Waterbury vs Westport Water Quality

Side-by-side water quality comparison for two Connecticut cities.

If you are comparing Waterbury and Westport 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 Westport at 18 PPM, a difference of 37 PPM. Westport 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 Westport uses Aspetuck Reservoir. Both use similar source types, but local geology creates the hardness variation.

Contaminant concerns

PFAS contamination is a concern in Westport (39.75 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.

MetricWaterburyWestport
Hardness55 PPM18 PPM
GPG3.21.1
TDS86 PPM35 PPM
PFAS0 ppt39.75 ppt
Lead4 ppb1.7 ppb
Chlorine0.9 mg/L1 mg/L
LevelSlightly HardSlightly Hard

FAQ

Which has harder water, Waterbury or Westport?
Waterbury has harder water at 55 PPM compared to Westport at 18 PPM. That is a difference of 37 PPM.
Do I need a water softener if I move from Westport to Waterbury?
Probably not. At 55 PPM, the water is manageable without a softener for most homes.
Is Westport water safe to drink?
Westport water meets EPA safety standards. However, PFAS levels of 39.75 ppt exceed the 2024 EPA health advisory of 4 ppt. A certified filter is recommended.