Mukwonago, WI Radon Levels

Q: What EPA Radon Zone is Mukwonago in?

Mukwonago is in Waukesha County, EPA Zone 1.

Q: How much does radon mitigation cost in Mukwonago?

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

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

Mukwonago, WI Radon Facts

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

County Waukesha County, WI

Zip Code 53149

Southeastern Wisconsin's Waukesha County city of Mukwonago rests on glacial drumlin formations over dolomite bedrock within the Milwaukee Metro area. The community in zip code 53149 features a mix of historic downtown buildings and suburban developments, predominantly with full basements typical of Wisconsin construction. Testing data is currently limited, but the EPA Zone 1 high-risk designation and limestone-rich geology make radon testing a priority for all Mukwonago homeowners.

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 Mukwonago 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+

Mukwonago, 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 Mukwonago, WI

No homeowner tests have been submitted for Mukwonago 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	8.4 mi	5.50 pCi/L	2
Waterford	11.1 mi	9.00 pCi/L	2
Pewaukee	14.1 mi	10.00 pCi/L	1
Burlington	15.3 mi	7.00 pCi/L	1
Elkhorn	16.1 mi	5.00 pCi/L	1
Franklin	17.1 mi	6.00 pCi/L	1
Lake Geneva	21.1 mi	5.00 pCi/L	1
Oak Creek	22.4 mi	8.33 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 Mukwonago, WI

What EPA Radon Zone is Mukwonago in?

Mukwonago and the 53149 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 Mukwonago?

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

Radon mitigation in Mukwonago 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 Mukwonago?

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.