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Water system · PWSID WA5386800

TACOMA WATER DIVISION CITY OF

TACOMA, WA · ~446,170 people served

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

PWSID

WA5386800

State

Washington

City

TACOMA

Population served

446,170

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

Latest detections from EPA’s UCMR5 monitoring (through Oct 2025). Levels in parts per trillion (ppt).

PFHxS

Perfluorohexanesulfonic acid

5.1 ppt

limit 10 ppt

Near EPA limit

PFBS

3.3 ppt

limit —

No federal limit

Violations & enforcement

12

Violations on record

0

Unaddressed

9

Health-based

16

Enforcement actions

From EPA ECHO (SDWIS), most recent enforcement Sep 2015. Official EPA record →

Other · EPA contaminant 7000 began Jul 2015 Resolved
Treatment technique · EPA contaminant 0200 health-based began Nov 2014 Resolved
Treatment technique · EPA contaminant 0200 health-based began Nov 2014 Resolved
Treatment technique · EPA contaminant 0200 health-based began Oct 2014 Resolved
Treatment technique · EPA contaminant 0200 health-based began Sep 2014 Resolved
Treatment technique · EPA contaminant 0200 health-based began Aug 2014 Resolved
Treatment technique · EPA contaminant 0200 health-based began Jul 2014 Resolved
Other · EPA contaminant 7000 began Jul 2014 Resolved
Treatment technique · EPA contaminant 0200 health-based began Jun 2014 Resolved
Treatment technique · EPA contaminant 0200 health-based began May 2014 Resolved
Treatment technique · EPA contaminant 0200 health-based began Apr 2014 Resolved
Other · EPA contaminant 7000 began Jul 2010 Resolved

Recent enforcement actions

  • State action · SOX Sep 2015
  • State action · SIA Nov 2014
  • State action · SOX Nov 2014
  • State action · SOX Sep 2014
  • EPA/federal action · EOX Mar 2014
  • State action · SOX Mar 2014
  • State action · SFL Mar 2014
  • State action · SOX Sep 2010

This profile is built from EPA public records for system WA5386800 — 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.