Cornell, IL Radon Levels

Q: What EPA Radon Zone is Cornell in?

Cornell is in Livingston County, EPA Zone 1.

Q: How much does radon mitigation cost in Cornell?

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

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

Cornell, IL Radon Facts

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

County Livingston County, IL

Zip Code 61319

Situated in Livingston County on Illinois' central prairie, Cornell sits on deep glacial moraine deposits over limestone bedrock that contribute to moderate-to-high radon potential. Testing data for this 61319 area remains limited, making individual home testing particularly important for residents seeking to understand their radon exposure risk.

10.40

pCi/L area average

Above EPA Action Level

Livingston County average: 10.40 pCi/L, based on 5 user-submitted tests across 4 cities in the county. No homeowner readings have been submitted for Cornell 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+

Cornell, 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 Cornell, IL

No homeowner tests have been submitted for Cornell 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
Ancona	5.1 mi	20.00 pCi/L	1
Streator	7.1 mi	7.00 pCi/L	1
Pontiac	12.8 mi	10.50 pCi/L	2
Dwight	18.7 mi	7.00 pCi/L	1
Marseilles	21.0 mi	9.00 pCi/L	1
Fairbury	23.7 mi	4.00 pCi/L	1
Varna	25.1 mi	20.00 pCi/L	1
Peru	28.0 mi	6.50 pCi/L	2

Livingston County Radon Profile

Livingston 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 4 cities in Livingston County average 10.40 pCi/L across 5 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 Livingston County to test, as levels can differ between neighboring homes.

Radon FAQ for Cornell, IL

What EPA Radon Zone is Cornell in?

Cornell and the 61319 zip code are in Livingston 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 Cornell?

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

Radon mitigation in Cornell 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 Cornell?

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.