Valmeyer, IL Radon Levels

Q: What EPA Radon Zone is Valmeyer in?

Valmeyer is in Monroe County, EPA Zone 2.

Q: How much does radon mitigation cost in Valmeyer?

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

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

Valmeyer, IL Radon Facts

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

County Monroe County, IL

Zip Code 62295

Nestled in Monroe County on the Illinois side of the St. Louis metropolitan area, Valmeyer sits within Mississippi River floodplain deposits and underlying Mississippian limestone formations. The community's housing mix includes homes with various foundation types, from slab-on-grade to basement construction. With limited radon testing data available for zip code 62295, local homeowners are encouraged to test their properties to establish baseline radon levels.

8.67

pCi/L area average

Above EPA Action Level

Monroe County average: 8.67 pCi/L, based on 9 user-submitted tests across 2 cities in the county. No homeowner readings have been submitted for Valmeyer 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+

Valmeyer, 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 Valmeyer, IL

No homeowner tests have been submitted for Valmeyer 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
Waterloo	9.4 mi	9.20 pCi/L	5
Columbia	12.1 mi	8.00 pCi/L	4
Belleville	24.5 mi	7.33 pCi/L	3
Fairview Heights	27.3 mi	9.00 pCi/L	1
Caseyville	29.3 mi	7.50 pCi/L	2
O Fallon	30.2 mi	6.00 pCi/L	1
Marissa	30.6 mi	4.00 pCi/L	1
Mascoutah	31.4 mi	6.50 pCi/L	2

Monroe County Radon Profile

EPA mapping assigns Monroe County to Radon Zone 2, indicating moderate predicted indoor screening levels in the 2 to 4 pCi/L range based on regional geology. Homeowner-submitted tests from 2 cities in Monroe County average 8.67 pCi/L across 9 tests — above the EPA's 4 pCi/L action level, reinforcing the need for testing across the county. As the second leading cause of lung cancer in the U.S., radon warrants testing in every Monroe County home regardless of zone or a neighbor's results.

Radon FAQ for Valmeyer, IL

What EPA Radon Zone is Valmeyer in?

Valmeyer and the 62295 zip code are in Monroe 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 Valmeyer?

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

Radon mitigation in Valmeyer 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 Valmeyer?

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.