Chatsworth, IL Radon Levels

Q: What EPA Radon Zone is Chatsworth in?

Chatsworth is in Livingston County, EPA Zone 1.

Q: How much does radon mitigation cost in Chatsworth?

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

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

Chatsworth, IL Radon Facts

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

County Livingston County, IL

Zip Code 60921

Situated in Livingston County within the Champaign Metro area, Chatsworth occupies central Illinois prairie terrain where glacial deposits over limestone create potential for elevated radon levels. Testing data remains unavailable for this 60921 zip code community, though the regional geology suggests careful assessment is warranted. Many area homes feature full basements that can concentrate radon gas.

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 Chatsworth 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+

Chatsworth, 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 Chatsworth, IL

No homeowner tests have been submitted for Chatsworth 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
Fairbury	11.7 mi	4.00 pCi/L	1
Pontiac	19.8 mi	10.50 pCi/L	2
Ashkum	20.7 mi	19.00 pCi/L	1
Paxton	22.6 mi	4.00 pCi/L	1
Dwight	24.4 mi	7.00 pCi/L	1
Gifford	33.7 mi	10.00 pCi/L	1
Bradley	35.6 mi	5.00 pCi/L	1
Ancona	36.1 mi	20.00 pCi/L	1

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 Chatsworth, IL

What EPA Radon Zone is Chatsworth in?

Chatsworth and the 60921 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 Chatsworth?

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

Radon mitigation in Chatsworth 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 Chatsworth?

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.