Portland, OR water hardness

Portland's tap water measures 9 ppm, which is soft. The number comes from Portland Water Bureau's 2025 published data, measured at the tap.

Score

9 ppm

Soft

Portland shower water

Hardness bands per the U.S. Geological Survey.

Soft
0–60

Moderately hard
61–120

Hard
121–180

Very hard
181+

Source: Portland Water Bureau, 2025.

For comparison, New York, NY sits in the same range at 25 ppm.

What this means

What Portland Water Means for Hair and Skin

Below 60 ppm there is nothing to fix. If your water bothers you at this level, the cause is likely chlorine, which is a filter's job, and a different topic than hardness.

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