Ellisville, IL Radon Levels

Q: What EPA Radon Zone is Ellisville in?

Ellisville is in Fulton County, EPA Zone 1.

Q: How much does radon mitigation cost in Ellisville?

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

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

Ellisville, IL Radon Facts

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

County Fulton County, IL

Zip Code 61431

Located in west-central Illinois within Fulton County, Ellisville sits on deep glacial deposits over limestone bedrock that contribute to the region's moderate-to-high radon potential. The community features predominantly early-to-mid 20th century homes, many with full basements typical of Midwest construction practices. With no available radon testing data for the 61431 zip code, residents should prioritize professional testing to establish their home's radon levels.

6.00

pCi/L area average

Above EPA Action Level

Fulton 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 Ellisville 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+

Ellisville, 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 Ellisville, IL

No homeowner tests have been submitted for Ellisville 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
Cuba	9.2 mi	6.00 pCi/L	1
Knoxville	21.1 mi	8.00 pCi/L	1
Monmouth	28.2 mi	8.00 pCi/L	1
Mapleton	29.9 mi	8.00 pCi/L	1
Stronghurst	35.0 mi	13.00 pCi/L	2
Peoria	35.6 mi	5.00 pCi/L	1
Dunlap	37.7 mi	7.00 pCi/L	1
East Peoria	38.9 mi	8.00 pCi/L	3

Fulton County Radon Profile

Fulton County falls in EPA Radon Zone 1, meaning the local uranium-bearing geology is predicted to drive average indoor radon screening levels above the EPA's 4 pCi/L action threshold. Homeowner-submitted tests from 1 city in Fulton 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. Since radon is the second leading cause of lung cancer nationally, the EPA urges every household in Fulton County to test, as levels can differ between neighboring homes.

Radon FAQ for Ellisville, IL

What EPA Radon Zone is Ellisville in?

Ellisville and the 61431 zip code are in Fulton 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 Ellisville?

No homeowner radon tests have been submitted for Ellisville yet. Because radon is driven by regional soil and bedrock geology, readings from the closest cities—and the Fulton County average—are the best available indicator of local conditions until Ellisville 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 Ellisville?

Radon mitigation in Ellisville 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 Ellisville?

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.