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Water system · PWSID MO3010822

VIENNA PWS

VIENNA, MO · ~591 people served

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

PWSID

MO3010822

State

Missouri

City

VIENNA

Population served

591

Primary source

Groundwater

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

27

Violations on record

0

Unaddressed

8

Health-based

95

Enforcement actions

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

Reporting · Lead & Copper Rule began May 2025 Resolved
Reporting · EPA contaminant 5200 began Oct 2024 Resolved
Monitoring · Lead & Copper Rule began Sep 2024 Resolved
Reporting · Lead & Copper Rule began Aug 2024 Resolved
Reporting · Lead & Copper Rule began Feb 2024 Resolved
Monitoring & reporting · Lead & Copper Rule began Jan 2013 Resolved
Max contaminant level (MCL) · EPA contaminant 2987 health-based began Jul 2012 Resolved
Max contaminant level (MCL) · EPA contaminant 2987 health-based began Apr 2012 Resolved
Max contaminant level (MCL) · EPA contaminant 2987 health-based began Jan 2012 Resolved
Max contaminant level (MCL) · Total coliform health-based began Oct 2009 Resolved
Max contaminant level (MCL) · Total coliform health-based began Sep 2009 Resolved
Max contaminant level (MCL) · Total coliform health-based began Sep 2009 Resolved

Recent enforcement actions

  • State action · SOX Nov 2025
  • State action · SOX Oct 2025
  • State action · SIF Jul 2025
  • State action · SIE Jul 2025
  • State action · SOX Jul 2025
  • State action · SIA Jul 2025
  • State action · SOX Apr 2025
  • State action · SIF Apr 2025

This profile is built from EPA public records for system MO3010822 — 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.