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Water system · PWSID MO2010344

HANNIBAL PWS

HANNIBAL, MO · ~17,108 people served

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

PWSID

MO2010344

State

Missouri

City

HANNIBAL

Population served

17,108

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

Latest detections from EPA’s UCMR5 monitoring (through Dec 2024). Levels in parts per trillion (ppt).

PFBA

11 ppt

limit —

No federal limit

Violations & enforcement

59

Violations on record

1

Unaddressed

17

Health-based

76

Enforcement actions

From EPA ECHO (SDWIS), most recent enforcement Jan 2019. Official EPA record →

Reporting · EPA contaminant 5200 began Jul 2025 Unaddressed
Monitoring · Lead & Copper Rule began Mar 2018 Resolved
Monitoring · Lead & Copper Rule began Feb 2018 Resolved
Monitoring · Lead & Copper Rule began Jan 2018 Resolved
Monitoring · Lead & Copper Rule began Dec 2017 Resolved
Monitoring · Lead & Copper Rule began Nov 2017 Resolved
Other · EPA contaminant 0800 began Nov 2016 Resolved
Other · EPA contaminant 0800 began Oct 2016 Resolved
Treatment technique · EPA contaminant 0800 health-based began Oct 2016 Resolved
Treatment technique · EPA contaminant 0200 health-based began May 2016 Resolved
Monitoring & reporting · EPA contaminant 0800 began Apr 2016 Resolved
Max contaminant level (MCL) · Total trihalomethanes (TTHM) health-based began Jul 2015 Resolved

Recent enforcement actions

  • State action · SOX Jan 2019
  • State action · SIF Jun 2018
  • State action · SIE May 2018
  • State action · SIA May 2018
  • State action · SIE May 2018
  • State action · SIA May 2018
  • State action · SIA May 2018
  • State action · SIE May 2018

This profile is built from EPA public records for system MO2010344 — 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.