Timewell, IL Radon Mitigation and Testing

Q: What EPA Radon Zone is Timewell in?

Timewell is in Brown County, EPA Zone 1.

Q: How much does radon mitigation cost in Timewell?

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

Brown County

EPA Zone 1

Situated in Brown County along the Illinois River valley, Timewell features alluvial soils over limestone bedrock that can influence radon gas movement patterns. Current testing data for zip code 62375 is limited, making home testing essential for residents in this western Illinois community. Both historic farmhouses and newer construction should be tested, as radon levels can vary significantly even within small rural areas.

Timewell, IL Radon Mitigation

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

Timewell, IL Radon Testing

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

Timewell Radon Facts

Key details about the radon risk profile for Timewell and the 62375 zip code area.

EPA Radon Zone

Zone 1 — High Risk

County

Brown County, IL

Zip Code

62375

Predicted Screening Level

> 4.0 pCi/L (Zone 1)

Timewell and the 62375 zip code are located in Brown 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 Timewell, IL

What EPA Radon Zone is Timewell in?

Timewell and the 62375 zip code are in Brown 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 Timewell?

Radon mitigation in Timewell 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 Timewell?

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