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Water system · PWSID OK2000910

YUKON

YUKON, OK · ~22,498 people served

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

PWSID

OK2000910

State

Oklahoma

City

YUKON

Population served

22,498

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

Latest detections from EPA’s UCMR5 monitoring (through Apr 2025). Levels in parts per trillion (ppt).

Lithium

9,700 ppt

limit —

No federal limit

Violations & enforcement

12

Violations on record

0

Unaddressed

7

Health-based

32

Enforcement actions

From EPA ECHO (SDWIS), most recent enforcement Aug 2016. Official EPA record →

Max contaminant level (MCL) · Arsenic health-based began Jan 2013 Resolved
Max contaminant level (MCL) · Arsenic health-based began Oct 2012 Resolved
Max contaminant level (MCL) · Arsenic health-based began Jul 2012 Resolved
Monitoring & reporting · Arsenic began Oct 2011 Resolved
Monitoring & reporting · Total coliform began Jan 2010 Resolved
Max contaminant level (MCL) · Total coliform health-based began Mar 2008 Resolved
Max contaminant level (MCL) · Total coliform health-based began Aug 2006 Resolved
Monitoring & reporting · Haloacetic acids (HAA5) began Jan 2004 Resolved
Monitoring & reporting · Total trihalomethanes (TTHM) began Jan 2004 Resolved
Max contaminant level (MCL) · Total coliform health-based began Apr 1993 Resolved
Max contaminant level (MCL) · Total coliform health-based began Jan 1993 Resolved
Monitoring & reporting · Lead & Copper Rule began Jul 1992 Resolved

Recent enforcement actions

  • State action · SOX Aug 2016
  • State action · SOX Aug 2016
  • State action · SOX Aug 2016
  • State action · SOX Aug 2016
  • State action · SOX Aug 2016
  • State action · SOX Oct 2013
  • State action · SIF Jun 2013
  • State action · SIE Apr 2013

This profile is built from EPA public records for system OK2000910 — 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.