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Water system · PWSID OK3004820

MCCURTAIN CO. RWD #9

VALLIANT, OK · ~999 people served

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

PWSID

OK3004820

State

Oklahoma

City

VALLIANT

Population served

999

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

34

Violations on record

1

Unaddressed

21

Health-based

43

Enforcement actions

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

Other · EPA contaminant 7000 began Jul 2025 Unaddressed
Reporting · EPA contaminant 5200 began Oct 2024 Addressed
Treatment technique · EPA contaminant 5200 health-based began Oct 2024 Addressed
Other · EPA contaminant 7000 began Jul 2024 Resolved
Max contaminant level (MCL) · Haloacetic acids (HAA5) health-based began Apr 2021 Resolved
Max contaminant level (MCL) · Total trihalomethanes (TTHM) health-based began Apr 2021 Resolved
Max contaminant level (MCL) · Total trihalomethanes (TTHM) health-based began Apr 2021 Resolved
Monitoring & reporting · Haloacetic acids (HAA5) began Apr 2021 Resolved
Monitoring & reporting · Total trihalomethanes (TTHM) began Apr 2021 Resolved
Max contaminant level (MCL) · Haloacetic acids (HAA5) health-based began Apr 2021 Resolved
Max contaminant level (MCL) · Haloacetic acids (HAA5) health-based began Jan 2021 Resolved
Max contaminant level (MCL) · Total trihalomethanes (TTHM) health-based began Jan 2021 Resolved

Recent enforcement actions

  • EPA/federal action · EFL Mar 2026
  • State action · SIA Jul 2025
  • State action · SIA Jul 2025
  • State action · SOX Aug 2024
  • State action · SIA Jul 2024
  • State action · SOX Jun 2023
  • State action · SOX Jun 2023
  • State action · SOX Jun 2023

This profile is built from EPA public records for system OK3004820 — 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.