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Water system · PWSID OK2000909

PIEDMONT MUNICIPAL AUTHORITY

PIEDMONT, OK · ~7,542 people served

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

PWSID

OK2000909

State

Oklahoma

City

PIEDMONT

Population served

7,542

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 Oct 2023). Levels in parts per trillion (ppt).

Lithium

36,200 ppt

limit —

No federal limit

PFBA

5 ppt

limit —

No federal limit

PFHxA

3.3 ppt

limit —

No federal limit

PFPeA

3 ppt

limit —

No federal limit

Violations & enforcement

92

Violations on record

0

Unaddressed

29

Health-based

208

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
Monitoring · Lead & Copper Rule began Aug 2024 Resolved
Monitoring & reporting · EPA contaminant 0999 began Aug 2024 Resolved
Monitoring & reporting · EPA contaminant 2034 began Jan 2024 Resolved
Monitoring & reporting · EPA contaminant 2034 began Jan 2024 Resolved
Monitoring & reporting · EPA contaminant 2037 began Jan 2024 Resolved
Monitoring & reporting · Chlorite began Jan 2024 Resolved
Max contaminant level (MCL) · Gross alpha health-based began Jan 2024 Resolved
Monitoring & reporting · EPA contaminant 2037 began Jan 2024 Resolved
Monitoring & reporting · Chlorite began Jan 2024 Resolved
Monitoring · Lead & Copper Rule began Dec 2023 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 · SOX Jul 2025
  • State action · SIF May 2025
  • State action · SIF May 2025
  • State action · SIF May 2025

This profile is built from EPA public records for system OK2000909 — 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.