North Prairie, WI Radon Levels

Q: What EPA Radon Zone is North Prairie in?

North Prairie is in Waukesha County, EPA Zone 1.

Q: How much does radon mitigation cost in North Prairie?

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

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

North Prairie, WI Radon Facts

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

County Waukesha County, WI

Zip Code 53153

This small community in Waukesha County sits within the Milwaukee Metro area atop glacial deposits that can facilitate radon migration from underlying bedrock formations. North Prairie's housing in zip code 53153 reflects typical Wisconsin construction with full basements designed for cold climate conditions. Although specific radon testing data is limited, homeowners should test their properties given the area's geological characteristics and Wisconsin's elevated radon potential.

6.80

pCi/L area average

Above EPA Action Level

Waukesha County average: 6.80 pCi/L, based on 5 user-submitted tests across 4 cities in the county. No homeowner readings have been submitted for North Prairie 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+

North Prairie, 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 North Prairie, WI

No homeowner tests have been submitted for North Prairie 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
Waukesha	7.5 mi	5.50 pCi/L	2
Pewaukee	11.5 mi	10.00 pCi/L	1
Waterford	15.7 mi	9.00 pCi/L	2
Elkhorn	18.1 mi	5.00 pCi/L	1
Franklin	19.7 mi	6.00 pCi/L	1
Burlington	19.8 mi	7.00 pCi/L	1
Menomonee Falls	20.9 mi	6.50 pCi/L	2
Milwaukee	23.0 mi	10.00 pCi/L	3

Waukesha County Radon Profile

Waukesha 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. Homeowner-submitted tests from 4 cities in Waukesha County average 6.80 pCi/L across 5 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 Waukesha County to test, as levels can differ between neighboring homes.

Radon FAQ for North Prairie, WI

What EPA Radon Zone is North Prairie in?

North Prairie and the 53153 zip code are in Waukesha 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 North Prairie?

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

Radon mitigation in North Prairie 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 North Prairie?

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.