Warwick vs Providence Water Quality
Side-by-side water quality comparison for two Rhode Island cities.
If you are comparing Warwick and Providence water quality - whether moving, choosing between the two, or curious about a relative's water - here is what the data shows.
Hardness comparison
Warwick has somewhat harder water at 39 PPM versus Providence at 33 PPM, a difference of 6 PPM. Providence residents generally do not need any water softening equipment.
Water sources and why they differ
Water sources differ: Warwick draws from Scituate Reservoir, while Providence uses Scituate Reservoir. Both use similar source types, but local geology creates the hardness variation.
Contaminant concerns
PFAS contamination is a concern in Warwick (33.77 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 | Warwick | Providence |
|---|---|---|
| Hardness | 39 PPM | 33 PPM |
| GPG | 2.3 | 1.9 |
| TDS | 56 PPM | 48 PPM |
| PFAS | 33.77 ppt | 0 ppt |
| Lead | 1.4 ppb | 1.5 ppb |
| Chlorine | 1 mg/L | 1 mg/L |
| Level | Slightly Hard | Slightly Hard |