Mesa, AZ water quality
Mesa, AZ is served by 5 public water systems, serving 466,605 people combined. Across those systems, we count 0 health-based violations in the last 5 years. The worst Tap Grade among them is C.
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Is Mesa, AZ tap water safe to drink?
5 public water systems serve Mesa, AZ, with 0 health-based violations in the last 5 years across them. The worst Tap Grade among them is C.
Does Mesa's water have lead in it?
The most recent 90th-percentile lead sample is 5 ppb, versus the EPA action level of 15 ppb.
Has PFAS been detected in Mesa's water?
Yes — at least one water system serving Mesa has detected PFAS under UCMR5.
Source: EPA SDWIS/ECHO · Data as of 2026Q2