Bancroft, WI Radon Mitigation and Testing

Q: What EPA Radon Zone is Bancroft in?

Bancroft is in Portage County, EPA Zone 1.

Q: How much does radon mitigation cost in Bancroft?

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

Set in central Wisconsin's Portage County, Bancroft is classified as EPA Zone 1, indicating the highest predicted radon potential statewide. Testing data remains limited for this rural community, emphasizing the importance of individual home testing. Wisconsin's glacial geology and underlying crystalline bedrock create conditions highly conducive to radon formation and migration into residential structures.

Bancroft, WI Radon Mitigation

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

Bancroft, WI Radon Testing

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

Bancroft Radon Facts

Key details about the radon risk profile for Bancroft and the 54921 zip code area.

EPA Radon Zone

Zone 1 — High Risk

County

Portage County, WI

Zip Code

54921

Predicted Screening Level

> 4.0 pCi/L (Zone 1)

Bancroft and the 54921 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 Bancroft, WI

What EPA Radon Zone is Bancroft in?

Bancroft and the 54921 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 Bancroft?

Radon mitigation in Bancroft 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 Bancroft?

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