COUNTY WATER-SYSTEM LEDGER
Santa Barbara, California
EPA’s September 2026 export lists 15 active community water systems serving Santa Barbara, 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 Santa Barbara, California
EPA associates 15 covered systems with Santa Barbara, California; their reported population-served values total 453,741 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 Santa Maria Utilities DepartmentCA4210011 | 109,477 | Surface water purchased | No current violation flagged |
| City Of Santa Barbara Water DepartmentCA4210010 | 99,323 | Surface water | No current violation flagged |
| Goleta Water DistrictCA4210004 | 84,462 | Surface water | No current violation flagged |
| Lompoc-City Water Utility DivCA4210006 | 40,473 | Surface water | No current violation flagged |
| Golden State Water Company - OrcuttCA4210016 | 34,102 | Surface water purchased | No current violation flagged |
| Carpinteria Valley Water DistrictCA4210001 | 15,996 | Surface water purchased | No current violation flagged |
| American Water O&M, Llc - VsfbCA4210700 | 14,971 | Surface water purchased | No current violation flagged |
| Montecito Water DistCA4210007 | 11,962 | Surface water | No current violation flagged |
| Guadalupe Water DepartmentCA4210003 | 8,897 | Surface water purchased | No current violation flagged |
| Vandenberg Village Comm. Serv. Dist.CA4210017 | 7,308 | Ground water | No current violation flagged |
| Santa Ynez River Water Cons. Dist. Id#1CA4210020 | 7,022 | Surface water purchased | No current violation flagged |
| Solvang Water DivisionCA4210013 | 6,126 | Surface water purchased | No current violation flagged |
| City Of Buellton Water DivisionCA4210018 | 5,161 | Surface water purchased | No current violation flagged |
| La Cumbre Mutual Water CoCA4210024 | 4,861 | Surface water purchased | No current violation flagged |
| Mission Hills CsdCA4210019 | 3,600 | Ground water | No current violation flagged |
02 / SOURCE MIX
Primary water sources for Santa Barbara, California
EPA classifies 15 systems serving Santa Barbara, California across 3 primary-source categories; Surface 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.