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Arizona Water Hardness

9 cities ranked by hardness.

Yuma

18.2 GPG · 311 ppm
Very Hard

Gilbert

16.1 GPG · 275 ppm
Very Hard

Mesa

15.8 GPG · 270 ppm
Very Hard

Tempe

15.6 GPG · 267 ppm
Very Hard

Chandler

15.5 GPG · 265 ppm
Very Hard

Glendale

15.2 GPG · 260 ppm
Very Hard

Peoria

15 GPG · 257 ppm
Very Hard

Phoenix

15 GPG · 257 ppm
Very Hard

Tucson

11.5 GPG · 197 ppm
Hard