Cassville, WI Radon Mitigation and Testing

Q: What EPA Radon Zone is Cassville in?

Cassville is in Grant County, EPA Zone 1.

Q: How much does radon mitigation cost in Cassville?

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

Grant County

EPA Zone 1

Positioned in Grant County along Wisconsin's driftless region near the Mississippi River, Cassville benefits from unique geological conditions where glacial deposits are minimal. However, the area's limestone bedrock can still produce radon gas, making testing important for homeowners. With limited radon data currently available for zip code 53806, residents should conduct their own testing to determine individual home risk levels.

Cassville, WI Radon Mitigation

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

Cassville, WI Radon Testing

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

Cassville Radon Facts

Key details about the radon risk profile for Cassville and the 53806 zip code area.

EPA Radon Zone

Zone 1 — High Risk

County

Grant County, WI

Zip Code

53806

Predicted Screening Level

> 4.0 pCi/L (Zone 1)

Cassville and the 53806 zip code are located in Grant 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 Cassville, WI

What EPA Radon Zone is Cassville in?

Cassville and the 53806 zip code are in Grant 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 Cassville?

Radon mitigation in Cassville 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 Cassville?

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