Olive Branch, IL Radon Levels

Q: What EPA Radon Zone is Olive Branch in?

Olive Branch is in Alexander County, EPA Zone 3.

Q: Why are radon readings shown from areas near Olive Branch?

No homeowner radon tests have been submitted for Olive Branch yet, so readings from the closest cities and the Alexander 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 Olive Branch?

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

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

Olive Branch, IL Radon Facts

EPA Radon Zone Zone 3 — Low Risk < 2.0 pCi/L (Zone 3)

County Alexander County, IL

Zip Code 62969

Located in far southern Alexander County near the confluence of the Mississippi and Ohio rivers, this community sits on alluvial deposits and underlying limestone formations that can affect radon accumulation patterns. Testing data remains limited for the 62969 zip code area, making individual home testing crucial for residents. The area's mix of older river town architecture and varied foundation types means radon levels can differ significantly between properties.

7.50

pCi/L area average

Above EPA Action Level

Nearby homeowner readings average 7.50 pCi/L, based on 2 tests from 2 nearby cities. No readings have been submitted for Olive Branch 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+

Olive Branch, 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 Olive Branch, IL

No homeowner tests have been submitted for Olive Branch 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
Murphysboro	41.3 mi	10.00 pCi/L	1
Marion	45.1 mi	5.00 pCi/L	1

Alexander County Radon Profile

The EPA maps Alexander County as Radon Zone 3, the lowest predicted classification, with modeled indoor screening levels under 2 pCi/L. Direct test data for Alexander 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 Alexander County home regardless of zone or a neighbor's results.

Radon FAQ for Olive Branch, IL

What EPA Radon Zone is Olive Branch in?

Olive Branch and the 62969 zip code are in Alexander County, which has an EPA assigned Radon Zone of 3. A zone of 3 predicts an average indoor radon screening level less than 2 pCi/L.

Why are radon readings shown from areas near Olive Branch?

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

Radon mitigation in Olive Branch 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 Olive Branch?

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.