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Water system · PWSID AR0000546

HARMONY WATER ASSOCIATION

EL DORADO, AR · ~336 people served

Check your exact address → EL DORADO overview
100
Excellent
PurityRadar safety score

PWSID

AR0000546

State

Arkansas

City

EL DORADO

Population served

336

Primary source

GWP

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

10

Violations on record

0

Unaddressed

8

Health-based

38

Enforcement actions

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

Other · EPA contaminant 7500 began Mar 2025 Resolved
Max contaminant level (MCL) · Total trihalomethanes (TTHM) health-based began Apr 2021 Resolved
Max contaminant level (MCL) · Total trihalomethanes (TTHM) health-based began Jan 2021 Resolved
Max contaminant level (MCL) · Total trihalomethanes (TTHM) health-based began Jan 2021 Resolved
Max contaminant level (MCL) · Total trihalomethanes (TTHM) health-based began Oct 2020 Resolved
Max contaminant level (MCL) · Total trihalomethanes (TTHM) health-based began Oct 2020 Resolved
Max contaminant level (MCL) · Total trihalomethanes (TTHM) health-based began Jul 2020 Resolved
Max contaminant level (MCL) · Total trihalomethanes (TTHM) health-based began Jul 2020 Resolved
Max contaminant level (MCL) · Total trihalomethanes (TTHM) health-based began Jan 2015 Resolved
Other · EPA contaminant 7000 began Oct 2002 Resolved

Recent enforcement actions

  • State action · SFM Oct 2025
  • State action · SOX Jun 2025
  • State action · SOX Sep 2022
  • State action · SIF Sep 2021
  • State action · SIF Jun 2021
  • State action · SFK May 2021
  • State action · SFM May 2021
  • State action · SIF Apr 2021

This profile is built from EPA public records for system AR0000546 — 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.