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Water system · PWSID AS9710855

Masefau ASG

Pago Pago, AS · ~457 people served

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

PWSID

AS9710855

State

American Samoa

City

Pago Pago

Population served

457

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

27

Violations on record

0

Unaddressed

1

Health-based

30

Enforcement actions

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

Monitoring & reporting · EPA contaminant 1094 began Apr 2025 Resolved
Monitoring & reporting · EPA contaminant 1094 began Jan 2025 Resolved
Monitoring & reporting · EPA contaminant 3014 began Dec 2023 Resolved
Other · EPA contaminant 7000 began Jul 2022 Resolved
Other · EPA contaminant 7000 began Jul 2021 Resolved
Other · EPA contaminant 7000 began Jul 2019 Resolved
Other · EPA contaminant 7000 began Jul 2018 Resolved
Monitoring & reporting · Haloacetic acids (HAA5) began Jan 2017 Resolved
Monitoring & reporting · Total trihalomethanes (TTHM) began Jan 2017 Resolved
Monitoring & reporting · Haloacetic acids (HAA5) began Jan 2017 Resolved
Monitoring & reporting · Total trihalomethanes (TTHM) began Jan 2017 Resolved
Monitoring & reporting · Total trihalomethanes (TTHM) began Jan 2016 Resolved

Recent enforcement actions

  • State action · SOX Sep 2025
  • State action · SOX Sep 2025
  • State action · SOX Jun 2025
  • State action · SOX Jun 2025
  • State action · SOX Jun 2025
  • State action · SOX Jun 2025
  • State action · SOX Apr 2024
  • State action · SOX Feb 2024

This profile is built from EPA public records for system AS9710855 — 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.