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Water system · PWSID OK1010820

MADILL

MADILL, OK · ~3,410 people served

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

PWSID

OK1010820

State

Oklahoma

City

MADILL

Population served

3,410

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

23

Violations on record

0

Unaddressed

17

Health-based

73

Enforcement actions

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

Monitoring & reporting · EPA contaminant 0999 began Apr 2023 Resolved
Max contaminant level (MCL) · Total trihalomethanes (TTHM) health-based began Jan 2016 Resolved
Max contaminant level (MCL) · Haloacetic acids (HAA5) health-based began Jan 2016 Resolved
Max contaminant level (MCL) · Haloacetic acids (HAA5) health-based began Oct 2015 Resolved
Monitoring & reporting · Haloacetic acids (HAA5) began Oct 2013 Resolved
Monitoring & reporting · Total trihalomethanes (TTHM) began Oct 2013 Resolved
Treatment technique · EPA contaminant 0300 health-based began May 2009 Resolved
Treatment technique · EPA contaminant 0300 health-based began Jul 2007 Resolved
Treatment technique · Bromate health-based began Apr 2007 Resolved
Monitoring & reporting · Arsenic began Jan 2007 Resolved
Treatment technique · Bromate health-based began Jan 2007 Resolved
Treatment technique · Bromate health-based began Oct 2006 Resolved

Recent enforcement actions

  • State action · SOX Oct 2025
  • State action · SIF Apr 2025
  • State action · SIA Mar 2025
  • State action · SIE Mar 2025
  • State action · SIF Jun 2024
  • State action · SOX Aug 2023
  • State action · SIA Jul 2023
  • State action · SIE Jul 2023

This profile is built from EPA public records for system OK1010820 — 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.