Saint Francisville, IL Radon Levels

Q: What EPA Radon Zone is Saint Francisville in?

Saint Francisville is in Lawrence County, EPA Zone 2.

Q: How much does radon mitigation cost in Saint Francisville?

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

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

Saint Francisville, IL Radon Facts

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

County Lawrence County, IL

Zip Code 62460

Saint Francisville in southeastern Illinois's Lawrence County sits within the Illinois Basin, where Pennsylvanian-era coal measures and underlying limestone formations create moderate radon potential. Current testing data for zip code 62460 is limited, making professional radon assessment essential for local homeowners. The area's rural character includes older farmhouses and newer rural residences that may have varying foundation types and radon entry patterns.

5.00

pCi/L area average

Above EPA Action Level

Lawrence County average: 5.00 pCi/L, based on 1 user-submitted test across 1 city in the county. No homeowner readings have been submitted for Saint Francisville itself yet, so this county figure is the closest available benchmark. The EPA recommends taking action at or above 4.0 pCi/L.

4.0 EPA

10+

Saint Francisville, 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 Saint Francisville, IL

No homeowner tests have been submitted for Saint Francisville 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
Bridgeport	10.1 mi	5.00 pCi/L	1
Mount Carmel	14.5 mi	5.00 pCi/L	2
Palestine	28.4 mi	18.50 pCi/L	2

Lawrence County Radon Profile

The soils and bedrock of Lawrence County place it in EPA Radon Zone 2, a moderate-risk classification with predicted indoor averages of 2 to 4 pCi/L. Homeowner-submitted tests from 1 city in Lawrence County average 5.00 pCi/L across 1 test — above the EPA's 4 pCi/L action level, reinforcing the need for testing across the county. Since radon is the second leading cause of lung cancer nationally, the EPA urges every household in Lawrence County to test, as levels can differ between neighboring homes.

Radon FAQ for Saint Francisville, IL

What EPA Radon Zone is Saint Francisville in?

Saint Francisville and the 62460 zip code are in Lawrence 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 Saint Francisville?

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

Radon mitigation in Saint Francisville 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 Saint Francisville?

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.