Odin, IL Radon Levels

Q: What EPA Radon Zone is Odin in?

Odin is in Marion County, EPA Zone 2.

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

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

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

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

Odin, IL Radon Facts

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

County Marion County, IL

Zip Code 62870

This small community in Marion County sits within Illinois's coal belt region, where Pennsylvanian-era coal measures and shale deposits create moderate radon conditions. Local housing includes historic farmsteads and modest residential properties, many with partial basements common to rural Illinois construction. Given limited testing data in the 62870 area, homeowners are encouraged to test their properties to determine individual radon levels.

5.00

pCi/L area average

Above EPA Action Level

Marion 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 Odin 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+

Odin, 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 Odin, IL

No homeowner tests have been submitted for Odin 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	10.1 mi	5.00 pCi/L	1
Carlyle	17.6 mi	13.00 pCi/L	1
Mount Vernon	21.6 mi	4.00 pCi/L	1
Highland	35.3 mi	6.00 pCi/L	1
Lebanon	40.2 mi	10.50 pCi/L	2
Mascoutah	40.7 mi	6.50 pCi/L	2
Effingham	44.3 mi	4.33 pCi/L	3
Troy	44.7 mi	4.00 pCi/L	1

Marion County Radon Profile

EPA mapping assigns Marion 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 Marion 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. As the second leading cause of lung cancer in the U.S., radon warrants testing in every Marion County home regardless of zone or a neighbor's results.

Radon FAQ for Odin, IL

What EPA Radon Zone is Odin in?

Odin and the 62870 zip code are in Marion 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 Odin?

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

Radon mitigation in Odin 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 Odin?

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.