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Water system · PWSID NN0400289

Ganado Public Schools

Ganado, AZ · ~684 people served

Check your exact address → Ganado overview
100
Excellent
PurityRadar safety score

PWSID

NN0400289

State

Arizona

City

Ganado

Population served

684

Primary source

Groundwater

Score history

No change since tracking began Jun 18, 2026.

Jun 18, 2026 · score 100 Jun 18, 2026 · score 100

2 score updates logged since tracking began Jun 18, 2026. Each future EPA re-score adds a point.

PFAS & contaminant readings

Latest detections from EPA’s UCMR5 monitoring (through Sep 2025). Levels in parts per trillion (ppt).

Lithium

55,000 ppt

limit —

No federal limit

Violations & enforcement

181

Violations on record

9

Unaddressed

3

Health-based

237

Enforcement actions

From EPA ECHO (SDWIS), most recent enforcement Dec 2025. Official EPA record →

Reporting · Lead & Copper Rule began Jul 2025 Unaddressed
Other · EPA contaminant 7500 began Apr 2025 Unaddressed
Other · EPA contaminant 7500 began Mar 2025 Unaddressed
Other · EPA contaminant 7500 began Dec 2024 Unaddressed
Other · EPA contaminant 7500 began Aug 2024 Unaddressed
Other · EPA contaminant 7500 began Jul 2024 Unaddressed
Other · EPA contaminant 7500 began Jun 2024 Unaddressed
Other · EPA contaminant 7500 began May 2024 Unaddressed
Other · EPA contaminant 7500 began Apr 2024 Unaddressed
Reporting · Lead & Copper Rule began Jun 2025 Resolved
Reporting · Lead & Copper Rule began May 2025 Resolved
Monitoring · Lead & Copper Rule began Mar 2025 Resolved

Recent enforcement actions

  • State action · SFJ Dec 2025
  • State action · SOX Nov 2025
  • State action · SOX Sep 2025
  • State action · SOX Sep 2025
  • State action · SFJ Jun 2025
  • State action · SFJ Jun 2025
  • State action · SFJ Jun 2025
  • State action · SOX May 2025

This profile is built from EPA public records for system NN0400289 — SDWIS violations and UCMR5 PFAS sampling. The score is system-level and can’t account for your home’s plumbing (older pipes can add lead at the tap). For health decisions, check your exact address, read the utility’s Consumer Confidence Report, and confirm with your provider.