Rio, WI Radon Mitigation and Testing

Q: What EPA Radon Zone is Rio in?

Rio is in Columbia County, EPA Zone 2.

Q: How much does radon mitigation cost in Rio?

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

Located in Columbia County within the Madison Metro area, Rio sits atop glacial terrain and underlying Paleozoic bedrock that can produce moderate to elevated radon levels. Testing data for zip code 53960 remains limited, making individual home assessment essential for residents. The EPA Zone 2 classification reflects moderate radon potential typical of south-central Wisconsin's geological conditions.

Rio, WI Radon Mitigation

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

Rio, WI Radon Testing

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

Rio Radon Facts

Key details about the radon risk profile for Rio and the 53960 zip code area.

EPA Radon Zone

Zone 2 — Moderate Risk

County

Columbia County, WI

Zip Code

53960

Predicted Screening Level

2–4 pCi/L (Zone 2)

Rio and the 53960 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 Rio, WI

What EPA Radon Zone is Rio in?

Rio and the 53960 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 Rio?

Radon mitigation in Rio 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 Rio?

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