Cambria, WI Radon Mitigation and Testing

Q: What EPA Radon Zone is Cambria in?

Cambria is in Columbia County, EPA Zone 2.

Q: How much does radon mitigation cost in Cambria?

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

Columbia County

EPA Zone 2

Situated in Columbia County within the Madison Metro area, Cambria lies in Wisconsin's glacial landscape where prairie meets rolling hills. The community features a mix of historic homes and newer construction, many with full basements typical of Wisconsin residential architecture. Limited testing data exists for the 53923 area, though the underlying glacial deposits and bedrock geology suggest homeowners should prioritize radon testing.

Cambria, WI Radon Mitigation

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

Cambria, WI Radon Testing

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

Cambria Radon Facts

Key details about the radon risk profile for Cambria and the 53923 zip code area.

EPA Radon Zone

Zone 2 — Moderate Risk

County

Columbia County, WI

Zip Code

53923

Predicted Screening Level

2–4 pCi/L (Zone 2)

Cambria and the 53923 zip code are located in Columbia 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 Cambria, WI

What EPA Radon Zone is Cambria in?

Cambria and the 53923 zip code are in Columbia 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 Cambria?

Radon mitigation in Cambria 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 Cambria?

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