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Water system · PWSID OR4100537

MONMOUTH, CITY OF

MONMOUTH, OR · ~11,651 people served

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

PWSID

OR4100537

State

Oregon

City

MONMOUTH

Population served

11,651

Primary source

GU

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

21

Violations on record

0

Unaddressed

4

Health-based

27

Enforcement actions

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

Monitoring & reporting · Haloacetic acids (HAA5) began Jan 2023 Resolved
Monitoring & reporting · Total trihalomethanes (TTHM) began Jan 2023 Resolved
Monitoring · Lead & Copper Rule began Aug 2021 Resolved
Monitoring & reporting · EPA contaminant 0200 began Aug 2021 Resolved
Monitoring & reporting · EPA contaminant 0200 began Aug 2021 Resolved
Monitoring & reporting · Lead & Copper Rule began Jul 2021 Resolved
Monitoring & reporting · EPA contaminant 0200 began Apr 2020 Resolved
Monitoring & reporting · EPA contaminant 0200 began Apr 2020 Resolved
Monitoring & reporting · Lead & Copper Rule began Jan 2020 Resolved
Treatment technique · EPA contaminant 0200 health-based began Nov 2015 Resolved
Monitoring & reporting · EPA contaminant 0700 began Feb 2014 Resolved
Monitoring & reporting · Haloacetic acids (HAA5) began Jan 2014 Resolved

Recent enforcement actions

  • State action · SOX Jun 2023
  • State action · SOX Oct 2021
  • State action · SOX Oct 2021
  • State action · SOX Sep 2021
  • State action · SOX Jun 2020
  • State action · SOX Jun 2020
  • State action · SOX Feb 2019
  • State action · SIF Apr 2018

This profile is built from EPA public records for system OR4100537 — 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.