Carmi, IL Radon Levels

Q: What EPA Radon Zone is Carmi in?

Carmi is in White County, EPA Zone 2.

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

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

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

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

Carmi, IL Radon Facts

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

County White County, IL

Zip Code 62821

Carmi, the county seat of White County, sits on Pennsylvanian-era bedrock and glacial deposits in southeastern Illinois. While specific testing data for zip code 62821 is limited, the region's coal-bearing geology can produce moderate radon levels in area homes. Local housing stock includes both historic downtown buildings and newer residential developments with varying foundation characteristics that influence radon accumulation patterns.

4.80

pCi/L area average

Above EPA Action Level

Nearby homeowner readings average 4.80 pCi/L, based on 5 tests from 4 nearby cities. No readings have been submitted for Carmi 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+

Carmi, 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 Carmi, IL

No homeowner tests have been submitted for Carmi 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	30.8 mi	5.00 pCi/L	2
Mount Vernon	43.5 mi	4.00 pCi/L	1
Marion	48.3 mi	5.00 pCi/L	1
Bridgeport	48.4 mi	5.00 pCi/L	1

White County Radon Profile

White 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 White 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 White County.

Radon FAQ for Carmi, IL

What EPA Radon Zone is Carmi in?

Carmi and the 62821 zip code are in White 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 Carmi?

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

Radon mitigation in Carmi 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 Carmi?

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.