Williams Bay, WI Radon Levels
Check local Williams Bay radon levels and find certified testing and mitigation professionals to keep your home safe
Williams Bay, WI Radon Facts
Situated on Geneva Lake in Walworth County, Williams Bay has recorded an average radon level of 12.0 pCi/L based on limited testing data, significantly exceeding the EPA action level. This lakeside community (53191) sits in EPA Zone 1 where glacial deposits over dolomite bedrock can enhance radon production. Given the substantially elevated reading and the area's geological characteristics, comprehensive radon testing and mitigation should be high priorities for all local homeowners.
Based on 1 user-submitted radon test for homes in Williams Bay, WI. The EPA recommends taking action at or above 4.0 pCi/L.
Williams Bay, WI Radon Mitigation
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Williams Bay, WI Radon Levels
User-submitted radon test readings from homes in the Williams Bay area.
| Radon Level | City | Home Age | Foundation |
|---|---|---|---|
| 12 pCi/L | Williams Bay, WI | 0-20 Years | Full Basement |
Have a radon test result for Williams Bay? Submit your reading to help other homeowners.
Radon Readings Near Williams Bay, WI
Compare radon levels in Williams Bay with the closest nearby cities that have user-submitted test data.
| City | Distance | Avg User Level | Readings |
|---|---|---|---|
| Fontana | 2.7 mi | 4.50 pCi/L | 2 |
| Lake Geneva | 4.5 mi | 5.00 pCi/L | 1 |
| Delavan | 5.3 mi | 6.00 pCi/L | 1 |
| Elkhorn | 8.6 mi | 5.00 pCi/L | 1 |
| Genoa City | 10.4 mi | 10.00 pCi/L | 1 |
| Burlington | 15.0 mi | 7.00 pCi/L | 1 |
| Waterford | 21.8 mi | 9.00 pCi/L | 2 |
| Milton | 25.1 mi | 11.50 pCi/L | 2 |
Walworth County Radon Profile
The bedrock and soils beneath Walworth County are classified by the EPA as Radon Zone 1, the highest-risk tier, with predicted average indoor screening levels above 4 pCi/L. Homeowner-submitted tests from 6 cities in Walworth County average 6.71 pCi/L across 7 tests — above the EPA's 4 pCi/L action level, reinforcing the need for testing across the county. Radon is the second leading cause of lung cancer in the United States, and a short-term test is the only way to confirm a specific home's level in Walworth County.