GOSS LAKE PARK COMMUNITY

Coupeville, WA · ~285 people served

Check your exact address → Coupeville overview

100

Excellent

PurityRadar safety score

PWSID

WA5328575

State

Washington

City

Coupeville

Population served

285

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

Violations on record

Unaddressed

Health-based

Enforcement actions

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

Other · EPA contaminant 7000 began Jul 2025 Resolved

Monitoring & reporting · Nitrate began Jan 2022 Resolved

Max contaminant level (MCL) · Arsenic health-based began Jul 2020 Resolved

Max contaminant level (MCL) · Arsenic health-based began Apr 2020 Resolved

Max contaminant level (MCL) · Arsenic health-based began Jan 2020 Resolved

Monitoring & reporting · EPA contaminant 2032 began Apr 2007 Resolved

Monitoring & reporting · EPA contaminant 2946 began Jan 2007 Resolved

Monitoring & reporting · EPA contaminant 2032 began Jan 2007 Resolved

Monitoring & reporting · Arsenic began Jan 2007 Resolved

Monitoring & reporting · EPA contaminant 2931 began Jan 2007 Resolved

Monitoring & reporting · EPA contaminant 2946 began Oct 2006 Resolved

Recent enforcement actions

State action · SOX Sep 2025
State action · SOX Mar 2023
State action · SOX Mar 2023
State action · SOX Dec 2020
State action · SIA Apr 2020
State action · SOX Aug 2011
State action · SOX Jan 2008
State action · SOX Jan 2008

This profile is built from EPA public records for system WA5328575 — 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.