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Shongopovi, AZ Tap Water Quality 2026

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

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

Main Utility: Shungopavi PWSID: 090400259 Updated: 2026 Q2
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1 violation currently open

Lead is 0.60 ppb, 4% of the action level. PFAS has never been sampled at this system.

D

Shongopovi earns a D for water quality

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

Lead: 0.60 ppb — 4% of the federal action level
PFAS never sampled at this system
69 violations since 2015, 37 health-based
1 violation currently open
Shongopovi's lead level vs. all Arizona community water systems
0 ppb5 ppb10 ppb15 ppb
Lead level: 0.60 ppb — 4% of the federal action level
✓ Lower lead than 93% of Arizona utilities
Population Served
629
~201 connections
Water Source
Groundwater
Purchased groundwater from another system — SDWIS source code GWP
Active Violations
1
1 open of 69 since 2015

Lead & Copper Testing

Lead (Pb)
90th percentile of tap samples collected across the distribution system
4% of EPA action level
0.60 ppb
Action level: 15 ppb
The 90th-percentile lead result is 0.60 ppb, 4% 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
Revised Total Coliform Rule MONITORING FAILURE — — 2025 Resolved
Public Notice OTHER — — 2025 Unaddressed
LEAD AND COPPER RULE REVISIONS TREATMENT TECHNIQUE — — 2024 Unaddressed
LEAD AND COPPER RULE REVISIONS REPORTING FAILURE — — 2024 Resolved
Arsenic MCL EXCEEDANCE 0.014 MG/L 0.010 mg/L 2023 Resolved
Revised Total Coliform Rule MONITORING FAILURE — — 2023 Resolved
Arsenic MCL EXCEEDANCE 0.0145 MG/L 0.010 mg/L 2023 Resolved
Arsenic MONITORING AND REPORTING — 0.010 mg/L 2023 Resolved
Chlorine MONITORING AND REPORTING — 4.0 mg/L 2023 Resolved
Arsenic MCL EXCEEDANCE 0.0143 MG/L 0.010 mg/L 2023 Resolved
Chlorine MONITORING AND REPORTING — 4.0 mg/L 2023 Archived
Arsenic MCL EXCEEDANCE 0.0143 MG/L 0.010 mg/L 2023 Resolved
Nitrate MONITORING AND REPORTING — 10 mg/L 2023 Archived
Arsenic MCL EXCEEDANCE 0.0145 MG/L 0.010 mg/L 2022 Resolved
Arsenic MCL EXCEEDANCE 0.0145 MG/L 0.010 mg/L 2022 Resolved
Chlorine MONITORING AND REPORTING — 4.0 mg/L 2022 Resolved
Arsenic MCL EXCEEDANCE 0.015 MG/L 0.010 mg/L 2022 Resolved
Revised Total Coliform Rule MONITORING FAILURE — — 2022 Resolved
Arsenic MCL EXCEEDANCE 0.0145 MG/L 0.010 mg/L 2022 Resolved
Arsenic MONITORING AND REPORTING — 0.010 mg/L 2022 Resolved
Total Haloacetic Acids (HAA5) MONITORING AND REPORTING — 0.060 mg/L 2022 Archived
TTHM MONITORING AND REPORTING — 0.080 mg/L 2022 Archived
Revised Total Coliform Rule MONITORING FAILURE — — 2022 Resolved
Revised Total Coliform Rule MONITORING FAILURE — — 2021 Resolved
Revised Total Coliform Rule REPORTING FAILURE — — 2021 Resolved
Arsenic MCL EXCEEDANCE 0.0145 MG/L 0.010 mg/L 2021 Resolved
Arsenic MONITORING AND REPORTING — 0.010 mg/L 2021 Resolved
Chlorine MONITORING AND REPORTING — 4.0 mg/L 2021 Resolved
Arsenic MCL EXCEEDANCE 0.0145 MG/L 0.010 mg/L 2021 Resolved
Chlorine MONITORING AND REPORTING — 4.0 mg/L 2021 Resolved
Arsenic MCL EXCEEDANCE 0.0143 MG/L 0.010 mg/L 2021 Resolved
Chlorine MONITORING AND REPORTING — 4.0 mg/L 2021 Resolved
Arsenic MCL EXCEEDANCE 0.0143 MG/L 0.010 mg/L 2021 Resolved
Nitrate MONITORING AND REPORTING — 10 mg/L 2021 Resolved
Arsenic MCL EXCEEDANCE 0.0145 MG/L 0.010 mg/L 2020 Resolved
Arsenic MCL EXCEEDANCE 0.0148 MG/L 0.010 mg/L 2020 Resolved
Arsenic MCL EXCEEDANCE 0.0158 MG/L 0.010 mg/L 2020 Resolved
Arsenic MCL EXCEEDANCE 0.0158 MG/L 0.010 mg/L 2020 Resolved
Arsenic MCL EXCEEDANCE 0.0158 MG/L 0.010 mg/L 2019 Resolved
Arsenic MCL EXCEEDANCE 0.0153 MG/L 0.010 mg/L 2019 Resolved
Arsenic MCL EXCEEDANCE 0.0153 MG/L 0.010 mg/L 2019 Resolved
Arsenic MCL EXCEEDANCE 0.014 MG/L 0.010 mg/L 2019 Resolved
Total Haloacetic Acids (HAA5) MONITORING AND REPORTING — 0.060 mg/L 2019 Resolved
Arsenic MCL EXCEEDANCE 0.014 MG/L 0.010 mg/L 2018 Resolved
Arsenic MCL EXCEEDANCE 0.014 MG/L 0.010 mg/L 2018 Resolved
Arsenic MCL EXCEEDANCE 0.0141 MG/L 0.010 mg/L 2018 Resolved
Arsenic MCL EXCEEDANCE 0.0138 MG/L 0.010 mg/L 2018 Resolved
Arsenic MCL EXCEEDANCE 0.0136 MG/L 0.010 mg/L 2017 Resolved
Arsenic MCL EXCEEDANCE 0.013 MG/L 0.010 mg/L 2017 Resolved
Benzo(a)pyrene MONITORING AND REPORTING — 0.0002 mg/L 2017 Resolved
Arsenic MCL EXCEEDANCE 0.0135 MG/L 0.010 mg/L 2017 Resolved
Benzo(a)pyrene MONITORING AND REPORTING — 0.0002 mg/L 2017 Resolved
Arsenic MCL EXCEEDANCE 0.0148 MG/L 0.010 mg/L 2017 Resolved
Lead and Copper Rule MONITORING AND REPORTING — TT 2017 Resolved
Arsenic MCL EXCEEDANCE 0.0132 MG/L 0.010 mg/L 2016 Resolved
Public Notice OTHER — — 2016 Resolved
Arsenic MCL EXCEEDANCE 0.015 MG/L 0.010 mg/L 2016 Resolved
Arsenic MCL EXCEEDANCE 0.0145 MG/L 0.010 mg/L 2016 Resolved
Public Notice OTHER — — 2016 Resolved
Arsenic MCL EXCEEDANCE 0.0134 MG/L 0.010 mg/L 2016 Resolved
Public Notice OTHER — — 2016 Resolved
Arsenic MCL EXCEEDANCE 0.0132 MG/L 0.010 mg/L 2015 Resolved
Public Notice OTHER — — 2015 Resolved
Arsenic MCL EXCEEDANCE 0.0138 MG/L 0.010 mg/L 2015 Resolved
Public Notice OTHER — — 2015 Resolved
Arsenic MCL EXCEEDANCE 0.0133 MG/L 0.010 mg/L 2015 Resolved
Arsenic MCL EXCEEDANCE 0.014 MG/L 0.010 mg/L 2015 Resolved
Arsenic MONITORING AND REPORTING — 0.010 mg/L 2015 Resolved
Public Notice 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 69 recorded since 2015 (37 health-based).

About the Main Water System

Utility Shungopavi
PWSID 090400259
Water source Groundwater — Purchased groundwater from another system — SDWIS source code GWP
Population served 629
Service connections 201
Systems serving this area 1
Regulator US EPA (tribal primacy)
Data through 2026 Q2 — EPA SDWIS

Frequently Asked Questions

Is Shongopovi tap water safe to drink? ▼
No federal limit is exceeded on record. 1 violation(s) remain open. Lead is 0.60 ppb, 4% of the action level.
Does Shongopovi 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 Shongopovi? ▼
Shungopavi (PWSID 090400259). Groundwater. Purchased groundwater from another system — SDWIS source code GWP
When was this system last inspected? ▼
It was last inspected on 2025-10-22. Inspectors recorded 1 significant deficiency.

What Should Shongopovi 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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