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Louisiana Water Hardness
Across the 2 cities we track in Louisiana, hardness ranges from 3–8.1 GPG, with 1 city running hard or very hard, and 3 more cities don't publish a figure.
2 cities tracked. View the Louisiana hardness map → · Is Louisiana water safe to drink? →
Cities with no published figure
These Louisiana 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.