EL RENO

EL RENO, OK · ~16,212 people served

Check your exact address → EL RENO overview

100

Excellent

PurityRadar safety score

PWSID

OK2000902

State

Oklahoma

City

EL RENO

Population served

16,212

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 Oct 2025). Levels in parts per trillion (ppt).

Lithium

127,600 ppt

limit —

No federal limit

Violations & enforcement

Violations on record

Unaddressed

Health-based

121

Enforcement actions

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

Reporting · EPA contaminant 5200 began Oct 2024 Resolved

Treatment technique · EPA contaminant 5200 health-based began Oct 2024 Resolved

Max contaminant level (MCL) · Total trihalomethanes (TTHM) health-based began Jul 2024 Resolved

Treatment technique · EPA contaminant 0300 health-based began Dec 2022 Resolved

Treatment technique · EPA contaminant 0200 health-based began Oct 2022 Resolved

Treatment technique · EPA contaminant 0300 health-based began Oct 2022 Resolved

Monitoring & reporting · EPA contaminant 0300 began Feb 2022 Resolved

Treatment technique · EPA contaminant 0300 health-based began May 2021 Resolved

Treatment technique · EPA contaminant 0200 health-based began May 2021 Resolved

Treatment technique · EPA contaminant 0300 health-based began Feb 2021 Resolved

Treatment technique · EPA contaminant 0200 health-based began Oct 2020 Resolved

Treatment technique · EPA contaminant 0300 health-based began Oct 2020 Resolved

Recent enforcement actions

State action · SOX Sep 2025
State action · SOX Sep 2025
State action · SOX Sep 2025
State action · SIA Jul 2025
State action · SIA Jul 2025
State action · SIF Nov 2024
State action · SFL Oct 2024
State action · SIE Oct 2024

This profile is built from EPA public records for system OK2000902 — 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.