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Water system · PWSID WA5303350

Auburn City of

Auburn, WA · ~107,655 people served

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

PWSID

WA5303350

State

Washington

City

Auburn

Population served

107,655

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

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

PFBS

4.1 ppt

limit —

No federal limit

Violations & enforcement

20

Violations on record

0

Unaddressed

0

Health-based

8

Enforcement actions

From EPA ECHO (SDWIS), most recent enforcement Apr 2005. Official EPA record →

Monitoring & reporting · EPA contaminant 2378 began Jan 2005 Resolved
Monitoring & reporting · EPA contaminant 2380 began Jan 2005 Resolved
Monitoring & reporting · EPA contaminant 2964 began Jan 2005 Resolved
Monitoring & reporting · EPA contaminant 2968 began Jan 2005 Resolved
Monitoring & reporting · EPA contaminant 2969 began Jan 2005 Resolved
Monitoring & reporting · EPA contaminant 2976 began Jan 2005 Resolved
Monitoring & reporting · EPA contaminant 2977 began Jan 2005 Resolved
Monitoring & reporting · EPA contaminant 2979 began Jan 2005 Resolved
Monitoring & reporting · EPA contaminant 2980 began Jan 2005 Resolved
Monitoring & reporting · EPA contaminant 2981 began Jan 2005 Resolved
Monitoring & reporting · EPA contaminant 2982 began Jan 2005 Resolved
Monitoring & reporting · EPA contaminant 2983 began Jan 2005 Resolved

Recent enforcement actions

  • EPA/federal action · EOX Apr 2005
  • State action · SOX Apr 2005
  • State action · SOX Apr 2005
  • State action · SOX Apr 2005
  • State action · SOX Apr 2005
  • State action · SOX Apr 2005
  • State action · SOX Apr 2005
  • State action · SFK Sep 1996

This profile is built from EPA public records for system WA5303350 — 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.