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  • Water Hardness Minnesota

    Here are the water hardness values for the cities in Minnesota.
    City AVG Hardness PPM / mg/L AVG Hardness Grains per Gallon
    Andover  165 10
    Anoka 255 15
    Apple Valley 291 17.1
    Becker 340 20
    Bemidji 287 17
    Big Falls 190 11
    Big Lake 311 18
    Blaine 333.8 19.6
    Bloomington 90 5.3
    Brainerd 244 14
    Brooklyn Park 547.8 32.1
    Buffalo  357 21
    Burnsville 310 18
    Chaska 296 17
    Circle Pines 365 21
    Cloquet 322 19
    Cottage Grove 301 18
    Detroit Lakes 377 22
    Duluth  45 3
    East Grand Forks 327 19
    Eagan 327.5 19.2
    Eden Prairie 90 5.3
    Edina 316.7 18.6
    Elk River 129 8
    Excelsior 301 18
    Fairbault 165 10
    Farmington 196 11
    Fergus Falls 226 13
    Forest Lake 222 13
    Grand Rapids 98 6
    Hastings 278 16
    Hopkins 352 21
    Inver Grove Heights 278 17
    Istani 283 17
    Lakeville 308.2 18.1
    Little Falls 196 11
    Maple Grove 453.5 26.6
    Minnetonka 310 18
    Minneapolis 85 5
    Moorehead 233 14
    Northfield  189 11
    Osseso 210 12
    Owatoona  241 14
    Plymouth 410.9 24.1
    Prior Lake  317 19
    Red Wing  315 19
    Rochester 100.5 5.9
    Rosemount 278 16
    Sartell 393 23
    St. Cloud 135 7.9
    St. Paul 90 5.3
    Savage  314 19
    Shakopee 333 20
    Stillwater 245 14
    Windom 240 14
    Willmar  269 15
    Winona 220 12.9
    Woodbury 231 13.6
    Worthington 314 19
    Zimmerman  322 19