Omaha, IL Radon Levels

Q: What EPA Radon Zone is Omaha in?

Omaha is in Gallatin County, EPA Zone 2.

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

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

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

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

Omaha, IL Radon Facts

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

County Gallatin County, IL

Zip Code 62871

Positioned in far southeastern Illinois within Gallatin County, Omaha sits in an area where Shawnee Hills sandstone and shale formations typically produce lower radon levels than northern Illinois. However, pockets near limestone outcrops can still exceed EPA action levels, making individual home testing crucial. With testing data for zip code 62871 currently unavailable, local homeowners should prioritize professional radon assessment to establish baseline readings.

4.75

pCi/L area average

Above EPA Action Level

Nearby homeowner readings average 4.75 pCi/L, based on 4 tests from 3 nearby cities. No readings have been submitted for Omaha 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+

Omaha, 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 Omaha, IL

No homeowner tests have been submitted for Omaha 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
Marion	36.9 mi	5.00 pCi/L	1
Mount Vernon	44.9 mi	4.00 pCi/L	1
Mount Carmel	45.1 mi	5.00 pCi/L	2

Gallatin County Radon Profile

The soils and bedrock of Gallatin County place it in EPA Radon Zone 2, a moderate-risk classification with predicted indoor averages of 2 to 4 pCi/L. Few homeowner tests have been logged inside Gallatin County so far, which is why this page draws on the nearest recorded readings to illustrate regional radon levels. Since radon is the second leading cause of lung cancer nationally, the EPA urges every household in Gallatin County to test, as levels can differ between neighboring homes.

Radon FAQ for Omaha, IL

What EPA Radon Zone is Omaha in?

Omaha and the 62871 zip code are in Gallatin 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 Omaha?

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

Radon mitigation in Omaha 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 Omaha?

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.