Little York, IL Radon Levels

Q: What EPA Radon Zone is Little York in?

Little York is in Warren County, EPA Zone 1.

Q: How much does radon mitigation cost in Little York?

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

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

Little York, IL Radon Facts

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

County Warren County, IL

Zip Code 61453

This small Warren County community sits in western Illinois where Pennsylvanian-era bedrock can contribute to radon production in soil gases. With limited testing data currently available for ZIP code 61453, local homeowners are encouraged to conduct radon testing regardless of home age or foundation type. The area's predominantly older housing stock may have foundation characteristics that allow radon entry.

8.00

pCi/L area average

Above EPA Action Level

Warren County average: 8.00 pCi/L, based on 1 user-submitted test across 1 city in the county. No homeowner readings have been submitted for Little York 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+

Little York, 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 Little York, IL

No homeowner tests have been submitted for Little York 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	8.7 mi	8.00 pCi/L	1
New Windsor	19.2 mi	6.00 pCi/L	1
Stronghurst	20.7 mi	13.00 pCi/L	2
Knoxville	24.5 mi	8.00 pCi/L	1
Orion	30.2 mi	4.00 pCi/L	1
Coal Valley	32.2 mi	12.00 pCi/L	1
Rock Island	34.1 mi	4.50 pCi/L	2
Moline	35.1 mi	5.00 pCi/L	1

Warren County Radon Profile

Warren 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 Warren County average 8.00 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 Warren County to test, as levels can differ between neighboring homes.

Radon FAQ for Little York, IL

What EPA Radon Zone is Little York in?

Little York and the 61453 zip code are in Warren 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 Little York?

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

Radon mitigation in Little York 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 Little York?

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.