Oshkosh, WI Radon Levels
Check local Oshkosh radon levels and find certified testing and mitigation professionals to keep your home safe
Oshkosh, WI Radon Facts
Based in Winnebago County along the Fox River, Oshkosh has recorded an average radon level of 19.0 pCi/L from recent testing. This reading significantly exceeds the EPA action level of 4.0 pCi/L, reflecting the area's glacial till deposits over limestone bedrock that create ideal conditions for radon accumulation. Given these elevated levels across zip codes 54901, 54902, and 54904, immediate radon mitigation is strongly recommended for local homeowners.
Based on 1 user-submitted radon test for homes in Oshkosh, WI. The EPA recommends taking action at or above 4.0 pCi/L.
Oshkosh, WI Radon Mitigation
Professional radon mitigation is the most effective way to permanently lower radon levels and protect your household.
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Oshkosh, WI Radon Levels
User-submitted radon test readings from homes in the Oshkosh area.
| Radon Level | City | Home Age | Foundation |
|---|---|---|---|
| 19 pCi/L | Oshkosh, WI | 21-50 Years | Full Basement |
Have a radon test result for Oshkosh? Submit your reading to help other homeowners.
Radon Readings Near Oshkosh, WI
Compare radon levels in Oshkosh with the closest nearby cities that have user-submitted test data.
| City | Distance | Avg User Level | Readings |
|---|---|---|---|
| Fond Du Lac | 17.1 mi | 5.00 pCi/L | 1 |
| Greenville | 19.7 mi | 7.00 pCi/L | 1 |
| Green Lake | 23.6 mi | 6.00 pCi/L | 1 |
| New Holstein | 23.8 mi | 7.00 pCi/L | 1 |
| Plymouth | 34.2 mi | 6.00 pCi/L | 1 |
| Wautoma | 35.3 mi | 15.00 pCi/L | 1 |
| Kewaskum | 38.7 mi | 8.00 pCi/L | 1 |
| Beaver Dam | 40.8 mi | 10.00 pCi/L | 1 |
Winnebago County Radon Profile
The soils and bedrock of Winnebago County place it in EPA Radon Zone 2, a moderate-risk classification with predicted indoor averages of 2 to 4 pCi/L. Homeowner-submitted tests from 1 city in Winnebago County average 19.00 pCi/L across 1 test — 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 Winnebago County to test, as levels can differ between neighboring homes.