Northfield, MA Radon Levels
Check local Northfield radon levels and find certified testing and mitigation professionals to keep your home safe
Northfield, MA Radon Facts
Northfield in Franklin County demonstrates elevated radon levels with an average of 12.0 pCi/L, significantly exceeding the EPA's 4.0 pCi/L action threshold. This Connecticut River valley community sits above complex New England bedrock that includes uranium-bearing formations, contributing to substantial radon production. Homeowners in zip code 01360 should prioritize immediate radon mitigation, particularly in basement and lower-level living areas.
Based on 2 user-submitted radon tests for homes in Northfield, MA. The EPA recommends taking action at or above 4.0 pCi/L.
Northfield, MA Radon Mitigation
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Northfield, MA Radon Levels
User-submitted radon test readings from homes in the Northfield area.
| Radon Level | City | Home Age | Foundation |
|---|---|---|---|
| 10 pCi/L | Northfield, MA | 0-20 Years | Full Basement |
| 14 pCi/L | Northfield, MA | 0-20 Years | Full Basement |
Have a radon test result for Northfield? Submit your reading to help other homeowners.
Radon Readings Near Northfield, MA
Compare radon levels in Northfield with the closest nearby cities that have user-submitted test data.
| City | Distance | Avg User Level | Readings |
|---|---|---|---|
| Greenfield | 10.6 mi | 17.00 pCi/L | 1 |
| Athol | 13.1 mi | 9.00 pCi/L | 1 |
| New Salem | 14.1 mi | 10.00 pCi/L | 1 |
| Leverett | 15.4 mi | 9.00 pCi/L | 1 |
| Sunderland | 17.3 mi | 4.50 pCi/L | 2 |
| Conway | 17.6 mi | 4.00 pCi/L | 1 |
| Winchendon | 20.5 mi | 4.00 pCi/L | 1 |
| Amherst | 22.2 mi | 6.00 pCi/L | 2 |
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.