Waterbury vs Danbury Water Quality
Side-by-side water quality comparison for two Connecticut cities.
If you are comparing Waterbury and Danbury water quality - whether moving, choosing between the two, or curious about a relative's water - here is what the data shows.
Hardness comparison
Waterbury has somewhat harder water at 55 PPM versus Danbury at 50 PPM, a difference of 5 PPM. Danbury residents generally do not need any water softening equipment.
Water sources and why they differ
Water sources differ: Waterbury draws from Wigwam Reservoir system, while Danbury uses Reservoirs, wells. Both use similar source types, but local geology creates the hardness variation.
Contaminant concerns
PFAS contamination is a concern in Danbury (15.41 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 | Waterbury | Danbury |
|---|---|---|
| Hardness | 55 PPM | 50 PPM |
| GPG | 3.2 | 2.9 |
| TDS | 86 PPM | 83 PPM |
| PFAS | 0 ppt | 15.41 ppt |
| Lead | 4 ppb | 1.1 ppb |
| Chlorine | 0.9 mg/L | 1.3 mg/L |
| Level | Slightly Hard | Slightly Hard |