Wapella, IL Radon Levels

Q: What EPA Radon Zone is Wapella in?

Wapella is in De Witt County, EPA Zone 1.

Q: How much does radon mitigation cost in Wapella?

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

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

Wapella, IL Radon Facts

EPA Radon Zone Zone 1 — High Risk > 4.0 pCi/L (Zone 1)

County De Witt County, IL

Zip Code 61777

Located in De Witt County within central Illinois, Wapella sits in EPA Zone 1 where deep glacial moraine deposits over limestone bedrock contribute to the region's elevated radon potential. The community's rural character includes both historic farmhouses and newer homes, many featuring the full or partial basements typical of central Illinois construction. With testing data currently limited for zip code 61777, residents should prioritize radon testing to establish baseline measurements for their individual properties.

8.06

pCi/L area average

Above EPA Action Level

Nearby homeowner readings average 8.06 pCi/L, based on 18 tests from 10 nearby cities. No readings have been submitted for Wapella 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+

Wapella, 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 Wapella, IL

No homeowner tests have been submitted for Wapella 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
Le Roy	13.5 mi	5.00 pCi/L	1
Bloomington	16.0 mi	11.33 pCi/L	3
Normal	19.4 mi	7.25 pCi/L	4
Monticello	25.4 mi	4.50 pCi/L	2
Mackinaw	29.1 mi	20.00 pCi/L	1
Mahomet	30.4 mi	5.00 pCi/L	1
Williamsville	36.2 mi	1.00 pCi/L	1
Champaign	37.8 mi	6.67 pCi/L	3

De Witt County Radon Profile

Because of its underlying geology, De Witt County is mapped as EPA Radon Zone 1 — the most elevated classification — where predicted indoor screening averages exceed 4 pCi/L. Direct test data for De Witt County remains limited, so the closest neighboring readings are used here to represent the radon conditions homeowners are likely to encounter. As the second leading cause of lung cancer in the U.S., radon warrants testing in every De Witt County home regardless of zone or a neighbor's results.

Radon FAQ for Wapella, IL

What EPA Radon Zone is Wapella in?

Wapella and the 61777 zip code are in De Witt County, which has an EPA assigned Radon Zone of 1. A zone of 1 predicts an average indoor radon screening level greater than 4 pCi/L.

Why are radon readings shown from areas near Wapella?

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

Radon mitigation in Wapella 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 Wapella?

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.