PFAS in New Jersey Drinking Water — 48 ZIPs Tested
EPA data analysis for pfas in New Jersey drinking water systems
PFAS Contamination in New Jersey
ZipCheckup analyzed drinking water data across 726 ZIP codes in New Jersey for pfas contamination. 48 ZIP codes have reported pfas detections, and 13 have EPA violations on record.
The violation rate for pfas in New Jersey is 1.8% of all ZIP codes — roughly in line with the national average.
EPA Standard for PFAS
The EPA maximum contaminant level (MCL) for pfas is 4 ppt (PFOA/PFOS), governed by the PFAS NPDWR (2024). Water systems that exceed this limit must take corrective action and notify consumers.
Worst ZIP Codes for PFAS in New Jersey
These ZIP codes reported the highest pfas levels in New Jersey based on CCR reports and EPA data:
Lowest PFAS Levels in New Jersey
These ZIP codes had the lowest reported pfas detections in New Jersey:
Health Effects of PFAS
PFAS (per- and polyfluoroalkyl substances) are linked to cancer (kidney, testicular), thyroid disease, immune system suppression, reproductive problems, and elevated cholesterol. These "forever chemicals" persist in the body for years.
How to Remove PFAS From Drinking Water
The most effective treatment for pfas removal is Reverse Osmosis or Granular Activated Carbon. Look for filters certified under NSF 53 / NSF 58 standards.
Check Your ZIP Code
Use the ZipCheckup water quality search to see pfas data for your specific water system in New Jersey.
Worst ZIP Codes for PFAS in New Jersey
Ranked by highest pfas detection level.
| Rank | ZIP Code | City | Level Detected | EPA Limit | Status |
|---|---|---|---|---|---|
| 1 | 07423 | Ho Ho Kus | 34.9 PPT | 14 PPT | Exceeds |
| 2 | 07432 | Midland Park | 34.9 PPT | 14 PPT | Exceeds |
| 3 | 07450 | Ridgewood | 34.9 PPT | 14 PPT | Exceeds |
| 4 | 07451 | Ridgewood | 34.9 PPT | 14 PPT | Exceeds |
| 5 | 07452 | Glen Rock | 34.9 PPT | 14 PPT | Exceeds |
| 6 | 07481 | Wyckoff | 34.9 PPT | 14 PPT | Exceeds |
| 7 | 07653 | Paramus | 34.9 PPT | 14 PPT | Exceeds |
| 8 | 07039 | Livingston | 21.8 ppt | 14 ppt | Exceeds |
| 9 | 07936 | East Hanover | 21.8 ppt | 14 ppt | Exceeds |
| 10 | 07927 | Cedar Knolls | 12 ppt | 14 ppt | Within Limit |
| 11 | 07950 | Morris Plains | 12 ppt | 14 ppt | Within Limit |
| 12 | 07976 | New Vernon | 12 ppt | 14 ppt | Within Limit |
| 13 | 07981 | Whippany | 12 ppt | 14 ppt | Within Limit |
| 14 | 08701 | Lakewood | 9.8 ppt | 14 ppt | Within Limit |
| 15 | 08401 | Atlantic City | 9.6 ppt | 4 ppt | Exceeds |
| 16 | 08404 | Atlantic City | 9.6 ppt | 4 ppt | Exceeds |
| 17 | 08405 | Atlantic City | 9.6 ppt | 4 ppt | Exceeds |
| 18 | 08406 | Ventnor City | 9.6 ppt | 4 ppt | Exceeds |
| 19 | 07034 | Lake Hiawatha | 7.3 ppt | 14 ppt | Within Limit |
| 20 | 07045 | Montville | 7.3 ppt | 14 ppt | Within Limit |
Lowest PFAS Levels in New Jersey
Cities with PFAS Data in New Jersey
346 cities in New Jersey have pfas testing data available.
+ 326 more cities