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Water system · PWSID 105388889

MT. VISTA - DUNGENESS GOLF COURSE

SEQUIM, WA · ~517 people served

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

PWSID

105388889

State

Washington

City

SEQUIM

Population served

517

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

25

Violations on record

0

Unaddressed

0

Health-based

4

Enforcement actions

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

Monitoring & reporting · Lead & Copper Rule began Apr 2025 Resolved
Monitoring & reporting · Lead & Copper Rule began Jul 2023 Resolved
Monitoring & reporting · EPA contaminant 2981 began Jan 2017 Resolved
Monitoring & reporting · EPA contaminant 2983 began Jan 2017 Resolved
Monitoring & reporting · EPA contaminant 2984 began Jan 2017 Resolved
Monitoring & reporting · EPA contaminant 2985 began Jan 2017 Resolved
Monitoring & reporting · EPA contaminant 2989 began Jan 2017 Resolved
Monitoring & reporting · EPA contaminant 2987 began Jan 2017 Resolved
Monitoring & reporting · EPA contaminant 2990 began Jan 2017 Resolved
Monitoring & reporting · EPA contaminant 2991 began Jan 2017 Resolved
Monitoring & reporting · EPA contaminant 2380 began Jan 2017 Resolved
Monitoring & reporting · EPA contaminant 2982 began Jan 2017 Resolved

Recent enforcement actions

  • EPA/federal action · EOX Apr 2025
  • EPA/federal action · EOX Nov 2023
  • EPA/federal action · EOX Jun 2020
  • EPA/federal action · EOX Feb 2019

This profile is built from EPA public records for system 105388889 — 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.