Water Systems Serving Zip Code 63401
Not sure which system is yours? Most residents in ZIP 63401 are likely served by Hannibal Pws (population served: 17,108). Check your water bill for your provider name if you're unsure.
Direct EPA ZIP Matches
2 active water systems have this ZIP in EPA records.
| Water System | Population Served | Source | Violations | Health-Based |
|---|---|---|---|---|
| Ralls County Pwsd 1 | 7,662 | Groundwater | 30 | 28 |
| Hannibal Pws | 17,108 | Surface Water | 30 | 19 |