Water Hardness Minnesota
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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
Apple Valley 291 17.1
Blaine 333.8 19.6
Bloomington 90 5.3
Brooklyn Park 547.8 32.1
Eagan 327.5 19.2
Eden Prairie 90 5.3
Edina 316.7 18.6
Lakeville 308.2 18.1
Maple Grove 453.5 26.6
Minneapolis 85 5
Plymouth 410.9 24.1
Rochester 100.5 5.9
St. Cloud 135 7.9
St. Paul 90 5.3
Winona 220 12.9
Woodbury 231.1 13.6