COUNTY WATER-SYSTEM LEDGER
Henry, Illinois
EPA’s September 2026 export lists 4 active community water systems serving Henry, 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 Henry, Illinois
EPA associates 4 covered systems with Henry, Illinois; their reported population-served values total 24,189 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 |
|---|---|---|---|
| KewaneeIL0730650 | 12,509 | Ground water | Current monitoring/reporting flag |
| GeneseoIL0730500 | 6,539 | Ground water | No current violation flagged |
| Colona WestIL0730550 | 2,640 | Ground water | No current violation flagged |
| Colona EastIL0730400 | 2,501 | Ground water | No current violation flagged |
02 / SOURCE MIX
Primary water sources for Henry, Illinois
EPA classifies 4 systems serving Henry, Illinois across 1 primary-source categories; Ground water is the largest category with 4 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.