Gastonia vs Charlotte Water Quality
Side-by-side water quality comparison for two North Carolina cities.
If you are comparing Gastonia and Charlotte water quality - whether moving, choosing between the two, or curious about a relative's water - here is what the data shows.
Hardness comparison
Gastonia has somewhat harder water at 53 PPM versus Charlotte at 50 PPM, a difference of 3 PPM. Charlotte residents generally do not need any water softening equipment.
Water sources and why they differ
Water sources differ: Gastonia draws from Mountain Island Lake, while Charlotte uses Mountain Island Lake + Catawba River. Both use similar source types, but local geology creates the hardness variation.
Contaminant concerns
PFAS contamination is a concern in Charlotte (10.85 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 | Gastonia | Charlotte |
|---|---|---|
| Hardness | 53 PPM | 50 PPM |
| GPG | 3.1 | 2.9 |
| TDS | 69 PPM | 80 PPM |
| PFAS | 0 ppt | 10.85 ppt |
| Lead | 0.1 ppb | 6 ppb |
| Chlorine | 1.4 mg/L | 1.3 mg/L |
| Level | Slightly Hard | Slightly Hard |