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Water system · PWSID WA5365800

PALOUSE WATER DEPT CITY OF

Palouse, WA · ~1,298 people served

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

PWSID

WA5365800

State

Washington

City

Palouse

Population served

1,298

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

No PFAS detections are on record for this system from EPA’s UCMR5 monitoring (2023–25). Absence of a detection isn’t a guarantee — not every system was sampled, and this dataset doesn’t cover other contaminants.

Violations & enforcement

26

Violations on record

0

Unaddressed

0

Health-based

7

Enforcement actions

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

Monitoring & reporting · Haloacetic acids (HAA5) began Jan 2022 Resolved
Monitoring & reporting · Total trihalomethanes (TTHM) began Jan 2022 Resolved
Monitoring & reporting · Arsenic began Jan 2020 Resolved
Monitoring & reporting · Haloacetic acids (HAA5) began Jan 2018 Resolved
Monitoring & reporting · Total trihalomethanes (TTHM) began Jan 2018 Resolved
Monitoring & reporting · EPA contaminant 2976 began Jan 2008 Resolved
Monitoring & reporting · EPA contaminant 2969 began Jan 2008 Resolved
Monitoring & reporting · EPA contaminant 2380 began Jan 2008 Resolved
Monitoring & reporting · EPA contaminant 2981 began Jan 2008 Resolved
Monitoring & reporting · EPA contaminant 2980 began Jan 2008 Resolved
Monitoring & reporting · EPA contaminant 2982 began Jan 2008 Resolved
Monitoring & reporting · EPA contaminant 2968 began Jan 2008 Resolved

Recent enforcement actions

  • State action · SOX Oct 2023
  • State action · SOX Oct 2023
  • State action · SOX Mar 2023
  • State action · SOX Aug 2019
  • State action · SOX Aug 2019
  • State action · SOX Sep 2011
  • EPA/federal action · EOX Dec 1999

This profile is built from EPA public records for system WA5365800 — 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.