi	6.00 pCi/L	1

Shawano County Radon Profile

Because of its underlying geology, Shawano County is mapped as EPA Radon Zone 1 — the most elevated classification — where predicted indoor screening averages exceed 4 pCi/L. Homeowner-submitted tests from 3 cities in Shawano County average 8.00 pCi/L across 3 tests — above the EPA's 4 pCi/L action level, reinforcing the need for testing across the county. As the second leading cause of lung cancer in the U.S., radon warrants testing in every Shawano County home regardless of zone or a neighbor's results.

Radon FAQ for Tilleda, WI

What EPA Radon Zone is Tilleda in?

Tilleda and the 54978 zip code are in Shawano County, which has an EPA assigned Radon Zone of 1. A zone of 1 predicts an average indoor radon screening level greater than 4 pCi/L.

Why are radon readings shown from areas near Tilleda?

No homeowner radon tests have been submitted for Tilleda yet. Because radon is driven by regional soil and bedrock geology, readings from the closest cities—and the Shawano County average—are the best available indicator of local conditions until Tilleda 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 Tilleda?

Radon mitigation in Tilleda 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 Tilleda?

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.