Cottage Grove, MN Radon Levels
Check local Cottage Grove radon levels and find certified testing and mitigation professionals to keep your home safe
Cottage Grove, MN Radon Facts
Situated in Washington County within the Minneapolis-St. Paul Metro area, Cottage Grove has recorded a radon level of 8.0 pCi/L based on available testing. This reading significantly exceeds the EPA action level, indicating radon mitigation is likely needed for homes in the 55016 zip code area. The community's location on glacial till over limestone and sandstone bedrock creates conditions highly favorable for radon accumulation.
Based on 2 user-submitted radon tests for homes in Cottage Grove, MN. The EPA recommends taking action at or above 4.0 pCi/L.
Cottage Grove, MN Radon Mitigation
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Cottage Grove, MN Radon Levels
User-submitted radon test readings from homes in the Cottage Grove area.
| Radon Level | City | Home Age | Foundation |
|---|---|---|---|
| 8 pCi/L | Cottage Grove, MN | 21-50 Years | Partial Basement |
Have a radon test result for Cottage Grove? Submit your reading to help other homeowners.
Radon Readings Near Cottage Grove, MN
Compare radon levels in Cottage Grove with the closest nearby cities that have user-submitted test data.
| City | Distance | Avg User Level | Readings |
|---|---|---|---|
| Hastings | 9.0 mi | 8.50 pCi/L | 2 |
| Saint Paul | 11.4 mi | 8.40 pCi/L | 5 |
| Lake Elmo | 11.4 mi | 4.00 pCi/L | 1 |
| Farmington | 15.7 mi | 7.50 pCi/L | 2 |
| Lakeville | 19.0 mi | 6.00 pCi/L | 1 |
| Savage | 20.4 mi | 5.00 pCi/L | 3 |
| Minneapolis | 20.9 mi | 5.00 pCi/L | 2 |
| Prior Lake | 24.5 mi | 5.00 pCi/L | 1 |
Washington County Radon Profile
Washington 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 6 cities in Washington County average 5.33 pCi/L across 6 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 Washington County to test, as levels can differ between neighboring homes.