Forreston, IL Radon Mitigation and Testing

Q: What EPA Radon Zone is Forreston in?

Forreston is in Ogle County, EPA Zone 1.

Q: How much does radon mitigation cost in Forreston?

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

Ogle County

EPA Zone 1

Nestled in Ogle County in northern Illinois, Forreston benefits from its rural setting but sits atop glacial till deposits that can produce elevated radon levels. The area's housing mix includes historic farmstead properties and newer rural homes, many with full or partial basements typical of northern Illinois construction. Testing data for the 61030 area remains limited, making individual radon testing important for residents despite the community's small size.

Forreston, IL Radon Mitigation

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

Forreston, IL Radon Testing

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

Forreston Radon Facts

Key details about the radon risk profile for Forreston and the 61030 zip code area.

EPA Radon Zone

Zone 1 — High Risk

County

Ogle County, IL

Zip Code

61030

Predicted Screening Level

> 4.0 pCi/L (Zone 1)

Forreston and the 61030 zip code are located in Ogle 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 Forreston, IL

What EPA Radon Zone is Forreston in?

Forreston and the 61030 zip code are in Ogle 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 Forreston?

Radon mitigation in Forreston 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 Forreston?

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