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Water system · PWSID WA5388850

TOPPENISH WATER DEPARTMENT

Toppenish, WA · ~8,950 people served

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

PWSID

WA5388850

State

Washington

City

Toppenish

Population served

8,950

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 Aug 2023). Levels in parts per trillion (ppt).

Lithium

22,600 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 Mar 2015. Official EPA record →

Monitoring & reporting · Nitrate began Jan 2014 Resolved

Recent enforcement actions

  • State action · SOX Mar 2015
  • State action · SFK Mar 1994
  • State action · SIA Sep 1985
  • State action · SIC Sep 1985
  • State action · SIB Sep 1985

This profile is built from EPA public records for system WA5388850 — 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.