Belgium, WI Radon Levels

Q: What EPA Radon Zone is Belgium in?

Belgium is in Ozaukee County, EPA Zone 2.

Q: How much does radon mitigation cost in Belgium?

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

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

Belgium, WI Radon Facts

EPA Radon Zone Zone 2 — Moderate Risk 2–4 pCi/L (Zone 2)

County Ozaukee County, WI

Zip Code 53004

Nestled in Ozaukee County within the Milwaukee metro area, Belgium sits on Wisconsin's glacial till deposits that create favorable conditions for radon production and migration. Testing data for zip code 53004 remains limited, emphasizing the need for individual home testing in this suburban community. The area's EPA Zone 2 classification reflects moderate radon potential, with many homes featuring full basements typical of southeastern Wisconsin construction.

8.50

pCi/L area average

Above EPA Action Level

Ozaukee County average: 8.50 pCi/L, based on 4 user-submitted tests across 4 cities in the county. No homeowner readings have been submitted for Belgium 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+

Belgium, WI 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 Belgium, WI

No homeowner tests have been submitted for Belgium 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	13.2 mi	17.00 pCi/L	1
Cedarburg	15.6 mi	6.00 pCi/L	1
Kewaskum	17.2 mi	8.00 pCi/L	1
West Bend	17.6 mi	8.00 pCi/L	1
Plymouth	18.6 mi	6.00 pCi/L	1
Mequon	19.1 mi	6.00 pCi/L	1
Thiensville	19.4 mi	5.00 pCi/L	1
Sheboygan	20.0 mi	5.00 pCi/L	1

Ozaukee County Radon Profile

The soils and bedrock of Ozaukee County place it in EPA Radon Zone 2, a moderate-risk classification with predicted indoor averages of 2 to 4 pCi/L. Homeowner-submitted tests from 4 cities in Ozaukee County average 8.50 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 Ozaukee County to test, as levels can differ between neighboring homes.

Radon FAQ for Belgium, WI

What EPA Radon Zone is Belgium in?

Belgium and the 53004 zip code are in Ozaukee County, which has an EPA assigned Radon Zone of 2. A zone of 2 predicts an average indoor radon screening level between 2 and 4 pCi/L.

Why are radon readings shown from areas near Belgium?

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

Radon mitigation in Belgium 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 Belgium?

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.