Forsyth, IL Radon Mitigation and Testing

Q: What EPA Radon Zone is Forsyth in?

Forsyth is in Macon County, EPA Zone 1.

Q: How much does radon mitigation cost in Forsyth?

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

Macon County

EPA Zone 1

Positioned in Macon County in central Illinois, Forsyth sits within deep glacial moraine deposits over limestone bedrock that contribute to the region's moderate-to-high radon potential. The community features predominantly newer suburban development with homes built since the 1970s, most including full basements where radon can accumulate. While specific testing data for zip code 62535 remains limited, the EPA Zone 1 classification indicates that all residents should test their homes for radon.

Forsyth, IL Radon Mitigation

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

Forsyth, IL Radon Testing

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

Forsyth Radon Facts

Key details about the radon risk profile for Forsyth and the 62535 zip code area.

EPA Radon Zone

Zone 1 — High Risk

County

Macon County, IL

Zip Code

62535

Predicted Screening Level

> 4.0 pCi/L (Zone 1)

Forsyth and the 62535 zip code are located in Macon 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 Forsyth, IL

What EPA Radon Zone is Forsyth in?

Forsyth and the 62535 zip code are in Macon 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 Forsyth?

Radon mitigation in Forsyth 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 Forsyth?

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