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Water system · PWSID AS9310751

Aunuu ASG

Pago Pago, AS · ~402 people served

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

PWSID

AS9310751

State

American Samoa

City

Pago Pago

Population served

402

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

No PFAS detections are on record for this system from EPA’s UCMR5 monitoring (2023–25). Absence of a detection isn’t a guarantee — not every system was sampled, and this dataset doesn’t cover other contaminants.

Violations & enforcement

200

Violations on record

1

Unaddressed

50

Health-based

243

Enforcement actions

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

Monitoring & reporting · EPA contaminant 3014 began Jun 2025 Unaddressed
Treatment technique · Lead & Copper Rule health-based began Jul 2024 Resolved
Max contaminant level (MCL) · Lead & Copper Rule health-based began Jul 2024 Resolved
Monitoring & reporting · Haloacetic acids (HAA5) began Oct 2023 Resolved
Monitoring & reporting · Total trihalomethanes (TTHM) began Oct 2023 Resolved
Monitoring & reporting · Lead & Copper Rule began Jul 2023 Resolved
Monitoring & reporting · Nitrate began Jan 2023 Resolved
Monitoring & reporting · EPA contaminant 3014 began Sep 2022 Resolved
Other · EPA contaminant 7000 began Jul 2022 Resolved
Max contaminant level (MCL) · Haloacetic acids (HAA5) health-based began Jul 2021 Resolved
Monitoring & reporting · Total trihalomethanes (TTHM) began Jul 2021 Resolved
Max contaminant level (MCL) · Total trihalomethanes (TTHM) health-based began Jul 2021 Resolved

Recent enforcement actions

  • State action · SOX Jun 2025
  • State action · SOX Jun 2025
  • State action · SOX Jun 2025
  • State action · SOX Jun 2025
  • State action · SOX Jun 2025
  • State action · SOX Jun 2025
  • State action · SOX Jun 2025
  • State action · SOX Jun 2025

This profile is built from EPA public records for system AS9310751 — 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.