Junction, IL Radon Levels

Q: What EPA Radon Zone is Junction in?

Junction is in Gallatin County, EPA Zone 2.

Q: How much does radon mitigation cost in Junction?

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

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

Junction, IL Radon Facts

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

County Gallatin County, IL

Zip Code 62954

Located in Gallatin County in southern Illinois, Junction sits within the region's coal-bearing geological formations where Pennsylvanian-era bedrock creates generally moderate radon conditions. Testing data is currently unavailable for this 62954 zip code community, making individual home testing important. The area's EPA Zone 2 designation suggests moderate radon potential, though southern Illinois homes with basements or built near limestone outcrops should still be tested for radon accumulation.

5.00

pCi/L area average

Above EPA Action Level

Nearby homeowner readings average 5.00 pCi/L, based on 1 test from 1 nearby city. No readings have been submitted for Junction 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+

Junction, 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 Junction, IL

No homeowner tests have been submitted for Junction 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
Marion	37.2 mi	5.00 pCi/L	1

Gallatin County Radon Profile

The soils and bedrock of Gallatin 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 Gallatin 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 Gallatin County to test, as levels can differ between neighboring homes.

Radon FAQ for Junction, IL

What EPA Radon Zone is Junction in?

Junction and the 62954 zip code are in Gallatin 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 Junction?

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

Radon mitigation in Junction 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 Junction?

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.