Minneapolis, MN water hardness

Minneapolis's tap water measures 100 ppm, which is moderately hard. The number comes from Minneapolis Water Treatment's 2026 published data, measured at the tap.

Score

100 ppm

Moderately hard

Minneapolis shower water

Hardness bands per the U.S. Geological Survey.

100

Soft
0–60

Moderately hard
61–120

Hard
121–180

Very hard
181+

Source: Minneapolis Water Treatment, 2026.

Minneapolis Water Treatment softens this water at the plant with lime treatment before it reaches you. The number above is what arrives at your tap, not what the source water measures.

Elsewhere in Minnesota, Saint Paul tests at 90 ppm.

What this means

What Minneapolis Water Means for Hair and Skin

Between 61 and 120 ppm, effects are mild and many people never notice them. If your fixtures stay clean and soap behaves, this level is not worth treating.

Check your zip

Check Your Own Zip Code

Check the number for your exact address with the free zip lookup, or read the utility's own report linked above.

See all cities