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Water system · PWSID WA5343290

LISECC

Lummi Island, WA · ~357 people served

Check your exact address → Lummi Island overview
100
Excellent
PurityRadar safety score

PWSID

WA5343290

State

Washington

City

Lummi Island

Population served

357

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

15

Violations on record

0

Unaddressed

14

Health-based

21

Enforcement actions

From EPA ECHO (SDWIS), most recent enforcement Jan 2026. Official EPA record →

Treatment technique · EPA contaminant 0300 health-based began Dec 2025 Resolved
Treatment technique · EPA contaminant 0300 health-based began Nov 2025 Resolved
Monitoring & reporting · EPA contaminant 0200 began Jul 2025 Resolved
Treatment technique · EPA contaminant 0300 health-based began Nov 2021 Resolved
Treatment technique · EPA contaminant 0300 health-based began May 2021 Resolved
Treatment technique · EPA contaminant 0200 health-based began Apr 2021 Addressed
Treatment technique · EPA contaminant 0300 health-based began Dec 2020 Resolved
Treatment technique · EPA contaminant 0300 health-based began Nov 2020 Resolved
Treatment technique · EPA contaminant 0300 health-based began May 2020 Resolved
Treatment technique · EPA contaminant 0300 health-based began Apr 2020 Resolved
Treatment technique · EPA contaminant 0300 health-based began Apr 2020 Resolved
Treatment technique · EPA contaminant 0200 health-based began Nov 2019 Resolved

Recent enforcement actions

  • State action · SOX Jan 2026
  • State action · SIA Nov 2025
  • State action · SOX Aug 2025
  • State action · SIA Mar 2022
  • State action · SOX Mar 2022
  • State action · SOX Sep 2021
  • State action · SIA Sep 2021
  • State action · SIA Feb 2021

This profile is built from EPA public records for system WA5343290 — 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.