Marcus Hook, PA Radon Levels
Check local Marcus Hook radon levels and find certified testing and mitigation professionals to keep your home safe
Marcus Hook, PA Radon Facts
Located in Delaware County within the Philadelphia Metro area, Marcus Hook shows elevated radon levels with an average of 13.0 pCi/L significantly exceeding the EPA action threshold. Pennsylvania's Reading Prong geology and uranium-bearing rocks frequently produce high readings throughout the southeastern counties. Residents in zip code 19061 should test immediately and consider professional mitigation given these concerning levels.
Based on 1 user-submitted radon test for homes in Marcus Hook, PA. The EPA recommends taking action at or above 4.0 pCi/L.
Marcus Hook, PA 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 Marcus Hook?
- 100% Free, No-Obligation Quotes
- Matches You with State-Licensed Delaware County Pros
Marcus Hook, PA Radon Levels
User-submitted radon test readings from homes in the Marcus Hook area.
| Radon Level | City | Home Age | Foundation |
|---|---|---|---|
| 13 pCi/L | Marcus Hook, PA | 51-99 Years | Full Basement |
Have a radon test result for Marcus Hook? Submit your reading to help other homeowners.
Radon Readings Near Marcus Hook, PA
Compare radon levels in Marcus Hook with the closest nearby cities that have user-submitted test data.
| City | Distance | Avg User Level | Readings |
|---|---|---|---|
| Aston | 2.4 mi | 4.00 pCi/L | 1 |
| Garnet Valley | 3.8 mi | 7.00 pCi/L | 1 |
| Glen Mills | 6.2 mi | 3.00 pCi/L | 1 |
| Media | 6.5 mi | 7.00 pCi/L | 2 |
| Swarthmore | 6.6 mi | 5.25 pCi/L | 4 |
| Morton | 7.9 mi | 4.00 pCi/L | 1 |
| Springfield | 8.8 mi | 5.67 pCi/L | 3 |
| Clifton Heights | 10.1 mi | 5.00 pCi/L | 1 |
Delaware County Radon Profile
The bedrock and soils beneath Delaware 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 13 cities in Delaware County average 5.59 pCi/L across 22 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 Delaware County.