Danbury vs Hartford Water Quality
Side-by-side water quality comparison for two Connecticut cities.
If you are comparing Danbury and Hartford water quality - whether moving, choosing between the two, or curious about a relative's water - here is what the data shows.
Hardness comparison
Danbury has somewhat harder water at 50 PPM versus Hartford at 48 PPM, a difference of 2 PPM. Hartford residents generally do not need any water softening equipment.
Water sources and why they differ
Water sources differ: Danbury draws from Reservoirs, wells, while Hartford uses Barkhamsted Reservoir. 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 | Danbury | Hartford |
|---|---|---|
| Hardness | 50 PPM | 48 PPM |
| GPG | 2.9 | 2.8 |
| TDS | 83 PPM | 57 PPM |
| PFAS | 15.41 ppt | 0 ppt |
| Lead | 1.1 ppb | 6.7 ppb |
| Chlorine | 1.3 mg/L | 1 mg/L |
| Level | Slightly Hard | Slightly Hard |