Carman, IL Radon Mitigation and Testing

Q: What EPA Radon Zone is Carman in?

Carman is in Henderson County, EPA Zone 1.

Q: How much does radon mitigation cost in Carman?

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

Henderson County

EPA Zone 1

This small Henderson County community along the Mississippi River sits on alluvial deposits that typically produce lower radon levels in western Illinois. While specific testing data for zip code 61425 is limited, the area's proximity to the river and underlying geology suggest moderate radon potential. Rural homes with various foundation types should still undergo individual radon testing for accurate assessment.

Carman, IL Radon Mitigation

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

Carman, IL Radon Testing

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

Carman Radon Facts

Key details about the radon risk profile for Carman and the 61425 zip code area.

EPA Radon Zone

Zone 1 — High Risk

County

Henderson County, IL

Zip Code

61425

Predicted Screening Level

> 4.0 pCi/L (Zone 1)

Carman and the 61425 zip code are located in Henderson 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 Carman, IL

What EPA Radon Zone is Carman in?

Carman and the 61425 zip code are in Henderson 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 Carman?

Radon mitigation in Carman 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 Carman?

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