COUNTY WATER-SYSTEM LEDGER
Imperial, California
EPA’s September 2026 export lists 9 active community water systems serving Imperial, California, with 2 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 Imperial, California
EPA associates 9 covered systems with Imperial, California; their reported population-served values total 162,179 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 |
|---|---|---|---|
| El Centro, City OfCA1310004 | 43,772 | Surface water purchased | No current violation flagged |
| Calexico, City OfCA1310002 | 40,357 | Surface water purchased | Current health-based flag |
| Brawley, City OfCA1310001 | 26,862 | Surface water purchased | No current violation flagged |
| Imperial, City OfCA1310006 | 21,591 | Surface water purchased | Current health-based flag |
| Gswc - CalipatriaCA1310003 | 7,363 | Surface water purchased | No current violation flagged |
| Heber Public Utility DistrictCA1310007 | 6,979 | Surface water purchased | No current violation flagged |
| Holtville, City OfCA1310005 | 6,355 | Surface water purchased | No current violation flagged |
| Calipatria State PrisonCA1310800 | 4,800 | Surface water purchased | No current violation flagged |
| Centinela State PrisonCA1310801 | 4,100 | Surface water purchased | No current violation flagged |
02 / SOURCE MIX
Primary water sources for Imperial, California
EPA classifies 9 systems serving Imperial, California across 1 primary-source categories; Surface water purchased is the largest category with 9 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.