MESA CITY OF
Mesa, AZ · 466,000 served
MESA CITY OF serves 466,000 people in Mesa, AZ. It has 0 health-based violations in the last 5 years. TapGraded gives this system a C.
Score breakdown
Health-based violations (5y)
0
Monitoring violations (5y)
25
Currently unaddressed
0
Overall score
74/100
Violation history (last 5 years)
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Lead (Lead and Copper Rule)
EPA's current lead action level is 15 ppb (dropping to 10 ppb in 2027 under the Lead and Copper Rule Improvements).
PFAS (UCMR5 occurrence data)
System details
- System type
- Community water system
- Water source
- Surface water
- Ownership
- Local government
- Service connections
- 142,500
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Is Mesa, AZ tap water safe to drink?
MESA CITY OF has 0 health-based violations in the last 5 years. TapGraded gives this system a C.
Does MESA CITY OF have lead in its water?
The most recent 90th-percentile lead sample is 5 ppb, versus the EPA action level of 15 ppb.
Has PFAS been detected in MESA CITY OF's water?
Yes — PFAS was detected, but below the EPA MCL for every tracked analyte.
Source: EPA SDWIS/ECHO · Data as of 2026Q2