Knapp, WI Radon Mitigation and Testing

Q: What EPA Radon Zone is Knapp in?

Knapp is in Dunn County, EPA Zone 2.

Q: How much does radon mitigation cost in Knapp?

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

Dunn County

EPA Zone 2

This Dunn County community sits in western Wisconsin's driftless region, part of the Minneapolis-St. Paul metropolitan area where sandstone and limestone formations create moderate-to-high radon potential. The area's rural character and mix of older farmsteads with newer residential construction, combined with limited testing data, suggest homeowners should prioritize radon assessment. Residents throughout zip code 54749 should consider professional testing, especially given Wisconsin's documented radon concerns and the region's geology conducive to gas accumulation.

Knapp, WI Radon Mitigation

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

Knapp, WI Radon Testing

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

Knapp Radon Facts

Key details about the radon risk profile for Knapp and the 54749 zip code area.

EPA Radon Zone

Zone 2 — Moderate Risk

County

Dunn County, WI

Zip Code

54749

Predicted Screening Level

2–4 pCi/L (Zone 2)

Knapp and the 54749 zip code are located in Dunn 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 Knapp, WI

What EPA Radon Zone is Knapp in?

Knapp and the 54749 zip code are in Dunn 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 Knapp?

Radon mitigation in Knapp 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 Knapp?

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