Sunderland, MA Radon Levels
Check local Sunderland radon levels and find certified testing and mitigation professionals to keep your home safe
Sunderland, MA Radon Facts
This Connecticut River valley town in Franklin County shows an average radon level of 4.5 pCi/L from testing in zip code 01375, slightly exceeding the EPA action threshold. Sunderland's location in western Massachusetts, with its glacial valley deposits and varied bedrock geology, contributes to moderate radon potential. The community's mix of historic homes and rural properties requires ongoing attention to radon testing and mitigation.
Based on 2 user-submitted radon tests for homes in Sunderland, MA. The EPA recommends taking action at or above 4.0 pCi/L.
Sunderland, MA Radon Mitigation
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Sunderland, MA Radon Levels
User-submitted radon test readings from homes in the Sunderland area.
| Radon Level | City | Home Age | Foundation |
|---|---|---|---|
| 5 pCi/L | Sunderland, MA | 21-50 Years | Full Basement |
| 4 pCi/L | Sunderland, MA | 21-50 Years | Full Basement |
Have a radon test result for Sunderland? Submit your reading to help other homeowners.
Radon Readings Near Sunderland, MA
Compare radon levels in Sunderland with the closest nearby cities that have user-submitted test data.
| City | Distance | Avg User Level | Readings |
|---|---|---|---|
| Leverett | 3.6 mi | 9.00 pCi/L | 1 |
| Amherst | 8.0 mi | 6.00 pCi/L | 2 |
| Conway | 8.0 mi | 4.00 pCi/L | 1 |
| Haydenville | 8.5 mi | 4.00 pCi/L | 1 |
| Northampton | 9.7 mi | 3.00 pCi/L | 2 |
| Leeds | 9.8 mi | 5.00 pCi/L | 2 |
| Greenfield | 10.6 mi | 17.00 pCi/L | 1 |
| Florence | 11.1 mi | 6.83 pCi/L | 6 |
Franklin County Radon Profile
EPA mapping assigns Franklin County to Radon Zone 2, indicating moderate predicted indoor screening levels in the 2 to 4 pCi/L range based on regional geology. Homeowner-submitted tests from 6 cities in Franklin County average 9.13 pCi/L across 8 tests — above the EPA's 4 pCi/L action level, reinforcing the need for testing across the county. As the second leading cause of lung cancer in the U.S., radon warrants testing in every Franklin County home regardless of zone or a neighbor's results.