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Connecticut Water Hardness
Across the 3 cities we track in Connecticut, hardness ranges from 0.88–3 GPG — no city runs hard or very hard, and 2 more cities don't publish a figure.
3 cities tracked. View the Connecticut hardness map → · Is Connecticut water safe to drink? →
Cities with no published figure
These Connecticut cities don't publish a hardness number (it isn't a regulated parameter), so they can't be ranked — but we still track them. See each page for how to check your own tap.