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Hayden, AZ Tap Water Quality 2026

Water quality report for Hayden, AZ — PFAS, lead and copper results, violation history and state inspection findings from EPA SDWIS.

A look at Hayden's drinking water using EPA enforcement records: violations, lead and copper results, PFAS sampling and state inspection findings.

Main Utility: Hayden Town Of PWSID: AZ0404054 Updated: 2026 Q2
✅

No federal limits exceeded on record

Lead was not detected and no violations are open. PFAS has never been sampled at this system.

B

Hayden earns a B for water quality

Graded on violations and lead, with state inspection findings. PFAS not tested.

Lead: not detected
PFAS never sampled at this system
27 violations since 2015, 0 health-based
No violations currently open
Hayden's lead level vs. all Arizona community water systems
0 ppb5 ppb10 ppb15 ppb
Lead level: Not detected — 0% of the federal action level
✓ Lower lead than % of Arizona utilities
Population Served
493
~305 connections
Water Source
Groundwater
Purchased groundwater from another system — SDWIS source code GWP
Active Violations
0
27 since 2015, all resolved

Lead & Copper Testing

Lead (Pb)
90th percentile of tap samples collected across the distribution system
0% of EPA action level
Not detected
Action level: 15 ppb
Lead was not detected at the 90th percentile — the result fell below the laboratory detection limit. That is not the same as an absence of lead in every tap, and older homes with lead service lines can still show higher readings.

Contaminant Violations (2015–Present)

ContaminantTypeMeasuredLimitPeriodStatus
Public Notice OTHER — — 2026 Unaddressed
Public Notice OTHER — — 2026 Unaddressed
Lead and Copper Rule MONITORING AND REPORTING — TT 2025 Resolved
Public Notice OTHER — — 2025 Resolved
Chlorine MONITORING AND REPORTING — 4.0 mg/L 2025 Resolved
Consumer Confidence Rule OTHER — — 2025 Resolved
Lead and Copper Rule MONITORING AND REPORTING — TT 2025 Resolved
TTHM MONITORING AND REPORTING — 0.080 mg/L 2025 Archived
Total Haloacetic Acids (HAA5) MONITORING AND REPORTING — 0.060 mg/L 2025 Archived
Lead and Copper Rule MONITORING AND REPORTING — TT 2024 Resolved
TTHM MONITORING AND REPORTING — 0.080 mg/L 2023 Resolved
Total Haloacetic Acids (HAA5) MONITORING AND REPORTING — 0.060 mg/L 2023 Resolved
TTHM MONITORING AND REPORTING — 0.080 mg/L 2021–2022 Resolved
Total Haloacetic Acids (HAA5) MONITORING AND REPORTING — 0.060 mg/L 2021–2022 Resolved
Chlorine MONITORING AND REPORTING — 4.0 mg/L 2020 Resolved
Chlorine MONITORING AND REPORTING — 4.0 mg/L 2018 Resolved
Chlorine MONITORING AND REPORTING — 4.0 mg/L 2017 Resolved
Chlorine MONITORING AND REPORTING — 4.0 mg/L 2016 Resolved
Coliform (TCR) MONITORING AND REPORTING — 5% of samples 2016 Resolved
Chlorine MONITORING AND REPORTING — 4.0 mg/L 2016 Resolved
Chlorine MONITORING AND REPORTING — 4.0 mg/L 2015 Resolved
Chlorine MONITORING AND REPORTING — 4.0 mg/L 2015 Resolved
Consumer Confidence Rule OTHER — — 2015 Resolved
Coliform (TCR) MONITORING AND REPORTING — 5% of samples 2015 Resolved
Chlorine MONITORING AND REPORTING — 4.0 mg/L 2015 Resolved
Coliform (TCR) MONITORING AND REPORTING — 5% of samples 2015 Resolved
Coliform (TCR) MONITORING AND REPORTING — 5% of samples 2015 Resolved
Understanding violation types MCL violations mean a contaminant exceeded the federal maximum limit — the most serious type.
TT (Treatment Technique) violations mean required treatment procedures weren't followed, but don't necessarily mean contamination occurred.

Violation History

27 violations are on record since 2015, of which 0 were health-based. All have been resolved and none remain open.

About the Main Water System

Utility Hayden Town Of
PWSID AZ0404054
Water source Groundwater — Purchased groundwater from another system — SDWIS source code GWP
Population served 493
Service connections 305
Systems serving this area 2
Regulator State primacy agency
Data through 2026 Q2 — EPA SDWIS

Frequently Asked Questions

Is Hayden tap water safe to drink? ▼
No federal limit is exceeded on record. No violations are currently open.
Does Hayden water have PFAS? ▼
This system has never been sampled for PFAS. EPA's national monitoring covered systems serving 3,300 people or more, so no results exist — which is not evidence that none is present.
Who supplies water to Hayden? ▼
Hayden Town Of (PWSID AZ0404054), one of 2 systems serving this area. Groundwater. Purchased groundwater from another system — SDWIS source code GWP
When was this system last inspected? ▼
It was last inspected on 2024-11-06. No significant deficiencies were recorded.

What Should Hayden Residents Do?

1
Read your annual water report
Your supplier publishes a Consumer Confidence Report each July covering the prior year.
2
Check for a lead service line
Lead reaches tap water mainly through service lines and household plumbing. Suppliers now publish an inventory identifying lead lines.
3
Flush before drinking
If water has sat in pipes more than six hours, run the cold tap for two minutes before drinking or cooking.

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