COUNTY WATER-SYSTEM LEDGER
Madison, Iowa
EPA’s September 2026 export lists 3 active community water systems serving Madison, Iowa, 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 Madison, Iowa
EPA associates 3 covered systems with Madison, Iowa; their reported population-served values total 46,316 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 |
|---|---|---|---|
| Sirwa #2 (Creston)IA8080701 | 20,793 | Surface water | No current violation flagged |
| Warren Water DistrictIA9133701 | 20,095 | Surface water purchased | No current violation flagged |
| Winterset Municipal WaterworksIA6171029 | 5,428 | Surface water | No current violation flagged |
02 / SOURCE MIX
Primary water sources for Madison, Iowa
EPA classifies 3 systems serving Madison, Iowa across 2 primary-source categories; Surface water is the largest category with 2 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.