Lake Geneva, WI Radon Mitigation and Testing

Q: What is the average radon level in Lake Geneva, WI?

Based on 1 user-submitted tests, the average radon level is 5.00 pCi/L.

Q: What EPA Radon Zone is Lake Geneva in?

Lake Geneva is in Walworth County, EPA Zone 1.

Q: How much does radon mitigation cost in Lake Geneva?

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

Avg: 5.00 pCi/L

Walworth County

EPA Zone 1

1 user test

Nestled in Walworth County along Wisconsin's southern border, Lake Geneva shows a 5.0 pCi/L average that exceeds EPA recommended levels. The region's glacial moraine deposits over limestone bedrock contribute to elevated radon potential, particularly concerning for the area's mix of historic lakefront properties and seasonal homes with varied foundation types. Homeowners should test regularly, as radon levels can fluctuate seasonally in lake communities.

5.00

pCi/L average

Above EPA Action Level

Based on 1 user-submitted radon test for homes in Lake Geneva, WI. The EPA recommends taking action at or above 4.0 pCi/L.

4.0 EPA

10+

Lake Geneva, WI Radon Mitigation

Professional radon mitigation is the most effective way to permanently lower radon levels and protect your household.

Lake Geneva, WI Radon Testing

Finding qualified radon testing professionals is the first step toward protecting your home.

Lake Geneva, Wisconsin Radon Levels

User-submitted radon test readings from homes in the Lake Geneva area.

Radon Level	City	Home Age	Foundation	Submitted
5 pCi/L	Lake Geneva, WI	0-20 Years	Full Basement	Jan 2025

Have a radon test result for Lake Geneva? Submit your reading to help other homeowners.

Lake Geneva Radon Facts

Key details about the radon risk profile for Lake Geneva and the 53147 zip code area.

EPA Radon Zone

Zone 1 — High Risk

County

Walworth County, WI

Zip Code

53147

Predicted Screening Level

> 4.0 pCi/L (Zone 1)

Avg. User Submitted Level

5.00 pCi/L

User Tests Submitted

Lake Geneva and the 53147 zip code are located in Walworth County, which has an EPA assigned Radon Zone of 1. A radon zone of 1 predicts an average indoor radon screening level greater than 4 pCi/L. The EPA recommends testing every home regardless of zone classification.

Radon FAQ for Lake Geneva, WI

What is the average radon level in Lake Geneva, WI?

Based on 1 user-submitted test, the average radon level in Lake Geneva is 5.00 pCi/L. This exceeds the EPA's recommended action level of 4.0 pCi/L, and radon testing is recommended for all homes in the area.

What EPA Radon Zone is Lake Geneva in?

Lake Geneva and the 53147 zip code are in Walworth 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.

How much does radon mitigation cost in Lake Geneva?

Radon mitigation in Lake Geneva 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 Lake Geneva?

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.

Most Active Radon Markets in Wisconsin

Cities with the most user-submitted radon test data in the state.

City	Avg User Radon Level	Submissions
Milwaukee	10.00 pCi/L	3
Prairie Du Chien	10.00 pCi/L	2
Stevens Point	5.50 pCi/L	2
Menomonie	10.00 pCi/L	1
Delavan	6.00 pCi/L	1
Shawano	No submissions	0
Sturgeon Bay	No submissions	0