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Water system · PWSID WA5319550

DOCKTON WATER ASSOCIATION

VASHON, WA · ~992 people served

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

PWSID

WA5319550

State

Washington

City

VASHON

Population served

992

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

28

Violations on record

0

Unaddressed

0

Health-based

25

Enforcement actions

From EPA ECHO (SDWIS), most recent enforcement Oct 2016. Official EPA record →

Other · EPA contaminant 7000 began Jul 2016 Resolved
Monitoring & reporting · Total trihalomethanes (TTHM) began Jan 2015 Resolved
Monitoring & reporting · Haloacetic acids (HAA5) began Jan 2015 Resolved
Monitoring & reporting · Haloacetic acids (HAA5) began Jan 2014 Resolved
Monitoring & reporting · Total trihalomethanes (TTHM) began Jan 2014 Resolved
Other · EPA contaminant 7000 began Jul 2013 Resolved
Monitoring & reporting · EPA contaminant 2969 began Jan 2011 Resolved
Monitoring & reporting · EPA contaminant 2968 began Jan 2011 Resolved
Monitoring & reporting · EPA contaminant 2378 began Jan 2011 Resolved
Monitoring & reporting · EPA contaminant 2980 began Jan 2011 Resolved
Monitoring & reporting · EPA contaminant 2981 began Jan 2011 Resolved
Monitoring & reporting · EPA contaminant 2979 began Jan 2011 Resolved

Recent enforcement actions

  • State action · SOX Oct 2016
  • State action · SOX Aug 2016
  • State action · SOX Aug 2016
  • State action · SOX May 2014
  • State action · SOX Oct 2013
  • State action · SOX Dec 2007
  • State action · SOX Dec 2007
  • State action · SOX Dec 2007

This profile is built from EPA public records for system WA5319550 — 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.