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Water system · PWSID OK2007103

GRANDFIELD

100
Excellent
PurityRadar safety score

PWSID

OK2007103

State

Oklahoma

City

GRANDFIELD

Population served

1,110

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

183

Violations on record

0

Unaddressed

122

Health-based

552

Enforcement actions

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

Monitoring & reporting · Total trihalomethanes (TTHM) began Dec 2023 Resolved
Monitoring & reporting · Total trihalomethanes (TTHM) began Sep 2023 Resolved
Monitoring & reporting · Total trihalomethanes (TTHM) began Jun 2023 Resolved
Max contaminant level (MCL) · Thallium health-based began Apr 2023 Resolved
Monitoring & reporting · Total trihalomethanes (TTHM) began Apr 2023 Resolved
Max contaminant level (MCL) · Thallium health-based began Jan 2023 Resolved
Monitoring & reporting · Total trihalomethanes (TTHM) began Dec 2022 Resolved
Max contaminant level (MCL) · Thallium health-based began Oct 2022 Resolved
Max contaminant level (MCL) · Thallium health-based began Jul 2022 Resolved
Max contaminant level (MCL) · Thallium health-based began Apr 2022 Resolved
Max contaminant level (MCL) · Thallium health-based began Jan 2022 Resolved
Max contaminant level (MCL) · Thallium health-based began Oct 2021 Resolved

Recent enforcement actions

  • State action · SO0 Jun 2025
  • State action · SO0 Jun 2025
  • State action · SO0 Jun 2025
  • State action · SO0 Jun 2025
  • State action · SO0 Jun 2025
  • State action · SO0 Jun 2025
  • State action · SO0 Jun 2025
  • State action · SO0 Jun 2025

This profile is built from EPA public records for system OK2007103 — 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.