TapGraded
D

PIMA UTILITIES

Phoenix, AZ · 20,000 served

PIMA UTILITIES serves 20,000 people in Phoenix, AZ. It has 2 health-based violations in the last 5 years. TapGraded gives this system a D.

Score breakdown

Health-based violations (5y)

2

Monitoring violations (5y)

13

Currently unaddressed

0

Overall score

59/100

Violation history (last 5 years)

2021
2023
2024
2025
Health-based Monitoring / reporting

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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).

90th-percentile lead sample 10 ppb
0 ppb EPA action level: 15 ppb

PFAS (UCMR5 occurrence data)

HFPO-DA (not detected) 0 ppt
0 ppt EPA MCL: 10 ppt
PFHxS (not detected) 0 ppt
0 ppt EPA MCL: 10 ppt
PFNA (not detected) 0 ppt
0 ppt EPA MCL: 10 ppt
PFOA (not detected) 0 ppt
0 ppt EPA MCL: 4 ppt
PFOS (not detected) 0 ppt
0 ppt EPA MCL: 4 ppt

System details

System type
Community water system
Water source
Ground water
Ownership
Private
Service connections
10,500

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Frequently asked questions

Is Phoenix, AZ tap water safe to drink?

PIMA UTILITIES has 2 health-based violations in the last 5 years. TapGraded gives this system a D.

Does PIMA UTILITIES have lead in its water?

The most recent 90th-percentile lead sample is 10 ppb, versus the EPA action level of 15 ppb.

Has PFAS been detected in PIMA UTILITIES's water?

This system was tested under UCMR5 and no PFAS was detected above the reporting limit in the analytes we track.

Source: EPA SDWIS/ECHO · Data as of 2026Q2