COUNTY WATER-SYSTEM LEDGER
Solano, California
EPA’s September 2026 export lists 11 active community water systems serving Solano, 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 Solano, California
EPA associates 11 covered systems with Solano, California; their reported population-served values total 457,346 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 VallejoCA4810007 | 121,420 | Surface water | No current violation flagged |
| City Of FairfieldCA4810003 | 120,377 | Surface water | Current health-based flag |
| City Of VacavilleCA4810008 | 99,650 | Surface water | No current violation flagged |
| Suisun-Solano Water AuthorityCA4810005 | 29,105 | Surface water | Current health-based flag |
| City Of BeniciaCA4810001 | 27,131 | Surface water | No current violation flagged |
| California Water Service Co.-Travis AfbCA4810701 | 18,111 | Surface water purchased | No current violation flagged |
| City Of DixonCA4810009 | 12,540 | Ground water | No current violation flagged |
| California Water Service Co. - DixonCA4810002 | 10,623 | Ground water | No current violation flagged |
| City Of Rio VistaCA4810004 | 10,489 | Ground water | No current violation flagged |
| California State Prison - SolanoCA4810800 | 5,100 | Surface water | No current violation flagged |
| City Of Vallejo-Lakes SystemCA4810021 | 2,800 | Surface water | No current violation flagged |
02 / SOURCE MIX
Primary water sources for Solano, California
EPA classifies 11 systems serving Solano, California across 3 primary-source categories; Surface water is the largest category with 7 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.