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  • Water Hardness North Dakota

    Here are the water hardness values for the cities in North Dakota.
    City AVG Hardness PPM / mg/L AVG Hardness Grains per Gallon
    Bismarck 122 7.2
    Fargo 146 8.6
    Grand Forks 214 12
    Lisbon 200 12
    Minot 140 8.2