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Water system · PWSID OK1020805

DEL CITY

DEL CITY, OK · ~22,128 people served

Check your exact address → DEL CITY overview
100
Excellent
PurityRadar safety score

PWSID

OK1020805

State

Oklahoma

City

DEL CITY

Population served

22,128

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

Lithium

9,300 ppt

limit —

No federal limit

PFBA

7 ppt

limit —

No federal limit

PFPeA

5.9 ppt

limit —

No federal limit

PFHxA

4.3 ppt

limit —

No federal limit

Violations & enforcement

10

Violations on record

0

Unaddressed

6

Health-based

16

Enforcement actions

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

Treatment technique · EPA contaminant 5200 health-based began Oct 2024 Resolved
Reporting · EPA contaminant 5200 began Oct 2024 Resolved
Monitoring & reporting · Total coliform began Oct 2009 Resolved
Treatment technique · Bromate health-based began Oct 2002 Resolved
Treatment technique · EPA contaminant 0200 health-based began Jan 1995 Resolved
Treatment technique · EPA contaminant 0200 health-based began Jun 1994 Resolved
Monitoring & reporting · Total coliform began Jun 1992 Resolved
Monitoring & reporting · Total coliform began Mar 1992 Resolved
Max contaminant level (MCL) · Total trihalomethanes (TTHM) health-based began Apr 1990 Resolved
Max contaminant level (MCL) · Total trihalomethanes (TTHM) health-based began Jan 1990 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 · SOX Jul 2016
  • State action · SOX Jul 2016
  • State action · SOX Apr 2015
  • State action · SIF Apr 2010

This profile is built from EPA public records for system OK1020805 — 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.