Norwell, MA Radon Levels
Check local Norwell radon levels and find certified testing and mitigation professionals to keep your home safe
Norwell, MA Radon Facts
Positioned in Plymouth County on Massachusetts' South Shore, Norwell shows a notably high average radon level of 20.0 pCi/L from available testing. This reading significantly exceeds the EPA's 4.0 pCi/L action threshold, indicating serious radon concerns for the 02061 area within the Boston Metro region. The community's granite bedrock and traditional New England housing with basements create conditions where radon mitigation systems are likely necessary for many homes.
Based on 1 user-submitted radon test for homes in Norwell, MA. The EPA recommends taking action at or above 4.0 pCi/L.
Norwell, MA Radon Mitigation
Professional radon mitigation is the most effective way to permanently lower radon levels and protect your household.
Need Radon Mitigation or Testing in Norwell?
- 100% Free, No-Obligation Quotes
- Matches You with State-Licensed Plymouth County Pros
Norwell, MA Radon Levels
User-submitted radon test readings from homes in the Norwell area.
| Radon Level | City | Home Age | Foundation |
|---|---|---|---|
| 20 pCi/L | Norwell, MA | 0-20 Years | Full Basement |
Have a radon test result for Norwell? Submit your reading to help other homeowners.
Radon Readings Near Norwell, MA
Compare radon levels in Norwell with the closest nearby cities that have user-submitted test data.
| City | Distance | Avg User Level | Readings |
|---|---|---|---|
| Cohasset | 5.5 mi | 11.50 pCi/L | 2 |
| Hingham | 5.7 mi | 7.00 pCi/L | 2 |
| East Weymouth | 6.3 mi | 4.50 pCi/L | 2 |
| Pembroke | 6.8 mi | 5.00 pCi/L | 1 |
| Hanson | 7.1 mi | 6.00 pCi/L | 1 |
| Abington | 7.4 mi | 4.00 pCi/L | 1 |
| Weymouth | 7.8 mi | 15.00 pCi/L | 2 |
| North Weymouth | 8.7 mi | 10.00 pCi/L | 2 |
Plymouth County Radon Profile
The soils and bedrock of Plymouth County place it in EPA Radon Zone 2, a moderate-risk classification with predicted indoor averages of 2 to 4 pCi/L. Homeowner-submitted tests from 7 cities in Plymouth County average 7.50 pCi/L across 8 tests — above the EPA's 4 pCi/L action level, reinforcing the need for testing across the county. Since radon is the second leading cause of lung cancer nationally, the EPA urges every household in Plymouth County to test, as levels can differ between neighboring homes.