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Water system · PWSID WA5392850

WARDEN CITY OF

Warden, WA · ~4,674 people served

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

PWSID

WA5392850

State

Washington

City

Warden

Population served

4,674

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).

Lithium

9,300 ppt

limit —

No federal limit

Violations & enforcement

73

Violations on record

0

Unaddressed

1

Health-based

36

Enforcement actions

From EPA ECHO (SDWIS), most recent enforcement Jan 2023. Official EPA record →

Max contaminant level (MCL) · Nitrate health-based began Jan 2020 Resolved
Monitoring & reporting · EPA contaminant 2931 began Jan 2020 Resolved
Monitoring & reporting · EPA contaminant 2946 began Jan 2020 Resolved
Monitoring & reporting · Selenium began Jan 2017 Resolved
Monitoring & reporting · Cyanide began Jan 2017 Resolved
Monitoring & reporting · Fluoride began Jan 2017 Resolved
Monitoring & reporting · Barium began Jan 2017 Resolved
Monitoring & reporting · Cadmium began Jan 2017 Resolved
Monitoring & reporting · EPA contaminant 2946 began Jan 2017 Resolved
Monitoring & reporting · Arsenic began Jan 2017 Resolved
Monitoring & reporting · Chromium (total) began Jan 2017 Resolved
Monitoring & reporting · EPA contaminant 2931 began Jan 2017 Resolved

Recent enforcement actions

  • State action · SOX Jan 2023
  • State action · SOX Oct 2021
  • State action · SOX Jul 2021
  • State action · SOX Jan 2021
  • State action · SOX Oct 2016
  • State action · SOX Sep 2013
  • State action · SOX Apr 2010
  • State action · SOX Feb 2010

This profile is built from EPA public records for system WA5392850 — 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.