Xenia, IL Radon Mitigation and Testing

Q: What EPA Radon Zone is Xenia in?

Xenia is in Clay County, EPA Zone 2.

Q: How much does radon mitigation cost in Xenia?

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

Clay County

EPA Zone 2

Xenia in rural Clay County sits within Illinois's southern region where Pennsylvanian-era geological formations create moderate radon potential. With limited testing data available for zip code 62899, professional radon testing is recommended for all residents to establish baseline readings. Illinois's diverse geology and mix of rural housing stock, from older farmhouses to manufactured homes, require individualized approaches to radon assessment and potential mitigation.

Xenia, IL Radon Mitigation

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

Xenia, IL Radon Testing

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

Xenia Radon Facts

Key details about the radon risk profile for Xenia and the 62899 zip code area.

EPA Radon Zone

Zone 2 — Moderate Risk

County

Clay County, IL

Zip Code

62899

Predicted Screening Level

2–4 pCi/L (Zone 2)

Xenia and the 62899 zip code are located in Clay 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 Xenia, IL

What EPA Radon Zone is Xenia in?

Xenia and the 62899 zip code are in Clay 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 Xenia?

Radon mitigation in Xenia 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 Xenia?

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 Illinois

Cities with the most user-submitted radon test data in the state.

City	Avg User Radon Level	Submissions
Buffalo Grove	6.10 pCi/L	10
Crystal Lake	7.25 pCi/L	8
Lake Zurich	6.00 pCi/L	7
Grayslake	5.00 pCi/L	7
New Lenox	10.17 pCi/L	6
Park Ridge	7.00 pCi/L	6
Arlington Heights	6.17 pCi/L	6
Waterloo	9.20 pCi/L	5
Palatine	7.80 pCi/L	5
Round Lake	7.80 pCi/L	5
Northbrook	6.20 pCi/L	5
Mchenry	11.00 pCi/L	4
Dekalb	8.75 pCi/L	4
Columbia	8.00 pCi/L	4
Lisle	7.25 pCi/L	4
Normal	7.25 pCi/L	4
Antioch	7.00 pCi/L	4
Elk Grove Village	7.00 pCi/L	4
Aurora	6.75 pCi/L	4
Hoffman Estates	6.75 pCi/L	4