COUNTY WATER-SYSTEM LEDGER
Macoupin, Illinois
EPA’s September 2026 export lists 5 active community water systems serving Macoupin, Illinois, with 2 current-violation flags and 1 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 Macoupin, Illinois
EPA associates 5 covered systems with Macoupin, Illinois; their reported population-served values total 24,406 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 |
|---|---|---|---|
| CarlinvilleIL1170150 | 6,598 | Surface water | No current violation flagged |
| StauntonIL1171050 | 5,756 | Surface water | No current violation flagged |
| BrightonIL1174160 | 5,041 | Surface water purchased | No current violation flagged |
| GillespieIL1170400 | 3,737 | Surface water | Current serious-violator flag |
| VirdenIL1171100 | 3,274 | Surface water purchased | Other current violation flag |
02 / SOURCE MIX
Primary water sources for Macoupin, Illinois
EPA classifies 5 systems serving Macoupin, Illinois across 2 primary-source categories; Surface water is the largest category with 3 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.