CITY WATER-SYSTEM LEDGER
Jefferson City, Missouri
EPA’s September 2026 export lists 3 active community water systems serving Jefferson City, 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 Jefferson City, Missouri
EPA associates 3 covered systems with Jefferson City, Missouri; their reported population-served values total 59,730 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 |
|---|---|---|---|
| Mo American Jefferson City DistrictMO3010409 | 30,075 | Surface water | No current violation flagged |
| Cole County PWSd 1MO3024159 | 16,548 | Ground water | Current monitoring/reporting flag |
| Cole County PWSd 2MO3024160 | 13,107 | Ground water | No current violation flagged |
02 / SOURCE MIX
Primary water sources for Jefferson City, Missouri
EPA classifies 3 systems serving Jefferson City, Missouri across 2 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.