Grayville, IL Radon Levels

Q: What EPA Radon Zone is Grayville in?

Grayville is in Edwards County, EPA Zone 2.

Q: How much does radon mitigation cost in Grayville?

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

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

Grayville, IL Radon Facts

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

County Edwards County, IL

Zip Code 62844

Southeastern Illinois's Edwards County community of Grayville lies in the state's oil and coal region, where Pennsylvanian sedimentary formations create moderate radon potential. While testing data for zip code 62844 is currently limited, the area's geology of coal-bearing shale and sandstone can produce radon accumulation in residential properties. Residents should consider radon testing, as the region's complex sedimentary layers are known to facilitate radon gas migration throughout southeastern Illinois communities.

4.75

pCi/L area average

Above EPA Action Level

Nearby homeowner readings average 4.75 pCi/L, based on 4 tests from 3 nearby cities. No readings have been submitted for Grayville 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+

Grayville, 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 Grayville, IL

No homeowner tests have been submitted for Grayville 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
Mount Carmel	15.6 mi	5.00 pCi/L	2
Bridgeport	33.3 mi	5.00 pCi/L	1
Mount Vernon	49.3 mi	4.00 pCi/L	1

Edwards County Radon Profile

Edwards County is mapped as EPA Radon Zone 2, where the local geology is predicted to produce moderate indoor screening levels between 2 and 4 pCi/L. User-submitted readings are still sparse within Edwards County itself, so the nearby measurements shown on this page provide the closest real-world picture of local radon conditions. Radon is the second leading cause of lung cancer in the United States, and a short-term test is the only way to confirm a specific home's level in Edwards County.

Radon FAQ for Grayville, IL

What EPA Radon Zone is Grayville in?

Grayville and the 62844 zip code are in Edwards 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 Grayville?

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

Radon mitigation in Grayville 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 Grayville?

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.