Ashland, MA Radon Levels
Check local Ashland radon levels and find certified testing and mitigation professionals to keep your home safe
Ashland, MA Radon Facts
This Middlesex County community within the Boston Metro benefits from New England's diverse geological foundation of glacial deposits over granite bedrock. Recent testing reveals an average radon level of 5.5 pCi/L, which exceeds the EPA action level and reflects the region's elevated radon potential. Homeowners in the 01721 zip code should prioritize radon testing and mitigation, particularly in properties with full basements common to the area.
Based on 3 user-submitted radon tests for homes in Ashland, MA. The EPA recommends taking action at or above 4.0 pCi/L.
Ashland, MA Radon Mitigation
Professional radon mitigation is the most effective way to permanently lower radon levels and protect your household.
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Ashland, MA Radon Levels
User-submitted radon test readings from homes in the Ashland area.
| Radon Level | City | Home Age | Foundation |
|---|---|---|---|
| 6 pCi/L | Ashland, MA | 21-50 Years | Full Basement |
| 5 pCi/L | Ashland, MA | 21-50 Years | Full Basement |
Have a radon test result for Ashland? Submit your reading to help other homeowners.
Radon Readings Near Ashland, MA
Compare radon levels in Ashland with the closest nearby cities that have user-submitted test data.
| City | Distance | Avg User Level | Readings |
|---|---|---|---|
| Framingham | 3.0 mi | 6.50 pCi/L | 2 |
| Holliston | 3.7 mi | 4.00 pCi/L | 1 |
| Hopkinton | 4.4 mi | 9.33 pCi/L | 3 |
| Natick | 5.7 mi | 4.50 pCi/L | 2 |
| Milford | 7.9 mi | 5.00 pCi/L | 2 |
| Marlborough | 8.0 mi | 13.50 pCi/L | 2 |
| Westborough | 8.2 mi | 6.00 pCi/L | 2 |
| Wayland | 8.3 mi | 10.67 pCi/L | 3 |
Middlesex County Radon Profile
The bedrock and soils beneath Middlesex 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 46 cities in Middlesex County average 7.28 pCi/L across 90 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 Middlesex County.