Williamstown, NJ Radon Mitigation and Testing
Williamstown in Gloucester County shows moderate radon levels averaging 5.0 pCi/L, slightly above the EPA's 4.0 pCi/L action threshold. The Atlantic City Metro area's Coastal Plain geology, with sandy soils over deeper sedimentary layers, contributes to these elevated readings. Homes throughout the 08094 zip code should consider testing and potential mitigation, especially those with basements or crawl spaces.
Based on 2 user-submitted radon tests for homes in Williamstown, NJ. The EPA recommends taking action at or above 4.0 pCi/L.
Williamstown, NJ Radon Mitigation
Professional radon mitigation is the most effective way to permanently lower radon levels and protect your household.
Williamstown, NJ Radon Testing
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Williamstown, New Jersey Radon Levels
User-submitted radon test readings from homes in the Williamstown area.
| Radon Level | City | Home Age | Foundation | Submitted |
|---|---|---|---|---|
| 4 pCi/L | Williamstown, NJ | — | Full Basement | Mar 2023 |
| 6 pCi/L | Williamstown, NJ | 0-20 Years | Full Basement | May 2016 |
Have a radon test result for Williamstown? Submit your reading to help other homeowners.
Williamstown Radon Facts
Key details about the radon risk profile for Williamstown and the 08094 zip code area.
Williamstown and the 08094 zip code are located in Gloucester County, which has an EPA assigned Radon Zone of 2. A radon zone of 2 predicts an average indoor radon screening level between 2 and 4 pCi/L. The EPA recommends testing every home regardless of zone classification.
Radon FAQ for Williamstown, NJ
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Most Active Radon Markets in New Jersey
Cities with the most user-submitted radon test data in the state.
| City | Avg User Radon Level | Submissions |
|---|---|---|
| Cherry Hill | 6.44 pCi/L | 9 |
| Hillsborough | 6.14 pCi/L | 7 |
| Freehold | 10.50 pCi/L | 6 |
| Marlboro | 6.17 pCi/L | 6 |
| Bernardsville | 7.00 pCi/L | 5 |
| Phillipsburg | 7.00 pCi/L | 5 |
| Edison | 5.60 pCi/L | 5 |
| Princeton | 5.40 pCi/L | 5 |
| Sussex | 9.75 pCi/L | 4 |
| Piscataway | 6.75 pCi/L | 4 |
| Caldwell | 5.00 pCi/L | 4 |
| Atlantic Highlands | 4.75 pCi/L | 4 |
| West Orange | 4.00 pCi/L | 4 |
| Basking Ridge | 3.75 pCi/L | 4 |
| Hackettstown | 3.75 pCi/L | 4 |
| Livingston | 3.25 pCi/L | 4 |
| Nutley | 3.25 pCi/L | 4 |
| Sicklerville | 7.00 pCi/L | 3 |
| Clifton | 6.00 pCi/L | 3 |
| Westfield | 6.00 pCi/L | 3 |