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Water system · PWSID AK2240464

NANWALEK

NANWALEK, AK · ~281 people served

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

PWSID

AK2240464

State

Alaska

City

NANWALEK

Population served

281

Primary source

Surface water

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

640

Violations on record

3

Unaddressed

25

Health-based

299

Enforcement actions

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

Monitoring & reporting · Lead & Copper Rule began Apr 2025 Unaddressed
Other · EPA contaminant 7500 began Feb 2025 Unaddressed
Monitoring & reporting · Lead & Copper Rule began Jan 2025 Unaddressed
Monitoring & reporting · EPA contaminant 0300 began Dec 2024 Resolved
Monitoring & reporting · EPA contaminant 0300 began Nov 2024 Resolved
Monitoring & reporting · EPA contaminant 0300 began Oct 2024 Resolved
Other · EPA contaminant 7000 began Oct 2024 Resolved
Monitoring & reporting · EPA contaminant 0300 began Sep 2024 Resolved
Other · EPA contaminant 7000 began Jul 2024 Resolved
Monitoring & reporting · EPA contaminant 0300 began Jun 2024 Resolved
Monitoring & reporting · EPA contaminant 0300 began May 2024 Resolved
Monitoring & reporting · EPA contaminant 0200 began Mar 2024 Resolved

Recent enforcement actions

  • State action · SIB Jul 2025
  • State action · SOX Jun 2025
  • State action · SOX Jun 2025
  • State action · SIB Jun 2025
  • State action · SIE Feb 2025
  • State action · SFH Feb 2025
  • State action · SOX Feb 2025
  • State action · SOX Aug 2024

This profile is built from EPA public records for system AK2240464 — 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.