Home › Arizona

Arizona Water Hardness

Across the 10 cities we track in Arizona, hardness ranges from 2.9–20.6 GPG, with 9 cities running hard or very hard, and 4 more cities don't publish a figure.

10 cities tracked. View the Arizona hardness map → · Is Arizona water safe to drink? →

Scottsdale

20.6 GPG · 352.5 ppm
Very Hard

Yuma

20 GPG · 345 ppm
Very Hard

Mesa

17 GPG · 290.7 ppm
Very Hard

Phoenix

13.8 GPG · 237 ppm
Very Hard

Chandler

13.45 GPG · 230.5 ppm
Very Hard

Peoria

13 GPG · 222.3 ppm
Very Hard

Tempe

12.3 GPG · 211 ppm
Very Hard

Gilbert

10.79 GPG · 184.44 ppm
Very Hard

Buckeye

9.8 GPG · 168 ppm
Hard

Surprise

2.9 GPG · 49 ppm
Soft

Cities with no published figure

These Arizona cities don't publish a hardness number (it isn't a regulated parameter), so they can't be ranked — but we still track them. See each page for how to check your own tap.

Avondale

Hardness not published
Not Published

Glendale

Hardness not published
Not Published

Goodyear

Hardness not published
Not Published

Tucson

Hardness not published
Not Published