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Water system · PWSID OK3004201

MARSHALL

MARSHALL, OK · ~258 people served

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

PWSID

OK3004201

State

Oklahoma

City

MARSHALL

Population served

258

Primary source

GWP

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

13

Violations on record

0

Unaddressed

0

Health-based

44

Enforcement actions

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

Other · EPA contaminant 7000 began Jul 2025 Resolved
Other · EPA contaminant 7000 began Jul 2024 Resolved
Other · EPA contaminant 7000 began Oct 2022 Resolved
Other · EPA contaminant 7000 began Jul 2017 Resolved
Other · EPA contaminant 7000 began Jul 2014 Resolved
Monitoring & reporting · Total coliform began Feb 2010 Resolved
Monitoring & reporting · Total coliform began Jan 2010 Resolved
Other · EPA contaminant 7000 began Jul 2008 Resolved
Other · EPA contaminant 7000 began Jul 2007 Resolved
Monitoring & reporting · Total coliform began Jan 2007 Resolved
Other · EPA contaminant 7000 began Jul 2006 Resolved
Monitoring & reporting · Total coliform began Oct 2005 Resolved

Recent enforcement actions

  • State action · SOX Jun 2025
  • State action · SOX Jun 2025
  • State action · SIA Jul 2024
  • State action · SIA Jan 2023
  • State action · SOX Oct 2022
  • State action · SOX Dec 2017
  • State action · SIA Nov 2017
  • State action · SOX Aug 2016

This profile is built from EPA public records for system OK3004201 — 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.