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Cibecue, AZ Tap Water Quality 2026

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

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

Main Utility: Wmatua Cibecue PWSID: 090400243 Updated: 2026 Q2
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2 violations currently open

Lead is 1.00 ppb, 7% of the action level. PFAS has never been sampled at this system.

F

Cibecue earns an F for water quality

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

Lead: 1.00 ppb — 7% of the federal action level
PFAS never sampled at this system
8 violations since 2015, 4 health-based
2 violations currently open
Cibecue's lead level vs. all Arizona community water systems
0 ppb5 ppb10 ppb15 ppb
Lead level: 1.00 ppb — 7% of the federal action level
✓ Lower lead than 78% of Arizona utilities
Population Served
1208
~427 connections
Water Source
Groundwater
Drawn from wells — SDWIS source code GW
Active Violations
2
2 open of 8 since 2015

Lead & Copper Testing

Lead (Pb)
90th percentile of tap samples collected across the distribution system
7% of EPA action level
1.00 ppb
Action level: 15 ppb
The 90th-percentile lead result is 1.00 ppb, 7% of the 15 ppb federal action level. The action level is a treatment trigger, not a legal maximum, and it is measured across sampled taps rather than at any single home.

Contaminant Violations (2015–Present)

ContaminantTypeMeasuredLimitPeriodStatus
Groundwater Rule TREATMENT TECHNIQUE — — 2026 Unaddressed
Groundwater Rule TREATMENT TECHNIQUE — — 2025 Resolved
Groundwater Rule TREATMENT TECHNIQUE — — 2025 Resolved
LEAD AND COPPER RULE REVISIONS TREATMENT TECHNIQUE — — 2024 Unaddressed
Total Haloacetic Acids (HAA5) MONITORING AND REPORTING — 0.060 mg/L 2023 Resolved
TTHM MONITORING AND REPORTING — 0.080 mg/L 2023 Resolved
Revised Total Coliform Rule MONITORING FAILURE — — 2016 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

2 violations remain open, out of 8 recorded since 2015 (4 health-based).

About the Main Water System

Utility Wmatua Cibecue
PWSID 090400243
Water source Groundwater — Drawn from wells — SDWIS source code GW
Population served 1,208
Service connections 427
Systems serving this area 2
Regulator US EPA (tribal primacy)
Data through 2026 Q2 — EPA SDWIS

Frequently Asked Questions

Is Cibecue tap water safe to drink? ▼
No federal limit is exceeded on record. 2 violation(s) remain open. Lead is 1.00 ppb, 7% of the action level.
Does Cibecue 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 Cibecue? ▼
Wmatua Cibecue (PWSID 090400243), one of 2 systems serving this area. Groundwater. Drawn from wells — SDWIS source code GW
When was this system last inspected? ▼
It was last inspected on 2023-06-08. Inspectors recorded 4 significant deficiencies.

What Should Cibecue 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
Follow the open violation
This system has an unresolved violation. Contact the supplier for its corrective-action schedule.

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