Waterloo, WI Radon Mitigation and Testing

Q: What EPA Radon Zone is Waterloo in?

Waterloo is in Jefferson County, EPA Zone 1.

Q: How much does radon mitigation cost in Waterloo?

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

Jefferson County

EPA Zone 1

Positioned in Jefferson County within the Madison Metro area, Waterloo currently has limited radon testing submissions available. Wisconsin's glacial geology and the prevalence of basement foundations throughout this region create conditions where radon testing is essential, as neighboring communities have recorded elevated levels.

Waterloo, WI Radon Mitigation

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

Waterloo, WI Radon Testing

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

Waterloo Radon Facts

Key details about the radon risk profile for Waterloo and the 53594 zip code area.

EPA Radon Zone

Zone 1 — High Risk

County

Jefferson County, WI

Zip Code

53594

Predicted Screening Level

> 4.0 pCi/L (Zone 1)

Waterloo and the 53594 zip code are located in Jefferson 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 Waterloo, WI

What EPA Radon Zone is Waterloo in?

Waterloo and the 53594 zip code are in Jefferson 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 Waterloo?

Radon mitigation in Waterloo 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 Waterloo?

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