Plymouth Water District

West Richland, WA · ~288 people served

Check your exact address → West Richland overview

100

Excellent

PurityRadar safety score

PWSID

WA5368045

State

Washington

City

West Richland

Population served

288

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

155

Violations on record

Unaddressed

Health-based

Enforcement actions

From EPA ECHO (SDWIS), most recent enforcement Sep 2025. Official EPA record →

Other · EPA contaminant 7000 began Jul 2023 Resolved

Monitoring & reporting · Fluoride began Jan 2023 Resolved

Monitoring & reporting · EPA contaminant 2982 began Oct 2022 Resolved

Monitoring & reporting · EPA contaminant 2979 began Oct 2022 Resolved

Monitoring & reporting · EPA contaminant 2981 began Oct 2022 Resolved

Monitoring & reporting · EPA contaminant 2378 began Oct 2022 Resolved

Monitoring & reporting · EPA contaminant 2964 began Oct 2022 Resolved

Monitoring & reporting · EPA contaminant 2968 began Oct 2022 Resolved

Monitoring & reporting · EPA contaminant 2976 began Oct 2022 Resolved

Monitoring & reporting · EPA contaminant 2977 began Oct 2022 Resolved

Monitoring & reporting · EPA contaminant 2380 began Oct 2022 Resolved

Monitoring & reporting · EPA contaminant 2969 began Oct 2022 Resolved

Recent enforcement actions

State action · SOX Sep 2025
State action · SOX Mar 2024
State action · SOX Oct 2023
State action · SOX May 2021
State action · SOX Apr 2020
State action · SOX Jul 2019
State action · SOX Apr 2018
State action · SOX Oct 2017

This profile is built from EPA public records for system WA5368045 — 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.