Prineville vs Pendleton Water Quality
Side-by-side water quality comparison for two Oregon cities.
If you are comparing Prineville and Pendleton water quality - whether moving, choosing between the two, or curious about a relative's water - here is what the data shows.
Hardness comparison
Prineville has somewhat harder water at 48 PPM versus Pendleton at 45 PPM, a difference of 3 PPM. Pendleton residents generally do not need any water softening equipment.
Water sources and why they differ
Water sources differ: Prineville draws from Crooked River & Ochoco Creek, while Pendleton uses Umatilla River & local wells. Both use similar source types, but local geology creates the hardness variation.
Contaminant concerns
PFAS contamination is a concern in Pendleton (4.8 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 | Prineville | Pendleton |
|---|---|---|
| Hardness | 48 PPM | 45 PPM |
| GPG | 2.8 | 2.6 |
| TDS | 83 PPM | 84 PPM |
| PFAS | 0 ppt | 4.8 ppt |
| Lead | 1.9 ppb | 2.5 ppb |
| Chlorine | 0.4 mg/L | 1 mg/L |
| Level | Slightly Hard | Slightly Hard |