Dix, IL Radon Levels

Q: What EPA Radon Zone is Dix in?

Dix is in Jefferson County, EPA Zone 2.

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

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

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

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

Dix, IL Radon Facts

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

County Jefferson County, IL

Zip Code 62830

Found in Jefferson County within Illinois' southern coal region, Dix sits where Pennsylvanian-era coal measures and shale deposits create generally moderate radon conditions. Testing data for ZIP code 62830 remains limited, making individual home assessment valuable for this rural community. The area's geological setting in the Illinois Basin, combined with older residential properties and varying foundation types, suggests radon levels could vary significantly from home to home throughout this southern Illinois location.

4.00

pCi/L area average

Above EPA Action Level

Jefferson County average: 4.00 pCi/L, based on 1 user-submitted test across 1 city in the county. No homeowner readings have been submitted for Dix 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+

Dix, 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 Dix, IL

No homeowner tests have been submitted for Dix 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
Kell	6.3 mi	5.00 pCi/L	1
Mount Vernon	8.6 mi	4.00 pCi/L	1
Carlyle	25.4 mi	13.00 pCi/L	1
Marissa	44.4 mi	4.00 pCi/L	1
Mascoutah	44.6 mi	6.50 pCi/L	2
Highland	44.7 mi	6.00 pCi/L	1
Lebanon	46.6 mi	10.50 pCi/L	2
Campbell Hill	48.5 mi	1.00 pCi/L	1

Jefferson County Radon Profile

EPA mapping assigns Jefferson 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 1 city in Jefferson County average 4.00 pCi/L across 1 test — 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 Jefferson County home regardless of zone or a neighbor's results.

Radon FAQ for Dix, IL

What EPA Radon Zone is Dix in?

Dix and the 62830 zip code are in Jefferson 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 Dix?

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

Radon mitigation in Dix 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 Dix?

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.