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Oregon Water Hardness

Across the 3 cities we track in Oregon, hardness ranges from 0.5–1.4 GPG — no city runs hard or very hard, and 3 more cities don't publish a figure.

3 cities tracked. View the Oregon hardness map → · Is Oregon water safe to drink? →

Cities with no published figure

These Oregon 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.