Home/ Directory/ OK/ TAHLEQUAH PWA

Water system · PWSID OK1021701

TAHLEQUAH PWA

TAHLEQUAH, OK · ~14,458 people served

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

PWSID

OK1021701

State

Oklahoma

City

TAHLEQUAH

Population served

14,458

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

PFPeA

4.4 ppt

limit —

No federal limit

PFHxA

4.2 ppt

limit —

No federal limit

PFBS

3.7 ppt

limit —

No federal limit

Violations & enforcement

22

Violations on record

0

Unaddressed

17

Health-based

78

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 & reporting · EPA contaminant 1094 began Jan 2023 Resolved
Max contaminant level (MCL) · Haloacetic acids (HAA5) health-based began Oct 2022 Resolved
Monitoring & reporting · Haloacetic acids (HAA5) began Jun 2022 Resolved
Max contaminant level (MCL) · Haloacetic acids (HAA5) health-based began Apr 2022 Resolved
Treatment technique · EPA contaminant 0800 health-based began Oct 2019 Resolved
Monitoring & reporting · EPA contaminant 0800 began Aug 2019 Resolved
Max contaminant level (MCL) · Haloacetic acids (HAA5) health-based began Jul 2019 Resolved
Max contaminant level (MCL) · Haloacetic acids (HAA5) health-based began Apr 2019 Resolved
Max contaminant level (MCL) · Total trihalomethanes (TTHM) health-based began Jul 2017 Resolved
Max contaminant level (MCL) · Haloacetic acids (HAA5) health-based began Jul 2017 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 Jul 2024
  • State action · SOX May 2024
  • State action · SIA Feb 2024
  • State action · SIE Feb 2024

This profile is built from EPA public records for system OK1021701 — 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.