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Water system · PWSID OK2004704

NEWCASTLE

NEWCASTLE, OK · ~7,900 people served

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

PWSID

OK2004704

State

Oklahoma

City

NEWCASTLE

Population served

7,900

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

Latest detections from EPA’s UCMR5 monitoring (through Nov 2023). Levels in parts per trillion (ppt).

Lithium

40,000 ppt

limit —

No federal limit

PFBA

5.2 ppt

limit —

No federal limit

Violations & enforcement

28

Violations on record

1

Unaddressed

5

Health-based

66

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 · EPA contaminant 0999 began Jun 2025 Resolved
Monitoring & reporting · Total trihalomethanes (TTHM) began Feb 2022 Resolved
Monitoring & reporting · Haloacetic acids (HAA5) began Feb 2022 Resolved
Monitoring & reporting · Selenium began Jan 2014 Resolved
Monitoring & reporting · Fluoride began Jan 2014 Resolved
Monitoring & reporting · EPA contaminant 1036 began Jan 2014 Resolved
Monitoring & reporting · Cadmium began Jan 2014 Resolved
Monitoring & reporting · EPA contaminant 1085 began Jan 2014 Resolved
Monitoring & reporting · EPA contaminant 1075 began Jan 2014 Resolved
Monitoring & reporting · Barium began Jan 2014 Resolved
Monitoring & reporting · Beryllium began Jan 2014 Resolved

Recent enforcement actions

  • State action · SIE Nov 2025
  • State action · SIA Nov 2025
  • State action · SOX Sep 2025
  • State action · SIE Aug 2025
  • State action · SIA Aug 2025
  • State action · SIF Apr 2024
  • State action · SIF Apr 2024
  • State action · SOX Jul 2023

This profile is built from EPA public records for system OK2004704 — 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.