COUNTY WATER-SYSTEM LEDGER
Hamilton, Indiana
EPA’s September 2026 export lists 5 active community water systems serving Hamilton, Indiana, 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 Hamilton, Indiana
EPA associates 5 covered systems with Hamilton, Indiana; their reported population-served values total 217,037 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 |
|---|---|---|---|
| Carmel Water DepartmentIN5229004 | 99,927 | Groundwater under influence of surface water | No current violation flagged |
| Citizens Water Of Westfield, LlcIN5229009 | 61,493 | Ground water | No current violation flagged |
| Indiana American Water - NoblesvilleIN5229015 | 45,575 | Ground water | No current violation flagged |
| Cicero Water DepartmentIN5229005 | 5,607 | Ground water | No current violation flagged |
| Indiana American Water - SheridanIN5229014 | 4,435 | Ground water | No current violation flagged |
02 / SOURCE MIX
Primary water sources for Hamilton, Indiana
EPA classifies 5 systems serving Hamilton, Indiana across 2 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.