CITY WATER-SYSTEM LEDGER
San Jose, California
EPA’s September 2026 export lists 3 active community water systems serving San Jose, California, 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 San Jose, California
EPA associates 3 covered systems with San Jose, California; their reported population-served values total 163,158 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 |
|---|---|---|---|
| City Of San Jose - Evg/Edv/CoyCA4310020 | 101,265 | Surface water purchased | No current violation flagged |
| City Of San Jose - Nsj/AlvisoCA4310019 | 45,559 | Surface water purchased | No current violation flagged |
| Cwsc King CityCA2710009 | 16,334 | Ground water | No current violation flagged |
02 / SOURCE MIX
Primary water sources for San Jose, California
EPA classifies 3 systems serving San Jose, California across 2 primary-source categories; Surface water purchased 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.