COUNTY WATER-SYSTEM LEDGER
Sangamon, Illinois
EPA’s September 2026 export lists 8 active community water systems serving Sangamon, Illinois, with 0 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 Sangamon, Illinois
EPA associates 8 covered systems with Sangamon, Illinois; their reported population-served values total 162,125 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 |
|---|---|---|---|
| SpringfieldIL1671200 | 117,444 | Surface water | No current violation flagged |
| ChathamIL1670300 | 16,423 | Ground water purchased | No current violation flagged |
| Curran-Gardner Township PwdIL1675350 | 6,651 | Ground water | No current violation flagged |
| WilliamsvilleIL1671300 | 6,198 | Surface water purchased | No current violation flagged |
| AuburnIL1670050 | 4,574 | Surface water purchased | No current violation flagged |
| RivertonIL1670950 | 4,279 | Ground water | No current violation flagged |
| RochesterIL1671000 | 3,856 | Surface water purchased | No current violation flagged |
| PawneeIL1670850 | 2,700 | Surface water purchased | No current violation flagged |
02 / SOURCE MIX
Primary water sources for Sangamon, Illinois
EPA classifies 8 systems serving Sangamon, Illinois across 4 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.