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Water system · PWSID OK3003908

LATIMER CO. RWD #3

WISTER, OK · ~175 people served

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

PWSID

OK3003908

State

Oklahoma

City

WISTER

Population served

175

Primary source

SWP

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

143

Violations on record

5

Unaddressed

5

Health-based

221

Enforcement actions

From EPA ECHO (SDWIS), most recent enforcement Mar 2026. Official EPA record →

Monitoring & reporting · Total trihalomethanes (TTHM) began Sep 2025 Unaddressed
Other · EPA contaminant 7000 began Jul 2025 Unaddressed
Monitoring & reporting · Lead & Copper Rule began Jul 2025 Unaddressed
Monitoring & reporting · Total trihalomethanes (TTHM) began Jun 2025 Unaddressed
Monitoring & reporting · Total trihalomethanes (TTHM) began Apr 2025 Unaddressed
Monitoring & reporting · EPA contaminant 0999 began Jun 2025 Resolved
Monitoring · Lead & Copper Rule began Jun 2025 Resolved
Monitoring · Lead & Copper Rule began Mar 2025 Resolved
Monitoring & reporting · EPA contaminant 0999 began Mar 2025 Resolved
Other · EPA contaminant 7500 began Nov 2024 Addressed
Other · EPA contaminant 7500 began Oct 2024 Addressed
Treatment technique · EPA contaminant 5200 health-based began Oct 2024 Addressed

Recent enforcement actions

  • EPA/federal action · EFL Mar 2026
  • State action · SIA Nov 2025
  • State action · SOX Sep 2025
  • State action · SOX Sep 2025
  • State action · SIA Aug 2025
  • State action · SIE Aug 2025
  • State action · SIA Jul 2025
  • State action · SIA Jul 2025

This profile is built from EPA public records for system OK3003908 — 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.