Westfield, WI Radon Mitigation and Testing

Q: What EPA Radon Zone is Westfield in?

Westfield is in Marquette County, EPA Zone 2.

Q: How much does radon mitigation cost in Westfield?

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

Marquette County

EPA Zone 2

Located in central Wisconsin's Marquette County, Westfield sits on glacial deposits over Precambrian granite that contribute to the region's moderate radon potential. While specific testing data for the community is limited, the underlying geology suggests homeowners should test for radon. The area's housing mix includes seasonal cabins and year-round homes, with basement-equipped properties requiring particular attention.

Westfield, WI Radon Mitigation

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

Westfield, WI Radon Testing

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

Westfield Radon Facts

Key details about the radon risk profile for Westfield and the 53964 zip code area.

EPA Radon Zone

Zone 2 — Moderate Risk

County

Marquette County, WI

Zip Code

53964

Predicted Screening Level

2–4 pCi/L (Zone 2)

Westfield and the 53964 zip code are located in Marquette 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 Westfield, WI

What EPA Radon Zone is Westfield in?

Westfield and the 53964 zip code are in Marquette 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 Westfield?

Radon mitigation in Westfield 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 Westfield?

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