Deerfield, WI Radon Mitigation and Testing

Q: What EPA Radon Zone is Deerfield in?

Deerfield is in Dane County, EPA Zone 1.

Q: How much does radon mitigation cost in Deerfield?

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

Dane County

EPA Zone 1

Positioned in Dane County within the Madison Metro area, Deerfield's 53531 zip code sits in EPA Zone 1 on glacial deposits over Cambrian sandstone bedrock typical of south-central Wisconsin. Testing data for this rural community remains limited, making individual home testing important for residents. The area's combination of glacial till and underlying sedimentary bedrock creates geological conditions that can facilitate radon gas movement into structures.

Deerfield, WI Radon Mitigation

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

Deerfield, WI Radon Testing

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

Deerfield Radon Facts

Key details about the radon risk profile for Deerfield and the 53531 zip code area.

EPA Radon Zone

Zone 1 — High Risk

County

Dane County, WI

Zip Code

53531

Predicted Screening Level

> 4.0 pCi/L (Zone 1)

Deerfield and the 53531 zip code are located in Dane 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 Deerfield, WI

What EPA Radon Zone is Deerfield in?

Deerfield and the 53531 zip code are in Dane 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 Deerfield?

Radon mitigation in Deerfield 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 Deerfield?

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