Sandwich, MA Radon Levels
Check local Sandwich radon levels and find certified testing and mitigation professionals to keep your home safe
Sandwich, MA Radon Facts
Located on Cape Cod in Barnstable County, Sandwich has recorded an average radon level of 10.0 pCi/L, significantly exceeding the EPA action threshold. The town's position on glacial outwash deposits and the Cape's unique hydrogeology contribute to elevated radon potential despite coastal proximity. Homeowners throughout the 02563 zip code should prioritize professional testing and consider mitigation systems when levels exceed 4.0 pCi/L.
Based on 1 user-submitted radon test for homes in Sandwich, MA. The EPA recommends taking action at or above 4.0 pCi/L.
Sandwich, MA Radon Mitigation
Professional radon mitigation is the most effective way to permanently lower radon levels and protect your household.
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Sandwich, MA Radon Levels
User-submitted radon test readings from homes in the Sandwich area.
| Radon Level | City | Home Age | Foundation |
|---|---|---|---|
| 10 pCi/L | Sandwich, MA | 21-50 Years | Full Basement |
Have a radon test result for Sandwich? Submit your reading to help other homeowners.
Radon Readings Near Sandwich, MA
Compare radon levels in Sandwich with the closest nearby cities that have user-submitted test data.
| City | Distance | Avg User Level | Readings |
|---|---|---|---|
| Buzzards Bay | 4.9 mi | 9.50 pCi/L | 2 |
| Mashpee | 6.5 mi | 5.00 pCi/L | 4 |
| Osterville | 7.4 mi | 6.00 pCi/L | 1 |
| North Falmouth | 8.9 mi | 6.00 pCi/L | 1 |
| Falmouth | 12.6 mi | 7.00 pCi/L | 1 |
| Plymouth | 16.2 mi | 7.00 pCi/L | 1 |
| Acushnet | 22.3 mi | 11.00 pCi/L | 1 |
| New Bedford | 23.8 mi | 6.00 pCi/L | 2 |
Barnstable County Radon Profile
EPA mapping assigns Barnstable 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 Barnstable County average 6.80 pCi/L across 10 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 Barnstable County home regardless of zone or a neighbor's results.