Shrewsbury, MA Radon Levels
Check local Shrewsbury radon levels and find certified testing and mitigation professionals to keep your home safe
Shrewsbury, MA Radon Facts
Shrewsbury in Worcester County shows an average radon level of 10.0 pCi/L, significantly exceeding the EPA's 4.0 pCi/L action threshold. Part of the Worcester Metro area, this community sits on New England's granite bedrock, which naturally contains uranium and produces elevated radon levels. Homes in zip code 01545 should implement radon mitigation systems promptly.
Based on 2 user-submitted radon tests for homes in Shrewsbury, MA. The EPA recommends taking action at or above 4.0 pCi/L.
Shrewsbury, MA Radon Mitigation
Professional radon mitigation is the most effective way to permanently lower radon levels and protect your household.
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Shrewsbury, MA Radon Levels
User-submitted radon test readings from homes in the Shrewsbury area.
| Radon Level | City | Home Age | Foundation |
|---|---|---|---|
| 10 pCi/L | Shrewsbury, MA | 51-99 Years | Full Basement |
Have a radon test result for Shrewsbury? Submit your reading to help other homeowners.
Radon Readings Near Shrewsbury, MA
Compare radon levels in Shrewsbury with the closest nearby cities that have user-submitted test data.
| City | Distance | Avg User Level | Readings |
|---|---|---|---|
| Northborough | 4.4 mi | 6.00 pCi/L | 2 |
| Worcester | 5.0 mi | 17.67 pCi/L | 3 |
| Westborough | 5.4 mi | 6.00 pCi/L | 2 |
| Grafton | 6.1 mi | 11.00 pCi/L | 1 |
| Millbury | 6.5 mi | 4.00 pCi/L | 1 |
| South Grafton | 7.7 mi | 13.00 pCi/L | 1 |
| Auburn | 8.2 mi | 7.00 pCi/L | 1 |
| Clinton | 9.4 mi | 17.00 pCi/L | 1 |
Worcester County Radon Profile
The bedrock and soils beneath Worcester 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 28 cities in Worcester County average 9.12 pCi/L across 41 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 Worcester County.