Mount Sterling, IL Radon Mitigation and Testing

Q: What EPA Radon Zone is Mount Sterling in?

Mount Sterling is in Brown County, EPA Zone 1.

Q: How much does radon mitigation cost in Mount Sterling?

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

Positioned in Brown County along the Illinois River valley region, Mount Sterling sits on alluvial soils combined with underlying Ordovician limestone that create variable radon conditions throughout this EPA Zone 1 area. Housing in zip code 62353 includes both historic town architecture and rural residential properties, many featuring full or partial basements typical of western Illinois construction. With comprehensive radon testing data currently limited, local residents should conduct individual home testing to assess their specific radon exposure risk.

Mount Sterling, IL Radon Mitigation

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

Mount Sterling, IL Radon Testing

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

Mount Sterling Radon Facts

Key details about the radon risk profile for Mount Sterling and the 62353 zip code area.

EPA Radon Zone

Zone 1 — High Risk

County

Brown County, IL

Zip Code

62353

Predicted Screening Level

> 4.0 pCi/L (Zone 1)

Mount Sterling and the 62353 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 Mount Sterling, IL

What EPA Radon Zone is Mount Sterling in?

Mount Sterling and the 62353 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 Mount Sterling?

Radon mitigation in Mount Sterling 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 Mount Sterling?

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