Westfield, WI Radon Levels

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.

Check local Westfield radon levels and find certified testing and mitigation professionals to keep your home safe

Westfield, WI Radon Facts

EPA Radon Zone Zone 2 — Moderate Risk 2–4 pCi/L (Zone 2)

County Marquette County, WI

Zip Code 53964

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.

9.27

pCi/L area average

Above EPA Action Level

Nearby homeowner readings average 9.27 pCi/L, based on 11 tests from 10 nearby cities. No readings have been submitted for Westfield yet, so the closest recorded data is shown as a benchmark. The EPA recommends taking action at or above 4.0 pCi/L.

4.0 EPA

10+

Westfield, WI Radon Mitigation

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

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Radon Readings Near Westfield, WI

No homeowner tests have been submitted for Westfield yet. The closest cities with user-submitted radon data are shown below — explore them to gauge local conditions. Radon varies by home, so testing is the only way to know your level.

City	Distance	Avg User Level	Readings
Coloma	9.0 mi	17.00 pCi/L	1
Hancock	16.2 mi	5.00 pCi/L	1
Wautoma	16.5 mi	15.00 pCi/L	1
Friendship	16.8 mi	20.00 pCi/L	1
Portage	24.0 mi	9.00 pCi/L	1
Pardeeville	26.6 mi	4.00 pCi/L	1
Green Lake	26.8 mi	6.00 pCi/L	1
Necedah	29.3 mi	7.50 pCi/L	2

Marquette County Radon Profile

Marquette County is mapped as EPA Radon Zone 2, where the local geology is predicted to produce moderate indoor screening levels between 2 and 4 pCi/L. User-submitted readings are still sparse within Marquette County itself, so the nearby measurements shown on this page provide the closest real-world picture of local radon conditions. Radon is the second leading cause of lung cancer in the United States, and a short-term test is the only way to confirm a specific home's level in Marquette County.

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.

Why are radon readings shown from areas near Westfield?

No homeowner radon tests have been submitted for Westfield yet. Because radon is driven by regional soil and bedrock geology, readings from the closest cities—and the Marquette County average—are the best available indicator of local conditions until Westfield homeowners submit their own results. The EPA still recommends testing every individual home, since levels can vary significantly from house to house.

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.