Xenia, IL Radon Levels

Q: What EPA Radon Zone is Xenia in?

Xenia is in Clay County, EPA Zone 2.

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

No homeowner radon tests have been submitted for Xenia yet, so readings from the closest cities and the Clay 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 Xenia?

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

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

Xenia, IL Radon Facts

EPA Radon Zone Zone 2 — Moderate Risk 2–4 pCi/L (Zone 2)

County Clay County, IL

Zip Code 62899

Xenia in rural Clay County sits within Illinois's southern region where Pennsylvanian-era geological formations create moderate radon potential. With limited testing data available for zip code 62899, professional radon testing is recommended for all residents to establish baseline readings. Illinois's diverse geology and mix of rural housing stock, from older farmhouses to manufactured homes, require individualized approaches to radon assessment and potential mitigation.

5.55

pCi/L area average

Above EPA Action Level

Nearby homeowner readings average 5.55 pCi/L, based on 9 tests from 6 nearby cities. No readings have been submitted for Xenia 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+

Xenia, 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 Xenia, IL

No homeowner tests have been submitted for Xenia 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
Kell	17.2 mi	5.00 pCi/L	1
Mount Vernon	26.6 mi	4.00 pCi/L	1
Effingham	33.8 mi	4.33 pCi/L	3
Carlyle	40.3 mi	13.00 pCi/L	1
Bridgeport	47.1 mi	5.00 pCi/L	1
Mount Carmel	48.1 mi	5.00 pCi/L	2

Clay County Radon Profile

EPA mapping assigns Clay County to Radon Zone 2, indicating moderate predicted indoor screening levels in the 2 to 4 pCi/L range based on regional geology. Direct test data for Clay County remains limited, so the closest neighboring readings are used here to represent the radon conditions homeowners are likely to encounter. As the second leading cause of lung cancer in the U.S., radon warrants testing in every Clay County home regardless of zone or a neighbor's results.

Radon FAQ for Xenia, IL

What EPA Radon Zone is Xenia in?

Xenia and the 62899 zip code are in Clay County, which has an EPA assigned Radon Zone of 2. A zone of 2 predicts an average indoor radon screening level between 2 and 4 pCi/L.

Why are radon readings shown from areas near Xenia?

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

Radon mitigation in Xenia 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 Xenia?

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.