Brussels, IL Radon Levels

Q: What EPA Radon Zone is Brussels in?

Brussels is in Calhoun County, EPA Zone 1.

Q: How much does radon mitigation cost in Brussels?

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

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

Brussels, IL Radon Facts

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

County Calhoun County, IL

Zip Code 62013

Small Brussels sits in Calhoun County along the Illinois River, positioned between the Mississippi and Illinois rivers in the St. Louis Metro region. The area's alluvial soils and underlying limestone formations create variable radon conditions typical of river valley communities. With no current testing data for zip code 62013, homeowners should prioritize radon testing, especially in properties with basements or crawl spaces where gas can accumulate.

6.23

pCi/L area average

Above EPA Action Level

Nearby homeowner readings average 6.23 pCi/L, based on 13 tests from 10 nearby cities. No readings have been submitted for Brussels yet, so the closest recorded data is shown as a benchmark. The EPA recommends taking action at or above 4.0 pCi/L.

4.0 EPA

10+

Brussels, 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 Brussels, IL

No homeowner tests have been submitted for Brussels 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
Grafton	9.2 mi	14.00 pCi/L	1
Jerseyville	18.1 mi	3.50 pCi/L	2
Godfrey	20.6 mi	6.00 pCi/L	1
East Alton	27.6 mi	4.00 pCi/L	1
Granite City	30.0 mi	8.00 pCi/L	1
White Hall	34.6 mi	6.00 pCi/L	1
Glen Carbon	35.7 mi	2.50 pCi/L	2
Maryville	37.3 mi	11.00 pCi/L	1

Calhoun County Radon Profile

Calhoun 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. Few homeowner tests have been logged inside Calhoun County so far, which is why this page draws on the nearest recorded readings to illustrate regional radon levels. Since radon is the second leading cause of lung cancer nationally, the EPA urges every household in Calhoun County to test, as levels can differ between neighboring homes.

Radon FAQ for Brussels, IL

What EPA Radon Zone is Brussels in?

Brussels and the 62013 zip code are in Calhoun 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 Brussels?

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

Radon mitigation in Brussels 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 Brussels?

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.