Lexington, IL Radon Levels

Q: What EPA Radon Zone is Lexington in?

Lexington is in McLean County, EPA Zone 1.

Q: How much does radon mitigation cost in Lexington?

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

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

Lexington, IL Radon Facts

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

County McLean County, IL

Zip Code 61753

Situated in McLean County as part of the Bloomington Metro area, Lexington falls within EPA Zone 1 where elevated radon levels are common across Illinois' central prairie region. The area's deep glacial moraine deposits over limestone bedrock create favorable conditions for radon gas production and entry into homes with basements. Testing data for zip code 61753 is currently limited, so residents are encouraged to conduct professional radon testing to assess their specific exposure levels.

8.50

pCi/L area average

Above EPA Action Level

McLean County average: 8.50 pCi/L, based on 8 user-submitted tests across 3 cities in the county. No homeowner readings have been submitted for Lexington 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+

Lexington, 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 Lexington, IL

No homeowner tests have been submitted for Lexington 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
Normal	12.8 mi	7.25 pCi/L	4
Bloomington	15.7 mi	11.33 pCi/L	3
Fairbury	17.0 mi	4.00 pCi/L	1
Pontiac	18.9 mi	10.50 pCi/L	2
Le Roy	20.1 mi	5.00 pCi/L	1
Ancona	28.3 mi	20.00 pCi/L	1
Mackinaw	29.1 mi	20.00 pCi/L	1
Streator	33.7 mi	7.00 pCi/L	1

McLean County Radon Profile

McLean County falls in EPA Radon Zone 1, meaning the local uranium-bearing geology is predicted to drive average indoor radon screening levels above the EPA's 4 pCi/L action threshold. Homeowner-submitted tests from 3 cities in McLean County average 8.50 pCi/L across 8 tests — above the EPA's 4 pCi/L action level, reinforcing the need for testing across the county. Since radon is the second leading cause of lung cancer nationally, the EPA urges every household in McLean County to test, as levels can differ between neighboring homes.

Radon FAQ for Lexington, IL

What EPA Radon Zone is Lexington in?

Lexington and the 61753 zip code are in McLean 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 Lexington?

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

Radon mitigation in Lexington 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 Lexington?

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.