Seaton, IL Radon Levels

Q: What EPA Radon Zone is Seaton in?

Seaton is in Mercer County, EPA Zone 1.

Q: Why are radon readings shown from areas near Seaton?

No homeowner radon tests have been submitted for Seaton yet, so readings from the closest cities and the Mercer County average are used as the best available indicator of local conditions. The EPA recommends testing every individual home.

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.

Check local Seaton radon levels and find certified testing and mitigation professionals to keep your home safe

Seaton, IL Radon Facts

EPA Radon Zone Zone 1 — High Risk > 4.0 pCi/L (Zone 1)

County Mercer County, IL

Zip Code 61476

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.

6.00

pCi/L area average

Above EPA Action Level

Mercer County average: 6.00 pCi/L, based on 1 user-submitted test across 1 city in the county. No homeowner readings have been submitted for Seaton itself yet, so this county figure is the closest available benchmark. The EPA recommends taking action at or above 4.0 pCi/L.

4.0 EPA

10+

Seaton, IL Radon Mitigation

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

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Radon Readings Near Seaton, IL

No homeowner tests have been submitted for Seaton yet. The closest cities with user-submitted radon data are shown below — explore them to gauge local conditions. Radon varies by home, so testing is the only way to know your level.

City	Distance	Avg User Level	Readings
Monmouth	14.7 mi	8.00 pCi/L	1
New Windsor	20.9 mi	6.00 pCi/L	1
Stronghurst	22.8 mi	13.00 pCi/L	2
Knoxville	30.2 mi	8.00 pCi/L	1
Orion	30.4 mi	4.00 pCi/L	1
Coal Valley	31.2 mi	12.00 pCi/L	1
Rock Island	31.9 mi	4.50 pCi/L	2
Moline	33.5 mi	5.00 pCi/L	1

Mercer County Radon Profile

Because of its underlying geology, Mercer County is mapped as EPA Radon Zone 1 — the most elevated classification — where predicted indoor screening averages exceed 4 pCi/L. Homeowner-submitted tests from 1 city in Mercer County average 6.00 pCi/L across 1 test — above the EPA's 4 pCi/L action level, reinforcing the need for testing across the county. As the second leading cause of lung cancer in the U.S., radon warrants testing in every Mercer County home regardless of zone or a neighbor's results.

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.

Why are radon readings shown from areas near Seaton?

No homeowner radon tests have been submitted for Seaton yet. Because radon is driven by regional soil and bedrock geology, readings from the closest cities—and the Mercer County average—are the best available indicator of local conditions until Seaton homeowners submit their own results. The EPA still recommends testing every individual home, since levels can vary significantly from house to house.

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.