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Water system · PWSID OK1020801

NORMAN UTILITIES AUTHORITY

NORMAN, OK · ~104,868 people served

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

PWSID

OK1020801

State

Oklahoma

City

NORMAN

Population served

104,868

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

Lithium

11,200 ppt

limit —

No federal limit

PFBA

7.5 ppt

limit —

No federal limit

PFBS

3 ppt

limit —

No federal limit

Violations & enforcement

88

Violations on record

0

Unaddressed

25

Health-based

73

Enforcement actions

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

Treatment technique · EPA contaminant 5200 health-based began Oct 2024 Resolved
Reporting · EPA contaminant 5200 began Oct 2024 Resolved
Monitoring & reporting · EPA contaminant 2039 began Jan 2021 Resolved
Monitoring & reporting · EPA contaminant 3014 began Jan 2015 Resolved
Monitoring & reporting · EPA contaminant 3014 began Jan 2015 Resolved
Monitoring & reporting · EPA contaminant 3014 began Dec 2014 Resolved
Monitoring & reporting · EPA contaminant 3014 began Aug 2014 Resolved
Monitoring & reporting · EPA contaminant 3014 began May 2014 Resolved
Max contaminant level (MCL) · Gross alpha health-based began Apr 2014 Resolved
Max contaminant level (MCL) · Gross alpha health-based began Apr 2014 Resolved
Monitoring & reporting · Total trihalomethanes (TTHM) began Mar 2014 Resolved
Monitoring & reporting · Haloacetic acids (HAA5) began Mar 2014 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 May 2022
  • State action · SOX Jun 2021
  • State action · SIE May 2021
  • State action · SIA May 2021

This profile is built from EPA public records for system OK1020801 — 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.