Bristol, IL Radon Levels

Q: What EPA Radon Zone is Bristol in?

Bristol is in Kendall County, EPA Zone 1.

Q: How much does radon mitigation cost in Bristol?

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

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

Bristol, IL Radon Facts

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

County Kendall County, IL

Zip Code 60512

Located in Kendall County within the western suburbs of the Chicago Metro, Bristol sits on glacial till deposits from Wisconsin glaciation that create soil conditions highly favorable for radon gas production and migration. The area's predominantly single-family homes feature full poured-concrete basements typical of suburban Chicago construction. While specific testing data for zip code 60512 is limited, the county's EPA Zone 1 classification and geological conditions suggest elevated radon potential, making professional testing essential for all residents.

8.33

pCi/L area average

Above EPA Action Level

Kendall County average: 8.33 pCi/L, based on 6 user-submitted tests across 4 cities in the county. No homeowner readings have been submitted for Bristol 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+

Bristol, 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 Bristol, IL

No homeowner tests have been submitted for Bristol 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
Yorkville	4.4 mi	6.00 pCi/L	2
Sugar Grove	5.0 mi	7.00 pCi/L	1
Plano	5.6 mi	10.00 pCi/L	1
Montgomery	5.7 mi	8.50 pCi/L	2
Aurora	9.0 mi	6.75 pCi/L	4
North Aurora	9.4 mi	7.00 pCi/L	2
Newark	12.9 mi	11.00 pCi/L	1
Plainfield	13.4 mi	6.33 pCi/L	3

Kendall County Radon Profile

Kendall 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 Kendall County average 8.33 pCi/L across 6 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 Kendall County to test, as levels can differ between neighboring homes.

Radon FAQ for Bristol, IL

What EPA Radon Zone is Bristol in?

Bristol and the 60512 zip code are in Kendall 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 Bristol?

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

Radon mitigation in Bristol 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 Bristol?

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.