Athens, WI Radon Mitigation and Testing

Q: What EPA Radon Zone is Athens in?

Athens is in Marathon County, EPA Zone 1.

Q: How much does radon mitigation cost in Athens?

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

Marathon County

EPA Zone 1

Nestled in central Wisconsin's Marathon County, Athens sits on glacial deposits over Precambrian bedrock that can contribute to variable radon levels throughout the north-central region. While comprehensive testing data is not yet available for this rural community, the underlying geology suggests homeowners should conduct professional radon testing. Local housing includes both historic farmsteads and newer construction, creating diverse basement and foundation conditions that warrant monitoring for radon accumulation.

Athens, WI Radon Mitigation

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

Athens, WI Radon Testing

Finding qualified radon testing professionals is the first step toward protecting your home.

Athens Radon Facts

Key details about the radon risk profile for Athens and the 54411 zip code area.

EPA Radon Zone

Zone 1 — High Risk

County

Marathon County, WI

Zip Code

54411

Predicted Screening Level

> 4.0 pCi/L (Zone 1)

Athens and the 54411 zip code are located in Marathon County, which has an EPA assigned Radon Zone of 1. A radon zone of 1 predicts an average indoor radon screening level greater than 4 pCi/L. The EPA recommends testing every home regardless of zone classification.

Radon FAQ for Athens, WI

What EPA Radon Zone is Athens in?

Athens and the 54411 zip code are in Marathon 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.

How much does radon mitigation cost in Athens?

Radon mitigation in Athens 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 Athens?

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.

Most Active Radon Markets in Wisconsin

Cities with the most user-submitted radon test data in the state.

City	Avg User Radon Level	Submissions
Milwaukee	10.00 pCi/L	3
Prairie Du Chien	10.00 pCi/L	2
Stevens Point	5.50 pCi/L	2
Menomonie	10.00 pCi/L	1
Delavan	6.00 pCi/L	1
Shawano	No submissions	0
Sturgeon Bay	No submissions	0