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Water system · PWSID WA5394900

WEST RICHLAND CITY OF

West Richland, WA · ~21,231 people served

Check your exact address → West Richland overview
100
Excellent
PurityRadar safety score

PWSID

WA5394900

State

Washington

City

West Richland

Population served

21,231

Primary source

SWP

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 Jun 2024). Levels in parts per trillion (ppt).

Lithium

19,200 ppt

limit —

No federal limit

Violations & enforcement

12

Violations on record

0

Unaddressed

0

Health-based

16

Enforcement actions

From EPA ECHO (SDWIS), most recent enforcement Mar 2022. Official EPA record →

Monitoring & reporting · Nitrate began Jan 2021 Resolved
Monitoring & reporting · Haloacetic acids (HAA5) began Jan 2020 Resolved
Monitoring & reporting · Total trihalomethanes (TTHM) began Jan 2020 Resolved
Other · EPA contaminant 7000 began Jul 2015 Resolved
Monitoring & reporting · EPA contaminant 2326 began Jul 2008 Resolved
Monitoring & reporting · EPA contaminant 2110 began Jul 2008 Resolved
Monitoring & reporting · EPA contaminant 2031 began Jul 2008 Resolved
Monitoring & reporting · EPA contaminant 2040 began Jul 2008 Resolved
Monitoring & reporting · EPA contaminant 2041 began Jul 2008 Resolved
Monitoring & reporting · EPA contaminant 2032 began Jan 2005 Resolved
Monitoring & reporting · EPA contaminant 2032 began Jan 2005 Resolved
Monitoring & reporting · EPA contaminant 2032 began Jan 2005 Resolved

Recent enforcement actions

  • State action · SOX Mar 2022
  • State action · SOX May 2020
  • State action · SOX May 2020
  • State action · SOX Sep 2015
  • State action · SOX Nov 2008
  • State action · SOX Nov 2008
  • State action · SOX Nov 2008
  • State action · SOX Nov 2008

This profile is built from EPA public records for system WA5394900 — 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.