Princeton vs Elizabeth Water Quality
Side-by-side water quality comparison for two New Jersey cities.
If you are comparing Princeton and Elizabeth water quality - whether moving, choosing between the two, or curious about a relative's water - here is what the data shows.
Hardness comparison
Princeton has somewhat harder water at 70 PPM versus Elizabeth at 64 PPM, a difference of 6 PPM. Elizabeth has moderate hardness where a softener is optional.
Water sources and why they differ
Water sources differ: Princeton draws from Delaware River + local wells, while Elizabeth uses Raritan River system. Both use similar source types, but local geology creates the hardness variation.
Contaminant concerns
PFAS contamination is a concern in Elizabeth (7.95 ppt, above the EPA limit of 4 ppt). A reverse osmosis system or NSF P473-certified filter is recommended for drinking water.
What this means for you
Not sure what your specific situation needs? Take the quiz to get a recommendation based on your water data, budget, and household size.
| Metric | Princeton | Elizabeth |
|---|---|---|
| Hardness | 70 PPM | 64 PPM |
| GPG | 4.1 | 3.7 |
| TDS | 120 PPM | 89 PPM |
| PFAS | 0 ppt | 7.95 ppt |
| Lead | 4 ppb | 2 ppb |
| Chlorine | 1 mg/L | 0.9 mg/L |
| Level | Moderately Hard | Moderately Hard |