Brillion, WI Radon Mitigation and Testing

Q: What EPA Radon Zone is Brillion in?

Brillion is in Calumet County, EPA Zone 2.

Q: How much does radon mitigation cost in Brillion?

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

Calumet County

EPA Zone 2

Situated in Calumet County within both the Appleton and Green Bay metro areas, Brillion sits in zip code 54110 where glacial deposits over dolomite bedrock create moderate radon potential. The community's EPA Zone 2 designation reflects Wisconsin's complex glacial geology that can produce variable radon levels across relatively small areas. Although local testing data remains limited, Brillion residents should conduct radon testing to understand their individual exposure risk.

Brillion, WI Radon Mitigation

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

Brillion, WI Radon Testing

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

Brillion Radon Facts

Key details about the radon risk profile for Brillion and the 54110 zip code area.

EPA Radon Zone

Zone 2 — Moderate Risk

County

Calumet County, WI

Zip Code

54110

Predicted Screening Level

2–4 pCi/L (Zone 2)

Brillion and the 54110 zip code are located in Calumet County, which has an EPA assigned Radon Zone of 2. A radon zone of 2 predicts an average indoor radon screening level between 2 and 4 pCi/L. The EPA recommends testing every home regardless of zone classification.

Radon FAQ for Brillion, WI

What EPA Radon Zone is Brillion in?

Brillion and the 54110 zip code are in Calumet 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.

How much does radon mitigation cost in Brillion?

Radon mitigation in Brillion 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 Brillion?

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