Winslow, IL Radon Mitigation and Testing

Q: What EPA Radon Zone is Winslow in?

Winslow is in Stephenson County, EPA Zone 1.

Q: How much does radon mitigation cost in Winslow?

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

Stephenson County

EPA Zone 1

Small-town Winslow in Stephenson County sits on glacial deposits over dolomite bedrock characteristic of northwestern Illinois geology. Testing data for this 61089 community is currently limited, making individual home assessment essential for residents. The area's rural setting and typical Midwest housing with full basements make radon testing especially important.

Winslow, IL Radon Mitigation

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

Winslow, IL Radon Testing

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

Winslow Radon Facts

Key details about the radon risk profile for Winslow and the 61089 zip code area.

EPA Radon Zone

Zone 1 — High Risk

County

Stephenson County, IL

Zip Code

61089

Predicted Screening Level

> 4.0 pCi/L (Zone 1)

Winslow and the 61089 zip code are located in Stephenson 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 Winslow, IL

What EPA Radon Zone is Winslow in?

Winslow and the 61089 zip code are in Stephenson 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 Winslow?

Radon mitigation in Winslow 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 Winslow?

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