Evansville, IL Radon Levels

Q: What EPA Radon Zone is Evansville in?

Evansville is in Randolph County, EPA Zone 2.

Q: How much does radon mitigation cost in Evansville?

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

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

Evansville, IL Radon Facts

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

County Randolph County, IL

Zip Code 62242

Located in Randolph County along the Mississippi River floodplain, Evansville sits where alluvial deposits over Mississippian limestone create variable radon potential. Current testing data for zip code 62242 is limited, making individual home testing essential for residents. Professional assessment helps determine whether radon levels warrant mitigation in this river valley community.

7.68

pCi/L area average

Above EPA Action Level

Nearby homeowner readings average 7.68 pCi/L, based on 22 tests from 10 nearby cities. No readings have been submitted for Evansville 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+

Evansville, 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 Evansville, IL

No homeowner tests have been submitted for Evansville 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
Marissa	13.9 mi	4.00 pCi/L	1
Waterloo	20.2 mi	9.20 pCi/L	5
Campbell Hill	21.8 mi	1.00 pCi/L	1
Mascoutah	27.3 mi	6.50 pCi/L	2
Columbia	28.1 mi	8.00 pCi/L	4
Belleville	30.7 mi	7.33 pCi/L	3
O Fallon	33.1 mi	6.00 pCi/L	1
Fairview Heights	35.1 mi	9.00 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 Evansville, IL

What EPA Radon Zone is Evansville in?

Evansville and the 62242 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 Evansville?

No homeowner radon tests have been submitted for Evansville 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 Evansville 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 Evansville?

Radon mitigation in Evansville 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 Evansville?

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.