Lewistown, IL Radon Mitigation and Testing

Q: What EPA Radon Zone is Lewistown in?

Lewistown is in Fulton County, EPA Zone 1.

Q: How much does radon mitigation cost in Lewistown?

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

Fulton County

EPA Zone 1

Positioned in Fulton County in west-central Illinois, Lewistown falls within EPA Zone 1 where elevated radon readings are common throughout the state's glacial till regions. The area's deep loess deposits over limestone bedrock create conditions conducive to radon gas production and migration into homes. Given the limited testing data available for zip code 61542, homeowners are encouraged to conduct radon tests to determine their specific exposure levels.

Lewistown, IL Radon Mitigation

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

Lewistown, IL Radon Testing

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

Lewistown Radon Facts

Key details about the radon risk profile for Lewistown and the 61542 zip code area.

EPA Radon Zone

Zone 1 — High Risk

County

Fulton County, IL

Zip Code

61542

Predicted Screening Level

> 4.0 pCi/L (Zone 1)

Lewistown and the 61542 zip code are located in Fulton 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 Lewistown, IL

What EPA Radon Zone is Lewistown in?

Lewistown and the 61542 zip code are in Fulton 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 Lewistown?

Radon mitigation in Lewistown 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 Lewistown?

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