Machesney Park, IL Radon Mitigation and Testing

Q: What EPA Radon Zone is Machesney Park in?

Machesney Park is in Winnebago County, EPA Zone 1.

Q: How much does radon mitigation cost in Machesney Park?

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

Winnebago County

EPA Zone 1

Part of the Rockford Metro area in Winnebago County, Machesney Park lies within Illinois's northwest suburban and exurban belt where glacial till deposits from the Wisconsin glaciation create soil conditions highly favorable for radon gas production. While specific local testing data is currently limited for zip code 61115, the area's dense clay and glacial drift over limestone bedrock suggests residents should prioritize radon testing. Given the region's geological characteristics, homeowners are encouraged to test regardless of limited current data availability.

Machesney Park, IL Radon Mitigation

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

Machesney Park, IL Radon Testing

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

Machesney Park Radon Facts

Key details about the radon risk profile for Machesney Park and the 61115 zip code area.

EPA Radon Zone

Zone 1 — High Risk

County

Winnebago County, IL

Zip Code

61115

Predicted Screening Level

> 4.0 pCi/L (Zone 1)

Machesney Park and the 61115 zip code are located in Winnebago 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 Machesney Park, IL

What EPA Radon Zone is Machesney Park in?

Machesney Park and the 61115 zip code are in Winnebago 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 Machesney Park?

Radon mitigation in Machesney Park 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 Machesney Park?

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