Water Quality in New Jersey
Water hardness and contaminant data for 6 cities across New Jersey. Find your city below to see a detailed water quality profile.
6
Cities
44
Avg Hardness (PPM)
64
Hardest City (PPM)
New Jersey Cities by Water Hardness
| City | Hardness (PPM) | Level | PFAS (ppt) | Source |
|---|---|---|---|---|
| Elizabeth | 64 | Moderately Hard | 4 | Raritan River system |
| Hoboken | 61 | Moderately Hard | 6 | Passaic River, Hackensack River |
| Paterson | 41 | Slightly Hard | 5 | Passaic River watershed |
| Jersey City | 39 | Slightly Hard | 5 | Boonton Reservoir |
| Newark | 30 | Slightly Hard | 5 | Pequannock Watershed |
| Trenton | 27 | Slightly Hard | 3 | Delaware River |