Provo South vs St. George Water Quality
Side-by-side water quality comparison for two Utah cities.
If you are comparing Provo South and St. George water quality - whether moving, choosing between the two, or curious about a relative's water - here is what the data shows.
Hardness comparison
Provo South has somewhat harder water at 270 PPM versus St. George at 266 PPM, a difference of 4 PPM. At 270 PPM, Provo South residents should budget for a water softener ($600-$1,500 installed). Without one, expect scale buildup on fixtures, reduced water heater efficiency, and $800-$1,200/year in hidden costs. St. George also has hard water but to a lesser degree.
Both cities have hard water, but Provo South's higher hardness means more aggressive scale buildup and higher household impact.
Water sources and why they differ
Water sources differ: Provo South draws from Provo River + wells, while St. George uses Quail Creek Reservoir, Sand Hollow. Both use similar source types, but local geology creates the hardness variation.
What this means for you
If you are moving from St. George to Provo South, you will notice the water difference. Budget for a water softener and expect to use more soap and detergent until you install one.
Not sure what your specific situation needs? Take the quiz to get a recommendation based on your water data, budget, and household size.
| Metric | Provo South | St. George |
|---|---|---|
| Hardness | 270 PPM | 266 PPM |
| GPG | 15.8 | 15.6 |
| TDS | 420 PPM | 447 PPM |
| PFAS | 0 ppt | 0 ppt |
| Lead | 4.3 ppb | 1.4 ppb |
| Chlorine | 1.1 mg/L | 1.1 mg/L |
| Level | Extremely Hard | Extremely Hard |