Ellsworth, IL Radon Levels

Q: What EPA Radon Zone is Ellsworth in?

Ellsworth is in McLean County, EPA Zone 1.

Q: How much does radon mitigation cost in Ellsworth?

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

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

Ellsworth, IL Radon Facts

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

County McLean County, IL

Zip Code 61737

Positioned in central Illinois within McLean County near the Bloomington Metro area, Ellsworth sits on deep glacial deposits over limestone bedrock that contribute to moderate radon potential across the prairie region. The rural community features a mix of historic farmhouses and newer homes, typically with full basements standard in Midwest construction. Testing data for zip code 61737 remains limited, making professional radon assessment important for area homeowners.

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 Ellsworth 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+

Ellsworth, IL Radon Mitigation

Professional radon mitigation is the most effective way to permanently lower radon levels and protect your household.

Need Radon Mitigation or Testing in Ellsworth?

100% Free, No-Obligation Quotes
Matches You with State-Licensed McLean County Pros

1-800-299-3578 309-716-3952 (local) Toll-free · Mon–Fri 8am–6pm ET

Radon Readings Near Ellsworth, IL

No homeowner tests have been submitted for Ellsworth 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	6.8 mi	5.00 pCi/L	1
Bloomington	13.9 mi	11.33 pCi/L	3
Normal	14.0 mi	7.25 pCi/L	4
Fairbury	23.8 mi	4.00 pCi/L	1
Mahomet	24.9 mi	5.00 pCi/L	1
Monticello	30.1 mi	4.50 pCi/L	2
Pontiac	30.4 mi	10.50 pCi/L	2
Mackinaw	32.7 mi	20.00 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 Ellsworth, IL

What EPA Radon Zone is Ellsworth in?

Ellsworth and the 61737 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 Ellsworth?

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

Radon mitigation in Ellsworth 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 Ellsworth?

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.