Blanchardville, WI Radon Levels

Q: What EPA Radon Zone is Blanchardville in?

Blanchardville is in Lafayette County, EPA Zone 1.

Q: How much does radon mitigation cost in Blanchardville?

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

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

Blanchardville, WI Radon Facts

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

County Lafayette County, WI

Zip Code 53516

Historic farming community in Lafayette County within the Madison Metro area sits on glacial deposits over dolomite bedrock that can generate significant radon levels. With no current testing data for zip code 53516, homeowners should conduct professional radon testing to establish baseline readings. The area's mix of century-old farmhouses with stone foundations and newer rural construction requires careful attention to radon entry pathways.

10.18

pCi/L area average

Above EPA Action Level

Nearby homeowner readings average 10.18 pCi/L, based on 11 tests from 10 nearby cities. No readings have been submitted for Blanchardville 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+

Blanchardville, 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 Blanchardville, WI

No homeowner tests have been submitted for Blanchardville 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
New Glarus	10.8 mi	7.00 pCi/L	1
Blue Mounds	13.8 mi	15.00 pCi/L	1
Mount Horeb	14.7 mi	9.00 pCi/L	1
Ridgeway	15.5 mi	8.00 pCi/L	1
Monroe	18.0 mi	13.00 pCi/L	2
Verona	20.4 mi	18.00 pCi/L	1
Oregon	25.2 mi	12.00 pCi/L	1
Middleton	27.1 mi	4.00 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 Blanchardville, WI

What EPA Radon Zone is Blanchardville in?

Blanchardville and the 53516 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 Blanchardville?

No homeowner radon tests have been submitted for Blanchardville 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 Blanchardville 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 Blanchardville?

Radon mitigation in Blanchardville 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 Blanchardville?

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.