Belmont, WI Radon Levels

Q: What EPA Radon Zone is Belmont in?

Belmont is in Lafayette County, EPA Zone 1.

Q: How much does radon mitigation cost in Belmont?

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

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

Belmont, WI Radon Facts

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

County Lafayette County, WI

Zip Code 53510

Nestled in Lafayette County within Wisconsin's Driftless Area, Belmont sits atop limestone and dolomite bedrock that contributes to elevated radon potential throughout southwestern Wisconsin. The area's housing reflects rural Wisconsin character, with many homes featuring full basements that can accumulate radon gas from the underlying carbonate bedrock. Given the EPA Zone 1 designation and limited testing data currently available for zip code 53510, homeowners should prioritize professional radon testing.

10.83

pCi/L area average

Above EPA Action Level

Nearby homeowner readings average 10.83 pCi/L, based on 12 tests from 10 nearby cities. No readings have been submitted for Belmont 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+

Belmont, 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 Belmont, WI

No homeowner tests have been submitted for Belmont 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
Potosi	18.7 mi	17.00 pCi/L	1
Ridgeway	26.0 mi	8.00 pCi/L	1
Blue Mounds	31.7 mi	15.00 pCi/L	1
Spring Green	34.4 mi	4.00 pCi/L	1
Mount Horeb	35.5 mi	9.00 pCi/L	1
New Glarus	35.6 mi	7.00 pCi/L	1
Monroe	36.5 mi	13.00 pCi/L	2
Blue River	37.2 mi	6.00 pCi/L	1

Lafayette County Radon Profile

Lafayette 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 Lafayette 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 Lafayette County to test, as levels can differ between neighboring homes.

Radon FAQ for Belmont, WI

What EPA Radon Zone is Belmont in?

Belmont and the 53510 zip code are in Lafayette 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 Belmont?

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

Radon mitigation in Belmont 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 Belmont?

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.