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Water system · PWSID WA5336314

WHIDBEY WEST WATER ASSOC.

Coupeville, WA · ~415 people served

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

PWSID

WA5336314

State

Washington

City

Coupeville

Population served

415

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

24

Violations on record

1

Unaddressed

10

Health-based

55

Enforcement actions

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

Monitoring & reporting · Lead & Copper Rule began Jan 2023 Unaddressed
Other · EPA contaminant 7000 began Jul 2024 Resolved
Monitoring & reporting · Total trihalomethanes (TTHM) began Apr 2024 Resolved
Monitoring & reporting · Haloacetic acids (HAA5) began Apr 2024 Resolved
Monitoring & reporting · Nitrate began Jan 2022 Resolved
Max contaminant level (MCL) · Total trihalomethanes (TTHM) health-based began Oct 2021 Resolved
Max contaminant level (MCL) · Haloacetic acids (HAA5) health-based began Oct 2021 Resolved
Max contaminant level (MCL) · Total trihalomethanes (TTHM) health-based began Jul 2021 Resolved
Max contaminant level (MCL) · Haloacetic acids (HAA5) health-based began Jan 2021 Resolved
Max contaminant level (MCL) · Haloacetic acids (HAA5) health-based began Jul 2020 Resolved
Max contaminant level (MCL) · Total trihalomethanes (TTHM) health-based began Jul 2020 Resolved
Max contaminant level (MCL) · Total trihalomethanes (TTHM) health-based began Apr 2020 Resolved

Recent enforcement actions

  • State action · SOX Jul 2025
  • State action · SOX Aug 2024
  • State action · SOX Aug 2024
  • State action · SOX Sep 2023
  • State action · SOX Sep 2022
  • State action · SOX Mar 2022
  • State action · SOX Mar 2022
  • State action · SOX Dec 2021

This profile is built from EPA public records for system WA5336314 — 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.