Acton, MA Radon Levels
Check local Acton radon levels and find certified testing and mitigation professionals to keep your home safe
Acton, MA Radon Facts
Home to 20.0 pCi/L average radon levels in Middlesex County, Acton significantly exceeds EPA action guidelines and requires immediate attention. This historic Boston metro suburb features predominantly colonial and contemporary homes with full basements, built on New England's granite bedrock that's known for elevated radon production. Residents in zip code 01720 should prioritize radon mitigation given these substantially elevated readings.
Based on 1 user-submitted radon test for homes in Acton, MA. The EPA recommends taking action at or above 4.0 pCi/L.
Acton, MA Radon Mitigation
Professional radon mitigation is the most effective way to permanently lower radon levels and protect your household.
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Acton, MA Radon Levels
User-submitted radon test readings from homes in the Acton area.
| Radon Level | City | Home Age | Foundation |
|---|---|---|---|
| 20 pCi/L | Acton, MA | 0-20 Years | Full Basement |
Have a radon test result for Acton? Submit your reading to help other homeowners.
Radon Readings Near Acton, MA
Compare radon levels in Acton with the closest nearby cities that have user-submitted test data.
| City | Distance | Avg User Level | Readings |
|---|---|---|---|
| Concord | 4.0 mi | 4.00 pCi/L | 1 |
| Stow | 4.6 mi | 7.00 pCi/L | 1 |
| Littleton | 4.9 mi | 9.40 pCi/L | 5 |
| Sudbury | 6.4 mi | 5.50 pCi/L | 2 |
| Harvard | 6.7 mi | 12.00 pCi/L | 1 |
| Westford | 7.7 mi | 12.67 pCi/L | 3 |
| Chelmsford | 9.3 mi | 11.50 pCi/L | 4 |
| Marlborough | 9.9 mi | 13.50 pCi/L | 2 |
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.