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Water system · PWSID OK1020903

GUTHRIE

GUTHRIE, OK · ~9,925 people served

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

PWSID

OK1020903

State

Oklahoma

City

GUTHRIE

Population served

9,925

Primary source

Surface water

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 Oct 2025). Levels in parts per trillion (ppt).

Lithium

12,000 ppt

limit —

No federal limit

PFBA

8.4 ppt

limit —

No federal limit

PFPeA

4.8 ppt

limit —

No federal limit

PFHxA

4.4 ppt

limit —

No federal limit

PFBS

3.8 ppt

limit —

No federal limit

Violations & enforcement

20

Violations on record

0

Unaddressed

14

Health-based

49

Enforcement actions

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

Monitoring & reporting · Haloacetic acids (HAA5) began Jul 2025 Resolved
Monitoring & reporting · Total trihalomethanes (TTHM) began Jul 2025 Resolved
Monitoring & reporting · EPA contaminant 1008 began Feb 2025 Resolved
Monitoring & reporting · EPA contaminant 0300 began Feb 2025 Resolved
Max contaminant level (MCL) · EPA contaminant 1009 health-based began Jul 2021 Resolved
Treatment technique · Bromate health-based began Apr 2021 Resolved
Treatment technique · Bromate health-based began Jan 2021 Resolved
Treatment technique · Bromate health-based began Oct 2007 Resolved
Monitoring & reporting · Arsenic began Jan 2007 Resolved
Treatment technique · Bromate health-based began Jul 2005 Resolved
Treatment technique · Bromate health-based began Apr 2005 Resolved
Monitoring & reporting · EPA contaminant 1009 began Feb 2005 Resolved

Recent enforcement actions

  • State action · SOX Nov 2025
  • State action · SIE Sep 2025
  • State action · SIA Sep 2025
  • State action · SOX May 2025
  • State action · SOX May 2025
  • State action · SIE May 2025
  • State action · SIA May 2025
  • State action · SIF Jul 2022

This profile is built from EPA public records for system OK1020903 — 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.