Roanoke, IL Radon Mitigation and Testing

Q: What EPA Radon Zone is Roanoke in?

Roanoke is in Woodford County, EPA Zone 1.

Q: How much does radon mitigation cost in Roanoke?

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

Woodford County

EPA Zone 1

Set in Woodford County within the Peoria Metro area, Roanoke sits on central Illinois's characteristic glacial deposits over limestone bedrock. Testing data for radon levels remains limited in the 61561 zip code area, but the region's geology and prevalence of full basements in local housing stock suggest homeowners should consider professional testing.

Roanoke, IL Radon Mitigation

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

Roanoke, IL Radon Testing

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

Roanoke Radon Facts

Key details about the radon risk profile for Roanoke and the 61561 zip code area.

EPA Radon Zone

Zone 1 — High Risk

County

Woodford County, IL

Zip Code

61561

Predicted Screening Level

> 4.0 pCi/L (Zone 1)

Roanoke and the 61561 zip code are located in Woodford 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 Roanoke, IL

What EPA Radon Zone is Roanoke in?

Roanoke and the 61561 zip code are in Woodford 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 Roanoke?

Radon mitigation in Roanoke 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 Roanoke?

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