Vergennes, IL Radon Levels

Q: What EPA Radon Zone is Vergennes in?

Vergennes is in Jackson County, EPA Zone 2.

Q: How much does radon mitigation cost in Vergennes?

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

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

Vergennes, IL Radon Facts

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

County Jackson County, IL

Zip Code 62994

Vergennes in Jackson County sits in southern Illinois on Pennsylvanian-era shale and coal measures that typically produce moderate radon levels in the region. With testing data currently limited for zip code 62994, homeowners should consider radon testing to establish baseline readings. The area's housing stock includes both older homes with stone foundations and newer construction, each potentially experiencing different radon entry patterns based on local geological conditions and foundation types.

5.50

pCi/L area average

Above EPA Action Level

Jackson County average: 5.50 pCi/L, based on 2 user-submitted tests across 2 cities in the county. No homeowner readings have been submitted for Vergennes 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+

Vergennes, 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 Vergennes, IL

No homeowner tests have been submitted for Vergennes 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	9.6 mi	10.00 pCi/L	1
Campbell Hill	13.8 mi	1.00 pCi/L	1
Marion	25.0 mi	5.00 pCi/L	1
Marissa	32.9 mi	4.00 pCi/L	1
Mount Vernon	36.4 mi	4.00 pCi/L	1
Mascoutah	46.6 mi	6.50 pCi/L	2
Kell	47.7 mi	5.00 pCi/L	1
Carlyle	48.6 mi	13.00 pCi/L	1

Jackson County Radon Profile

EPA mapping assigns Jackson County to Radon Zone 2, indicating moderate predicted indoor screening levels in the 2 to 4 pCi/L range based on regional geology. Homeowner-submitted tests from 2 cities in Jackson County average 5.50 pCi/L across 2 tests — above the EPA's 4 pCi/L action level, reinforcing the need for testing across the county. As the second leading cause of lung cancer in the U.S., radon warrants testing in every Jackson County home regardless of zone or a neighbor's results.

Radon FAQ for Vergennes, IL

What EPA Radon Zone is Vergennes in?

Vergennes and the 62994 zip code are in Jackson 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 Vergennes?

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

Radon mitigation in Vergennes 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 Vergennes?

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.