Water Quality in HANNIBAL, MO (63401)
EPA violation data for public water systems serving ZIP code 63401.
22
Total Violations
22
Health-Based
0
Monitoring / Reporting
22
Resolved
What does this mean?
22 of 22 violations have been resolved. 22 are health-based violations, meaning contaminant levels exceeded federal safety limits. Not all violations mean your water is unsafe. The EPA requires reporting even for minor administrative issues.
Violations Detail (22 total)
| Contaminant | Category | MCL Limit | Measured | Date | Status | Health Effects |
|---|---|---|---|---|---|---|
| Revised Total Coliform Rule | Health-Based | N/A | N/A | Jul 31, 2023 | Resolved | N/A |
| Revised Total Coliform Rule | Health-Based | N/A | N/A | Jul 31, 2023 | Resolved | N/A |
| Revised Total Coliform Rule | Health-Based | N/A | N/A | Jul 31, 2023 | Resolved | N/A |
| Revised Total Coliform Rule | Health-Based | N/A | N/A | Jul 31, 2023 | Resolved | N/A |
| Revised Total Coliform Rule | Health-Based | N/A | N/A | Jul 31, 2023 | Resolved | N/A |
| Revised Total Coliform Rule | Health-Based | N/A | N/A | Jul 31, 2023 | Resolved | N/A |
| TTHM | Health-Based | N/A | 81.1 | Dec 31, 2022 | Resolved | N/A |
| TTHM | Health-Based | N/A | 81.1 | Dec 31, 2022 | Resolved | N/A |
| TTHM | Health-Based | N/A | 81.1 | Dec 31, 2022 | Resolved | N/A |
| TTHM | Health-Based | N/A | 81.1 | Dec 31, 2022 | Resolved | N/A |
Lead & Copper Levels
Violation Timeline
2023(6)
Revised Total Coliform Rule
1A
Revised Total Coliform Rule
1A
Revised Total Coliform Rule
1A
Revised Total Coliform Rule
1A
Revised Total Coliform Rule
1A
Revised Total Coliform Rule
1A
2022(16)
TTHM
02
TTHM
02
TTHM
02
TTHM
02
TTHM
02
TTHM
02
TTHM
02
TTHM
02
TTHM
02
TTHM
02
TTHM
02
TTHM
02
TTHM
02
TTHM
02
TTHM
02
TTHM
02
How Does This Compare?
HANNIBAL (63401) has 22 recorded violations, including 22 health-based. All violations have been resolved, which is a positive sign for current water quality. Consider testing your tap water independently for added peace of mind.
Recommended Water Filters
Based on the contaminants detected in your area, these filter types may help improve your water quality.
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.