Sacramento County tap water
8 of 29 water systems serving Sacramento County with full PFAS testing averaged above a 2024 federal PFAS level at one or more sampling points.
- 62 community water systems list this county as served; 27 serve 3,300+ people with full PFAS testing.
- 12 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 Sacramento Main | Surface water | 527,979 | Yes | 0 |
| Sacramento Suburban Water District | Purchased surface water | 194,444 | No | 0 |
| Scwa - Laguna/Vineyard | Surface water | 188,417 | Yes | 1 |
| Folsom, City of - Main | Surface water | 80,969 | No | 0 |
| Citrus Heights Water District | Purchased surface water | 67,818 | No | 0 |
| Cal Am - Suburban Rosemont | Purchased surface water | 54,893 | Yes | 0 |
| Cal Am - Parkway | Purchased surface water | 50,646 | Yes | 0 |
| Cal Am - Lincoln Oaks | Purchased surface water | 48,105 | No | 0 |
| Golden State Water CO. - Cordova | Surface water | 47,366 | No | 0 |
| Elk Grove Water District | Purchased surface water | 44,065 | No | 0 |
| Carmichael Water District | Groundwater under surface influence | 41,193 | No | 0 |
| Fair Oaks Water District | Purchased surface water | 36,226 | 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.