COUNTY WATER-SYSTEM LEDGER
Marion, Missouri
EPA’s September 2026 export lists 3 active community water systems serving Marion, Missouri, with 1 current-violation flags and 0 serious-violator flags among the covered systems.
Source: EPA SDWIS system-search export · Active community systems serving 2,500+ people · Snapshot 13 Sep 2026
01 / SYSTEMS
Water systems serving Marion, Missouri
EPA associates 3 covered systems with Marion, Missouri; their reported population-served values total 25,603 and may overlap.
Ordered by reported population served. Open any record for separate health, monitoring, notice, other, and serious-violator flags.
| Water system | Population served | Primary source | Current export status |
|---|---|---|---|
| Hannibal PWSMO2010344 | 17,108 | Surface water | Current monitoring/reporting flag |
| Marion County PWSd 1MO2024377 | 4,900 | Surface water purchased | No current violation flagged |
| Palmyra PWSMO2010623 | 3,595 | Ground water | No current violation flagged |
02 / SOURCE MIX
Primary water sources for Marion, Missouri
EPA classifies 3 systems serving Marion, Missouri across 3 primary-source categories; Surface water is the largest category with 1 systems.
It is the sum of each listed system's reported population served, not a census estimate. Service areas can overlap and some systems list multiple cities or counties.