Seaton, IL Radon Mitigation and Testing

Q: What EPA Radon Zone is Seaton in?

Seaton is in Mercer County, EPA Zone 1.

Q: How much does radon mitigation cost in Seaton?

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

Mercer County

EPA Zone 1

Western Illinois community Seaton sits in Mercer County within the Davenport Metro area, where EPA Zone 1 designation reflects high radon potential from underlying limestone bedrock. Testing data for zip code 61476 is currently limited, making radon testing essential for all residents. The area's geological conditions, typical of western Illinois, consistently produce elevated radon levels that require mitigation in many homes.

Seaton, IL Radon Mitigation

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

Seaton, IL Radon Testing

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

Seaton Radon Facts

Key details about the radon risk profile for Seaton and the 61476 zip code area.

EPA Radon Zone

Zone 1 — High Risk

County

Mercer County, IL

Zip Code

61476

Predicted Screening Level

> 4.0 pCi/L (Zone 1)

Seaton and the 61476 zip code are located in Mercer 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 Seaton, IL

What EPA Radon Zone is Seaton in?

Seaton and the 61476 zip code are in Mercer 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 Seaton?

Radon mitigation in Seaton 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 Seaton?

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