Ellis Grove, IL Radon Levels

Q: What EPA Radon Zone is Ellis Grove in?

Ellis Grove is in Randolph County, EPA Zone 2.

Q: How much does radon mitigation cost in Ellis Grove?

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

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

Ellis Grove, IL Radon Facts

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

County Randolph County, IL

Zip Code 62241

Positioned along the Mississippi River in Randolph County, Ellis Grove sits on alluvial deposits over limestone bedrock that create variable radon conditions throughout the Metro East region. The community's housing reflects typical river town architecture, with many older homes featuring raised foundations due to flood considerations and newer homes with various foundation types. Given the absence of local radon testing data for zip code 62241, professional testing is recommended for all residents.

7.81

pCi/L area average

Above EPA Action Level

Nearby homeowner readings average 7.81 pCi/L, based on 21 tests from 10 nearby cities. No readings have been submitted for Ellis Grove 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+

Ellis Grove, 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 Ellis Grove, IL

No homeowner tests have been submitted for Ellis Grove 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
Campbell Hill	18.4 mi	1.00 pCi/L	1
Marissa	18.5 mi	4.00 pCi/L	1
Waterloo	25.7 mi	9.20 pCi/L	5
Mascoutah	33.0 mi	6.50 pCi/L	2
Columbia	33.8 mi	8.00 pCi/L	4
Murphysboro	35.2 mi	10.00 pCi/L	1
Belleville	36.8 mi	7.33 pCi/L	3
O Fallon	39.1 mi	6.00 pCi/L	1

Randolph County Radon Profile

Randolph County is mapped as EPA Radon Zone 2, where the local geology is predicted to produce moderate indoor screening levels between 2 and 4 pCi/L. User-submitted readings are still sparse within Randolph County itself, so the nearby measurements shown on this page provide the closest real-world picture of local radon conditions. Radon is the second leading cause of lung cancer in the United States, and a short-term test is the only way to confirm a specific home's level in Randolph County.

Radon FAQ for Ellis Grove, IL

What EPA Radon Zone is Ellis Grove in?

Ellis Grove and the 62241 zip code are in Randolph 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 Ellis Grove?

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

Radon mitigation in Ellis Grove 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 Ellis Grove?

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.