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Water system · PWSID MO5010339

HALFWAY PWS

HALFWAY, MO · ~151 people served

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

PWSID

MO5010339

State

Missouri

City

HALFWAY

Population served

151

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

17

Violations on record

0

Unaddressed

3

Health-based

40

Enforcement actions

From EPA ECHO (SDWIS), most recent enforcement Jun 2015. Official EPA record →

Monitoring & reporting · Total coliform began Mar 2015 Resolved
Other · EPA contaminant 7000 began Jul 2013 Resolved
Monitoring & reporting · Total coliform began Jun 2013 Resolved
Other · EPA contaminant 7000 began Jul 2012 Resolved
Monitoring & reporting · Total coliform began Jun 2012 Resolved
Monitoring & reporting · Total coliform began May 2010 Resolved
Monitoring & reporting · Total coliform began Nov 2009 Resolved
Max contaminant level (MCL) · Total coliform health-based began Nov 2003 Resolved
Monitoring & reporting · Gross alpha began Sep 1996 Resolved
Max contaminant level (MCL) · Total coliform health-based began Jun 1996 Resolved
Max contaminant level (MCL) · Total coliform health-based began May 1996 Resolved
Monitoring & reporting · Total coliform began Mar 1996 Resolved

Recent enforcement actions

  • State action · SOX Jun 2015
  • State action · SIF Jun 2015
  • State action · SIE Apr 2015
  • State action · SIA Apr 2015
  • State action · SOX Oct 2014
  • State action · SOX Jan 2014
  • State action · SOX Jan 2014
  • State action · SIF Aug 2013

This profile is built from EPA public records for system MO5010339 — 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.