Hewitt, NJ Radon Mitigation and Testing
Hewitt residents in Passaic County within the New York City Metro area face elevated radon concerns, with local readings averaging 7.0 pCi/L — well above the EPA action threshold. New Jersey's complex geology, particularly in the northern highlands region around ZIP code 07421, frequently produces high radon levels requiring professional mitigation. With readings ranging from 1.0 to 12.0 pCi/L in tested homes, individual assessment is essential for all properties.
Based on 4 user-submitted radon tests for homes in Hewitt, NJ. The EPA recommends taking action at or above 4.0 pCi/L.
Hewitt, NJ Radon Mitigation
Professional radon mitigation is the most effective way to permanently lower radon levels and protect your household.
Hewitt, NJ Radon Testing
Finding qualified radon testing professionals is the first step toward protecting your home.
Hewitt, New Jersey Radon Levels
User-submitted radon test readings from homes in the Hewitt area.
| Radon Level | City | Home Age | Foundation | Submitted |
|---|---|---|---|---|
| 1 pCi/L | Hewitt, NJ | 51-99 Years | Full Basement | Mar 2024 |
| 11 pCi/L | Hewitt, NJ | 21-50 Years | Full Basement | Sep 2019 |
| 12 pCi/L | Hewitt, NJ | 51-99 Years | Full Basement | Sep 2018 |
| 4 pCi/L | Hewitt, NJ | 51-99 Years | Full Basement | Aug 2018 |
Have a radon test result for Hewitt? Submit your reading to help other homeowners.
Hewitt Radon Facts
Key details about the radon risk profile for Hewitt and the 07421 zip code area.
Hewitt and the 07421 zip code are located in Passaic 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 Hewitt, 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 |