Kansas, IL Radon Levels

Q: What EPA Radon Zone is Kansas in?

Kansas is in Edgar County, EPA Zone 1.

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

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

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

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

Kansas, IL Radon Facts

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

County Edgar County, IL

Zip Code 61933

Eastern Illinois community Kansas in Edgar County sits near the Indiana border where glacial deposits over limestone create geological conditions that can influence indoor radon levels. Testing data for zip code 61933 remains sparse, emphasizing the need for individual home assessment. The rural area's mix of historic farmhouses and newer construction means radon potential varies considerably from property to property.

9.67

pCi/L area average

Above EPA Action Level

Edgar County average: 9.67 pCi/L, based on 3 user-submitted tests across 1 city in the county. No homeowner readings have been submitted for Kansas 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+

Kansas, 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 Kansas, IL

No homeowner tests have been submitted for Kansas 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
Paris	13.3 mi	9.67 pCi/L	3
Charleston	13.6 mi	8.00 pCi/L	1
Mattoon	24.0 mi	9.33 pCi/L	3
Tuscola	25.1 mi	17.00 pCi/L	1
Homer	33.3 mi	20.00 pCi/L	1
Urbana	39.6 mi	15.00 pCi/L	1
Palestine	41.6 mi	18.50 pCi/L	2
Champaign	42.8 mi	6.67 pCi/L	3

Edgar County Radon Profile

Because of its underlying geology, Edgar County is mapped as EPA Radon Zone 1 — the most elevated classification — where predicted indoor screening averages exceed 4 pCi/L. Homeowner-submitted tests from 1 city in Edgar County average 9.67 pCi/L across 3 tests — 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 Edgar County home regardless of zone or a neighbor's results.

Radon FAQ for Kansas, IL

What EPA Radon Zone is Kansas in?

Kansas and the 61933 zip code are in Edgar 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 Kansas?

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

Radon mitigation in Kansas 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 Kansas?

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.