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Water system · PWSID OK2004207

LOGAN CO RWD #1

GUTHRIE, OK · ~8,907 people served

Check your exact address → GUTHRIE overview
90
Excellent
PurityRadar safety score

PWSID

OK2004207

State

Oklahoma

City

GUTHRIE

Population served

8,907

Primary source

SWP

Score history

▼ 10 points — the score moved from 100 to 90 on Jun 18, 2026, as newly published EPA data was incorporated.

Jun 18, 2026 · score 100 Jun 18, 2026 · score 90

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

PFOA

Perfluorooctanoic acid

4.3 ppt

limit 4 ppt

Above EPA limit · 1.1×

Lithium

17,100 ppt

limit —

No federal limit

PFBA

8.8 ppt

limit —

No federal limit

PFPeA

8 ppt

limit —

No federal limit

PFHxA

6.4 ppt

limit —

No federal limit

PFBS

4.5 ppt

limit —

No federal limit

Violations & enforcement

72

Violations on record

0

Unaddressed

28

Health-based

48

Enforcement actions

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

Reporting · EPA contaminant 5200 began Oct 2024 Resolved
Treatment technique · EPA contaminant 5200 health-based began Oct 2024 Resolved
Max contaminant level (MCL) · Combined radium-226/228 health-based began Jul 2012 Resolved
Max contaminant level (MCL) · Combined radium-226/228 health-based began Jul 2012 Resolved
Max contaminant level (MCL) · Combined radium-226/228 health-based began Apr 2012 Resolved
Monitoring & reporting · EPA contaminant 2380 began Jan 2012 Resolved
Monitoring & reporting · EPA contaminant 2976 began Jan 2012 Resolved
Monitoring & reporting · EPA contaminant 2980 began Jan 2012 Resolved
Monitoring & reporting · EPA contaminant 2964 began Jan 2012 Resolved
Monitoring & reporting · EPA contaminant 2968 began Jan 2012 Resolved
Monitoring & reporting · EPA contaminant 2955 began Jan 2012 Resolved
Monitoring & reporting · EPA contaminant 2977 began Jan 2012 Resolved

Recent enforcement actions

  • State action · SOX Jul 2025
  • State action · SOX Jul 2025
  • State action · SIA Jul 2025
  • State action · SIA Jul 2025
  • State action · SIF Jun 2025
  • State action · SOX Mar 2025
  • State action · SIE Mar 2025
  • State action · SIA Mar 2025

This profile is built from EPA public records for system OK2004207 — 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.