West Brooklyn, IL Radon Levels

Q: What EPA Radon Zone is West Brooklyn in?

West Brooklyn is in Lee County, EPA Zone 1.

Q: How much does radon mitigation cost in West Brooklyn?

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

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

West Brooklyn, IL Radon Facts

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

County Lee County, IL

Zip Code 61378

Situated in rural Lee County in northern Illinois (61378), West Brooklyn lies on glacial till deposits over limestone bedrock that create favorable conditions for radon production throughout the region. Testing data for this small community is currently unavailable, preventing assessment of local radon levels. Residents should test their homes, particularly older farmhouses with partial basements and newer construction with full foundations.

9.25

pCi/L area average

Above EPA Action Level

Lee County average: 9.25 pCi/L, based on 4 user-submitted tests across 3 cities in the county. No homeowner readings have been submitted for West Brooklyn 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+

West Brooklyn, 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 West Brooklyn, IL

No homeowner tests have been submitted for West Brooklyn 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
Amboy	8.2 mi	5.00 pCi/L	1
Ashton	9.4 mi	4.00 pCi/L	1
Rochelle	15.1 mi	13.00 pCi/L	1
Dixon	17.4 mi	14.00 pCi/L	2
Earlville	17.5 mi	11.00 pCi/L	1
Walnut	25.3 mi	5.00 pCi/L	1
Mount Morris	25.3 mi	4.00 pCi/L	1
Dekalb	25.4 mi	8.75 pCi/L	4

Lee County Radon Profile

Lee 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 Lee County average 9.25 pCi/L across 4 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 Lee County to test, as levels can differ between neighboring homes.

Radon FAQ for West Brooklyn, IL

What EPA Radon Zone is West Brooklyn in?

West Brooklyn and the 61378 zip code are in Lee 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 West Brooklyn?

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

Radon mitigation in West Brooklyn 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 West Brooklyn?

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.