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Water system · PWSID OK1020409

WARNER

WARNER, OK · ~2,020 people served

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

PWSID

OK1020409

State

Oklahoma

City

WARNER

Population served

2,020

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

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

139

Violations on record

3

Unaddressed

73

Health-based

220

Enforcement actions

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

Monitoring & reporting · Haloacetic acids (HAA5) began Sep 2025 Unaddressed
Other · EPA contaminant 7000 began Jul 2025 Unaddressed
Other · EPA contaminant 7000 began Jul 2024 Unaddressed
Monitoring & reporting · EPA contaminant 0300 began Mar 2025 Resolved
Monitoring & reporting · EPA contaminant 0999 began Jul 2017 Resolved
Max contaminant level (MCL) · Total trihalomethanes (TTHM) health-based began Jan 2017 Resolved
Max contaminant level (MCL) · Total trihalomethanes (TTHM) health-based began Oct 2016 Resolved
Max contaminant level (MCL) · Total trihalomethanes (TTHM) health-based began Apr 2016 Resolved
Max contaminant level (MCL) · Total trihalomethanes (TTHM) health-based began Jan 2016 Resolved
Max contaminant level (MCL) · Total trihalomethanes (TTHM) health-based began Oct 2015 Resolved
Max contaminant level (MCL) · Total trihalomethanes (TTHM) health-based began Jul 2015 Resolved
Max contaminant level (MCL) · Total trihalomethanes (TTHM) health-based began Jul 2014 Resolved

Recent enforcement actions

  • State action · SIA Nov 2025
  • State action · SOX Jul 2025
  • State action · SIA Jun 2025
  • State action · SIE Jun 2025
  • State action · SIA Jul 2024
  • State action · SIF Oct 2019
  • State action · SOX Sep 2018
  • State action · SOX Feb 2018

Area water-quality monitoring

Environmental monitoring (rivers, wells, intakes) recorded in this system’s service area in the EPA/USGS Water Quality Portal since 2018 — source/ambient water, not finished tap water. Context for the watershed, not a reading from your tap.

ContaminantMedian · max · samples

Nitrate

1 station · latest Apr 2025

0.166 · max 0.498 mg/L · 18

Source: Water Quality Portal (EPA/USGS/state agencies). Values are as-reported and aren’t health thresholds.

This profile is built from EPA public records for system OK1020409 — 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.