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Minnesota Water Hardness

Across the 4 cities we track in Minnesota, hardness ranges from 5.2–17 GPG, with 1 city running hard or very hard, and 1 more city doesn't publish a figure.

4 cities tracked. View the Minnesota hardness map → · Is Minnesota water safe to drink? →

Cities with no published figure

These Minnesota 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.