COUNTY WATER-SYSTEM LEDGER
Douglas, Illinois
EPA’s September 2026 export lists 3 active community water systems serving Douglas, Illinois, 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 Douglas, Illinois
EPA associates 3 covered systems with Douglas, Illinois; their reported population-served values total 12,602 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 |
|---|---|---|---|
| TuscolaIL0415030 | 4,875 | Ground water purchased | Other current violation flag |
| West Prairie Water CompanyIL0410030 | 4,800 | Ground water purchased | No current violation flagged |
| ArcolaIL0410050 | 2,927 | Ground water purchased | No current violation flagged |
02 / SOURCE MIX
Primary water sources for Douglas, Illinois
EPA classifies 3 systems serving Douglas, Illinois across 1 primary-source categories; Ground water purchased 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.