Water Quality in Hannibal, MO (63401)

EPA violation data for public water systems serving ZIP code 63401.

Past Health-Based Violations

5 health-based violations were found in the past 5 years, meaning contaminant levels exceeded federal safety limits. All have since been resolved.

More violations than 53% of US ZIP codes.

Based on EPA compliance data. Not a substitute for an official water quality report from your utility.

21,489

Population

10

Water Systems

5

Violations (5yr)

5

Health-Based

Location

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Water Systems Serving This Area (10)

Hannibal Pws

1 health-based
Surface water 17,108 people served
1 violation (5yr) · 1 health-based · All resolved
Lead tested: 5.28 ppb (limit: 15 ppb)

Ralls County Pwsd 1

4 health-based
Groundwater 7,662 people served
4 violations (5yr) · 4 health-based · All resolved
Lead tested: 0 ppb (limit: 15 ppb)

American Cyanamid Co

Groundwater 550 people served
0 violations

Mineola Eastbound Rest Area

Groundwater 100 people served
0 violations

Mineola Westbound Rest Area

Groundwater 100 people served
0 violations

Clear Creek Mhp

Groundwater 58 people served
0 violations

Deer Ridge Wildlife Area

Groundwater 25 people served
0 violations

Bleigh Construction

Groundwater 25 people served
0 violations

Minor Mobile Home Park

Groundwater 25 people served
0 violations

Skyview Ranch Campground

Groundwater 20 people served
0 violations

Contaminants Found

TTHMHealth-Based
4 violations
All resolved
Revised Total Coliform RuleHealth-Based

Missed testing deadlines — not a detection of bacteria.

1 violation
All resolved

Lead & Copper Levels

Lead (Pb)

Within limit
5.28 ppb measured Action level: 15 ppb

Sampled: Jan 2022

How Does This Compare?

Hannibal (63401) has more violations than 53% of US ZIP codes. The national average is 18.87 violations per ZIP over 5 years. This ZIP has 5.

Fewer violations 53th percentile More violations

Recommended Water Filters

Based on health-based violations detected in your area, these filter types are commonly used to address similar contaminants. Consult your water utility's Consumer Confidence Report for the most current data.

Activated Carbon Filter

Excellent for removing chlorine, chloramine, and disinfection byproducts like THMs and HAAs. Available as pitcher filters, countertop, or under-sink units.

Targets:THMs, HAAs, Chlorine, Chloramine, Taste & Odor

Look for:NSF/ANSI 42 & 53 certified

UV Water Purifier

Uses ultraviolet light to neutralize bacteria, viruses, and parasites without chemicals. Ideal for homes with microbial contamination concerns.

Targets:E. coli, Coliform, Giardia, Cryptosporidium

Look for:NSF/ANSI 55 (Class A) certified

Always look for filters certified by NSF International for the specific contaminants you want to remove. This is general educational information, not an endorsement of any specific product.

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