MO2010344
MO
No open health violations

Hannibal Pws

Surface water · Local · CITY HALL, 320 BROADWAY

Overall Risk Level

Moderate Concern

No Concern
Low
Moderate
High
Critical

Contaminants detected within limits but elevated. Consider filtration.

Utility Overview

Population Served

17,108

Source Type

Surface water

Ownership

Local

PWSID

MO2010344

Detected Contaminants

CCR data ingestion in progress

Contaminant detection levels from Consumer Confidence Reports are being parsed and linked to utilities. Check back soon, or view the official report directly from the EPA links below.

View on EPA ECHO

Sourced from EPA SDWIS. Health-based violations mean a contaminant exceeded the legal limit. Monitoring/Reporting violations mean required test results were not submitted to EPA — not necessarily that the water is unsafe.

Treatment Technique

Resolved
May 2016 – Jun 2016Health-based

Treatment Technique

Resolved
May 2016 – Jun 2016Health-basedCode 0200

MCL ViolationHaloacetic Acids (HAA5)

Resolved
Jul 2015 – Aug 2016Health-based

MCL ViolationHaloacetic Acids (HAA5)

Resolved
Apr 2015 – Aug 2016Health-based

MCL ViolationHaloacetic Acids (HAA5)

Resolved
Jan 2015 – Aug 2016Health-based

MCL ViolationHaloacetic Acids (HAA5)

Resolved
Oct 2014 – Aug 2016Health-based

MCL ViolationHaloacetic Acids (HAA5)

Resolved
Jul 2014 – Aug 2016Health-based

MCL ViolationHaloacetic Acids (HAA5)

Resolved
Jul 2013 – Aug 2016Health-based

MCL ViolationHaloacetic Acids (HAA5)

Resolved
Apr 2013 – Aug 2016Health-based

MCL ViolationHaloacetic Acids (HAA5)

Resolved
Jan 2013 – Aug 2016Health-based

MCL ViolationHaloacetic Acids (HAA5)

Resolved
Oct 2012 – Aug 2016Health-based

MCL ViolationHaloacetic Acids (HAA5)

Resolved
Jul 2012 – Aug 2016Health-based

MCL ViolationHaloacetic Acids (HAA5)

Resolved
Apr 2012 – Aug 2016Health-based

MCL ViolationHaloacetic Acids (HAA5)

Resolved
Jan 2012 – Aug 2016Health-based

MCL ViolationHaloacetic Acids (HAA5)

Resolved
Oct 2011 – Aug 2016Health-based

MCL ViolationHaloacetic Acids (HAA5)

Resolved
Jul 2011 – Aug 2016Health-based

Treatment Technique

Resolved
Oct 2016 – May 2017Health-basedCode 0800

MCL ViolationColiform (TCR)

Resolved
Aug 2023 – Apr 2026Health-based

Monitoring & ReportingColiform (TCR)

Resolved
Mar 2018 – Jan 2019Monitoring/Reporting failure

6 additional monitoring/reporting failures

Required test submissions not filed with EPA — no contaminant data recorded. These are administrative failures, not health violations.

Filtration Recommendations

Based on contaminants found in health-based violations, these treatment methods are most relevant for residents.

Related Pages

Data Sources & Provenance

All data on this page is sourced from official U.S. government or public datasets.

EPA ECHO — Water System & Compliance ReportPWSID MO2010344View source
EPA CCR — Consumer Confidence ReportsView source
Last updated: 2026-04-19
High Confidence
Annual refresh cycle

At a Glance

PWSIDMO2010344
StateMissouri
Risk Levelmoderate
Population Served17,108
Open Health Violations0

Service area match is likely but not guaranteed. Your water bill is the most reliable way to confirm your provider.