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Water system · PWSID WA5370550

QUISTORFF

Tacoma, WA · ~1,113 people served

Check your exact address → Tacoma overview
34
Action needed
PurityRadar safety score

PWSID

WA5370550

State

Washington

City

Tacoma

Population served

1,113

Primary source

Groundwater

Score history

▼ 66 points — the score moved from 100 to 34 on Jun 18, 2026, as newly published EPA data was incorporated.

Jun 18, 2026 · score 100 Jun 18, 2026 · score 34

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 Jul 2025). Levels in parts per trillion (ppt).

PFHxS

Perfluorohexanesulfonic acid

44 ppt

limit 10 ppt

Above EPA limit · 4.4×

PFOS

Perfluorooctanesulfonic acid

12 ppt

limit 4 ppt

Above EPA limit · 3.0×

PFBS

32 ppt

limit —

No federal limit

PFPeS

19 ppt

limit —

No federal limit

PFHxA

17 ppt

limit —

No federal limit

PFPeA

16 ppt

limit —

No federal limit

PFBA

6.7 ppt

limit —

No federal limit

Violations & enforcement

1

Violations on record

0

Unaddressed

0

Health-based

5

Enforcement actions

From EPA ECHO (SDWIS), most recent enforcement Jan 2008. Official EPA record →

Monitoring & reporting · EPA contaminant 2032 began Jan 2005 Resolved

Recent enforcement actions

  • State action · SOX Jan 2008
  • State action · SOX Jan 2008
  • State action · SOX Jan 2008
  • State action · SOX Jan 2008
  • State action · SOX Jan 2008

This profile is built from EPA public records for system WA5370550 — 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.