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Water system · PWSID OK3006804

SEQUOYAH CO. RWD #3

SALLISAW, OK · ~1,040 people served

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

PWSID

OK3006804

State

Oklahoma

City

SALLISAW

Population served

1,040

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

No PFAS detections are on record for this system from EPA’s UCMR5 monitoring (2023–25). Absence of a detection isn’t a guarantee — not every system was sampled, and this dataset doesn’t cover other contaminants.

Violations & enforcement

18

Violations on record

4

Unaddressed

5

Health-based

39

Enforcement actions

From EPA ECHO (SDWIS), most recent enforcement Mar 2026. Official EPA record →

Monitoring & reporting · Lead & Copper Rule began Jul 2025 Unaddressed
Monitoring & reporting · Lead & Copper Rule began Jan 2025 Unaddressed
Monitoring & reporting · Lead & Copper Rule began Jul 2024 Unaddressed
Monitoring & reporting · Lead & Copper Rule began Oct 2023 Unaddressed
Reporting · EPA contaminant 5200 began Oct 2024 Addressed
Treatment technique · EPA contaminant 5200 health-based began Oct 2024 Addressed
Max contaminant level (MCL) · Total trihalomethanes (TTHM) health-based began Apr 2018 Resolved
Max contaminant level (MCL) · Total trihalomethanes (TTHM) health-based began Jan 2018 Resolved
Max contaminant level (MCL) · Total trihalomethanes (TTHM) health-based began Oct 2017 Resolved
Max contaminant level (MCL) · Total trihalomethanes (TTHM) health-based began Jul 2017 Resolved
Monitoring & reporting · Total coliform began May 2009 Resolved
Monitoring & reporting · Total coliform began Dec 1995 Resolved

Recent enforcement actions

  • EPA/federal action · EFL Mar 2026
  • State action · SIA Aug 2025
  • State action · SIE Aug 2025
  • State action · SIA Jul 2025
  • State action · SIA Jul 2025
  • State action · SIF Apr 2025
  • State action · SIF Apr 2025
  • State action · SIE Mar 2025

This profile is built from EPA public records for system OK3006804 — 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.