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Elfrida, AZ Tap Water Quality 2026

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

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

Main Utility: Elfrida Wid PWSID: AZ0402017 Updated: 2026 Q2
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1 violation currently open

Lead is 7.00 ppb, 47% of the action level. PFAS has never been sampled at this system.

F

Elfrida earns an F for water quality

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

Lead: 7.00 ppb — 47% of the federal action level
PFAS never sampled at this system
28 violations since 2015, 7 health-based
1 violation currently open
Elfrida's lead level vs. all Arizona community water systems
0 ppb5 ppb10 ppb15 ppb
Lead level: 7.00 ppb — 47% of the federal action level
✓ Lower lead than 12% of Arizona utilities
Population Served
412
~233 connections
Water Source
Groundwater
Drawn from wells — SDWIS source code GW
Active Violations
1
1 open of 28 since 2015

Lead & Copper Testing

Lead (Pb)
90th percentile of tap samples collected across the distribution system
47% of EPA action level
7.00 ppb
Action level: 15 ppb
The 90th-percentile lead result is 7.00 ppb, 47% 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
Public Notice OTHER — — 2025 Resolved
Consumer Confidence Rule OTHER — — 2025 Unaddressed
Consumer Confidence Rule OTHER — — 2025 Unaddressed
Public Notice OTHER — — 2024 Unaddressed
LEAD AND COPPER RULE REVISIONS REPORTING FAILURE — — 2024 Resolved
LEAD AND COPPER RULE REVISIONS TREATMENT TECHNIQUE — — 2024 Resolved
Lead and Copper Rule MONITORING AND REPORTING — TT 2024 Resolved
TTHM MONITORING AND REPORTING — 0.080 mg/L 2024 Resolved
Total Haloacetic Acids (HAA5) MONITORING AND REPORTING — 0.060 mg/L 2024 Resolved
Groundwater Rule TREATMENT TECHNIQUE — — 2023 Resolved
Groundwater Rule TREATMENT TECHNIQUE — — 2023 Resolved
Groundwater Rule TREATMENT TECHNIQUE — — 2023 Resolved
Groundwater Rule TREATMENT TECHNIQUE — — 2023 Unaddressed
Groundwater Rule TREATMENT TECHNIQUE — — 2023 Resolved
Lead and Copper Rule MONITORING AND REPORTING — TT 2023 Resolved
Consumer Confidence Rule OTHER — — 2022 Resolved
Consumer Confidence Rule OTHER — — 2022 Resolved
Groundwater Rule TREATMENT TECHNIQUE — — 2021 Resolved
Lead and Copper Rule MONITORING AND REPORTING — TT 2020 Resolved
Lead and Copper Rule MONITORING AND REPORTING — TT 2020 Resolved
Lead and Copper Rule MONITORING AND REPORTING — TT 2017 Resolved
TTHM MONITORING AND REPORTING — 0.080 mg/L 2017–2018 Resolved
Total Haloacetic Acids (HAA5) MONITORING AND REPORTING — 0.060 mg/L 2017–2018 Resolved
Consumer Confidence Rule OTHER — — 2016 Resolved
TTHM MONITORING AND REPORTING — 0.080 mg/L 2016–2017 Resolved
Total Haloacetic Acids (HAA5) MONITORING AND REPORTING — 0.060 mg/L 2016–2017 Resolved
Consumer Confidence Rule OTHER — — 2015 Resolved
Consumer Confidence Rule OTHER — — 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

1 violation remains open, out of 28 recorded since 2015 (7 health-based).

About the Main Water System

Utility Elfrida Wid
PWSID AZ0402017
Water source Groundwater — Drawn from wells — SDWIS source code GW
Population served 412
Service connections 233
Systems serving this area 1
Regulator State primacy agency
Data through 2026 Q2 — EPA SDWIS

Frequently Asked Questions

Is Elfrida tap water safe to drink? ▼
No federal limit is exceeded on record. 1 violation(s) remain open. Lead is 7.00 ppb, 47% of the action level.
Does Elfrida 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 Elfrida? ▼
Elfrida Wid (PWSID AZ0402017). Groundwater. Drawn from wells — SDWIS source code GW
When was this system last inspected? ▼
It was last inspected on 2026-02-25. Inspectors recorded 2 significant deficiencies.

What Should Elfrida Residents Do?

1
Consider a filter certified for lead
Look for NSF/ANSI 53 certification for lead reduction.
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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