Santa Barbara County tap water
0 of 15 water systems serving Santa Barbara County with full PFAS testing averaged above a 2024 federal PFAS level at one or more sampling points.
- 61 community water systems list this county as served; 15 serve 3,300+ people with full PFAS testing.
- 9 had a health-based violation since 2021-10-26.
Largest systems serving this county
| System | Source | People served (whole system) | PFAS above a 2024 level? | Violations since 2021-10-26 |
|---|---|---|---|---|
| City of Santa Maria Utilities Department | Purchased surface water | 112,208 | No | 0 |
| City of Santa Barbara Water Department | Surface water | 93,334 | No | 0 |
| Goleta Water District | Surface water | 85,535 | No | 0 |
| Lompoc-City Water Utility Div | Surface water | 40,538 | No | 0 |
| Golden State Water Company - Orcutt | Purchased surface water | 34,267 | No | 0 |
| Carpinteria Valley Water District | Purchased surface water | 16,356 | No | 0 |
| American Water O&m, LLC - Vsfb | Purchased surface water | 14,971 | No | 0 |
| Montecito Water Dist | Surface water | 12,010 | No | 0 |
| Guadalupe Water Department | Purchased surface water | 8,897 | No | 0 |
| Vandenberg Village Comm. Serv. Dist. | Groundwater | 7,308 | No | 0 |
| Santa Ynez River Water Cons. Dist. Id#1 | Purchased surface water | 7,022 | No | 0 |
| Solvang Water Division | Purchased surface water | 5,980 | No | 0 |
Which one is yours? A county usually has several utilities. Your bill or your utility's annual water-quality report names yours. Population is for the whole system, which can cross county lines.
Not medical or legal advice. UCMR 5 results are screening data, not compliance determinations.
Sources and freshness
Public-water-system facts, violations and lead/copper results: EPA ECHO SDWA download (SDWIS snapshot 2026-10-13). PFAS and lithium results: EPA UCMR 5 final data (sampling 2023–2025). Both are U.S. government works, downloaded 2026-10-26. Numbers are computed by the published method; the same fields are in the open data files.