Mashpee, MA Radon Levels
Check local Mashpee radon levels and find certified testing and mitigation professionals to keep your home safe
Mashpee, MA Radon Facts
Cape Cod's Barnstable County community of Mashpee sits on glacial outwash deposits and sandy soils that create unique radon conditions different from mainland Massachusetts. Testing data shows an average indoor radon level of 5.0 pCi/L, slightly above the EPA's 4.0 pCi/L action threshold despite the Cape's typically lower radon potential. Given the area's mix of seasonal and year-round homes in zip code 02649, homeowners should test regardless of foundation type or construction era.
Based on 4 user-submitted radon tests for homes in Mashpee, MA. The EPA recommends taking action at or above 4.0 pCi/L.
Mashpee, MA Radon Mitigation
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Mashpee, MA Radon Levels
User-submitted radon test readings from homes in the Mashpee area.
| Radon Level | City | Home Age | Foundation |
|---|---|---|---|
| 3 pCi/L | Mashpee, MA | 21-50 Years | — |
| 4 pCi/L | Mashpee, MA | 0-20 Years | Full Basement |
| 8 pCi/L | Mashpee, MA | 21-50 Years | Full Basement |
| 5 pCi/L | Mashpee, MA | 21-50 Years | Full Basement |
Have a radon test result for Mashpee? Submit your reading to help other homeowners.
Radon Readings Near Mashpee, MA
Compare radon levels in Mashpee with the closest nearby cities that have user-submitted test data.
| City | Distance | Avg User Level | Readings |
|---|---|---|---|
| Osterville | 5.3 mi | 6.00 pCi/L | 1 |
| Sandwich | 6.5 mi | 10.00 pCi/L | 1 |
| Buzzards Bay | 7.2 mi | 9.50 pCi/L | 2 |
| North Falmouth | 7.3 mi | 6.00 pCi/L | 1 |
| Falmouth | 7.9 mi | 7.00 pCi/L | 1 |
| Plymouth | 21.7 mi | 7.00 pCi/L | 1 |
| Acushnet | 22.6 mi | 11.00 pCi/L | 1 |
| New Bedford | 23.1 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.