Hoyleton, IL Radon Levels

Q: What EPA Radon Zone is Hoyleton in?

Hoyleton is in Washington County, EPA Zone 2.

Q: How much does radon mitigation cost in Hoyleton?

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

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

Hoyleton, IL Radon Facts

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

County Washington County, IL

Zip Code 62803

This small Washington County community in south-central Illinois falls within EPA Zone 2, where the region's coal-bearing geology creates moderate radon conditions. Rural housing here typically features older farmhouses and ranch homes, many with partial basements or crawl spaces that can facilitate radon entry. With testing data currently limited for zip code 62803, local residents should conduct radon measurements to establish their individual risk levels.

7.00

pCi/L area average

Above EPA Action Level

Nearby homeowner readings average 7.00 pCi/L, based on 14 tests from 10 nearby cities. No readings have been submitted for Hoyleton 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+

Hoyleton, 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 Hoyleton, IL

No homeowner tests have been submitted for Hoyleton 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
Carlyle	11.8 mi	13.00 pCi/L	1
Kell	21.9 mi	5.00 pCi/L	1
Mount Vernon	23.2 mi	4.00 pCi/L	1
Mascoutah	26.1 mi	6.50 pCi/L	2
Marissa	27.7 mi	4.00 pCi/L	1
Lebanon	28.8 mi	10.50 pCi/L	2
Highland	29.7 mi	6.00 pCi/L	1
O Fallon	33.0 mi	6.00 pCi/L	1

Washington County Radon Profile

The soils and bedrock of Washington County place it in EPA Radon Zone 2, a moderate-risk classification with predicted indoor averages of 2 to 4 pCi/L. Few homeowner tests have been logged inside Washington 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 Washington County to test, as levels can differ between neighboring homes.

Radon FAQ for Hoyleton, IL

What EPA Radon Zone is Hoyleton in?

Hoyleton and the 62803 zip code are in Washington 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 Hoyleton?

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

Radon mitigation in Hoyleton 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 Hoyleton?

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.