Amherst, WI Radon Mitigation and Testing

Q: What EPA Radon Zone is Amherst in?

Amherst is in Portage County, EPA Zone 1.

Q: How much does radon mitigation cost in Amherst?

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

Portage County

EPA Zone 1

Located in central Wisconsin's Portage County, Amherst sits within EPA Zone 1 where comprehensive radon testing data for zip code 54406 is still developing. The area's sandy glacial outwash soils typically allow for better radon dispersion than clay-rich regions, though localized conditions can vary significantly. Testing remains important for homeowners, especially those with basement foundations or properties near wetland areas where soil conditions may trap radon.

Amherst, WI Radon Mitigation

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

Amherst, WI Radon Testing

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

Amherst Radon Facts

Key details about the radon risk profile for Amherst and the 54406 zip code area.

EPA Radon Zone

Zone 1 — High Risk

County

Portage County, WI

Zip Code

54406

Predicted Screening Level

> 4.0 pCi/L (Zone 1)

Amherst and the 54406 zip code are located in Portage 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 Amherst, WI

What EPA Radon Zone is Amherst in?

Amherst and the 54406 zip code are in Portage 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 Amherst?

Radon mitigation in Amherst 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 Amherst?

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