Clayton, IL Radon Mitigation and Testing

Q: What EPA Radon Zone is Clayton in?

Clayton is in Adams County, EPA Zone 1.

Q: How much does radon mitigation cost in Clayton?

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

Adams County

EPA Zone 1

Situated along the Mississippi River in western Illinois's Adams County, Clayton lies in EPA Zone 1 where comprehensive radon testing data is not available. The area's river valley alluvial soils over limestone bedrock can create variable radon conditions, with some homes potentially exceeding expected levels for the zone classification. Residents in zip code 62324 should consider radon testing, particularly in homes with basements where radon gas can accumulate.

Clayton, IL Radon Mitigation

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

Clayton, IL Radon Testing

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

Clayton Radon Facts

Key details about the radon risk profile for Clayton and the 62324 zip code area.

EPA Radon Zone

Zone 1 — High Risk

County

Adams County, IL

Zip Code

62324

Predicted Screening Level

> 4.0 pCi/L (Zone 1)

Clayton and the 62324 zip code are located in Adams 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 Clayton, IL

What EPA Radon Zone is Clayton in?

Clayton and the 62324 zip code are in Adams 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 Clayton?

Radon mitigation in Clayton 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 Clayton?

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