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Water system · PWSID OK1021509

COWETA PWA

COWETA, OK · ~9,450 people served

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

PWSID

OK1021509

State

Oklahoma

City

COWETA

Population served

9,450

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 2024). Levels in parts per trillion (ppt).

PFHxS

Perfluorohexanesulfonic acid

4 ppt

limit 10 ppt

Below EPA limit

PFBA

6.9 ppt

limit —

No federal limit

PFHxA

4.2 ppt

limit —

No federal limit

PFPeA

3 ppt

limit —

No federal limit

Violations & enforcement

164

Violations on record

1

Unaddressed

105

Health-based

324

Enforcement actions

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

Monitoring & reporting · Lead & Copper Rule began Oct 2025 Unaddressed
Monitoring & reporting · Total trihalomethanes (TTHM) began Jun 2025 Resolved
Monitoring & reporting · Haloacetic acids (HAA5) began Jun 2025 Resolved
Monitoring & reporting · Total trihalomethanes (TTHM) began Dec 2024 Resolved
Monitoring & reporting · Haloacetic acids (HAA5) began Dec 2024 Resolved
Reporting · EPA contaminant 5200 began Oct 2024 Resolved
Treatment technique · EPA contaminant 5200 health-based began Oct 2024 Resolved
Other · EPA contaminant 7000 began Jul 2024 Resolved
Monitoring & reporting · Total trihalomethanes (TTHM) began Mar 2024 Resolved
Monitoring & reporting · EPA contaminant 0300 began Mar 2024 Resolved
Monitoring & reporting · EPA contaminant 2034 began Jan 2024 Resolved
Monitoring & reporting · Haloacetic acids (HAA5) began Dec 2023 Resolved

Recent enforcement actions

  • State action · SIE Nov 2025
  • State action · SIA Nov 2025
  • State action · SOX Nov 2025
  • State action · SOX Nov 2025
  • State action · SOX Aug 2025
  • State action · SOX Aug 2025
  • State action · SIA Jul 2025
  • State action · SIA Jul 2025

This profile is built from EPA public records for system OK1021509 — 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.