Macomb, IL Radon Mitigation and Testing

Q: What EPA Radon Zone is Macomb in?

Macomb is in McDonough County, EPA Zone 1.

Q: How much does radon mitigation cost in Macomb?

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

McDonough County

EPA Zone 1

Located in McDonough County in western Illinois, Macomb currently lacks comprehensive radon testing data for reliable local analysis. The community sits within an area where Illinois River valley geology and underlying limestone formations create conditions that can influence radon accumulation. Residents in zip code 61455 should consider individual home testing, as Illinois's EPA Zone 1 classification indicates potential for elevated radon levels throughout much of the state.

Macomb, IL Radon Mitigation

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

Macomb, IL Radon Testing

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

Macomb Radon Facts

Key details about the radon risk profile for Macomb and the 61455 zip code area.

EPA Radon Zone

Zone 1 — High Risk

County

McDonough County, IL

Zip Code

61455

Predicted Screening Level

> 4.0 pCi/L (Zone 1)

Macomb and the 61455 zip code are located in McDonough 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 Macomb, IL

What EPA Radon Zone is Macomb in?

Macomb and the 61455 zip code are in McDonough 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 Macomb?

Radon mitigation in Macomb 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 Macomb?

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