Kilbourne, IL Radon Levels

Q: What EPA Radon Zone is Kilbourne in?

Kilbourne is in Mason County, EPA Zone 1.

Q: How much does radon mitigation cost in Kilbourne?

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

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

Kilbourne, IL Radon Facts

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

County Mason County, IL

Zip Code 62655

Located in Mason County along the Illinois River valley, Kilbourne sits on alluvial deposits over limestone bedrock that can contribute to variable radon conditions throughout central Illinois. The community's historic homes and rural properties, many featuring basements or crawl spaces, may experience radon accumulation depending on soil conditions and foundation construction. Since testing data for zip code 62655 is currently unavailable, homeowners should conduct radon testing to assess their individual risk levels.

6.57

pCi/L area average

Above EPA Action Level

Nearby homeowner readings average 6.57 pCi/L, based on 14 tests from 10 nearby cities. No readings have been submitted for Kilbourne yet, so the closest recorded data is shown as a benchmark. The EPA recommends taking action at or above 4.0 pCi/L.

4.0 EPA

10+

Kilbourne, 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 Kilbourne, IL

No homeowner tests have been submitted for Kilbourne 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
Lincolns New Salem	14.5 mi	8.00 pCi/L	1
Cuba	25.3 mi	6.00 pCi/L	1
Williamsville	27.9 mi	1.00 pCi/L	1
Springfield	31.4 mi	6.50 pCi/L	2
Jacksonville	31.7 mi	9.00 pCi/L	2
Mapleton	34.7 mi	8.00 pCi/L	1
Chatham	36.9 mi	3.00 pCi/L	1
Auburn	41.5 mi	6.00 pCi/L	1

Mason County Radon Profile

Mason 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. Few homeowner tests have been logged inside Mason County so far, which is why this page draws on the nearest recorded readings to illustrate regional radon levels. Since radon is the second leading cause of lung cancer nationally, the EPA urges every household in Mason County to test, as levels can differ between neighboring homes.

Radon FAQ for Kilbourne, IL

What EPA Radon Zone is Kilbourne in?

Kilbourne and the 62655 zip code are in Mason 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 Kilbourne?

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

Radon mitigation in Kilbourne 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 Kilbourne?

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.