CITY OF SACRAMENTO MAIN
High Risk3 PFAS compound(s) exceed EPA Maximum Contaminant Levels
This utility has until 2029 to install treatment under the EPA's April 2024 PFAS rule. In the meantime, a point-of-use filter certified NSF/ANSI 58 for PFOA/PFOS provides reliable interim protection.
9
PFAS Detected
3
Above EPA Limits
28
ZIPs Served
Groundwater
Water Source
PFAS Test Results
| Compound | Detected | vs. EPA Limit | EPA Limit | Status |
|---|---|---|---|---|
PFOS Perfluorooctane sulfonic acid | 41.40ppt | 1035% of limit
| 4 ppt | ⚠ Exceeds MCL |
PFOA Perfluorooctanoic acid | 17.30ppt | 433% of limit
| 4 ppt | ⚠ Exceeds MCL |
PFHxS Perfluorohexane sulfonic acid | 19.10ppt | 191% of limit
| 10 ppt | ⚠ Exceeds MCL |
lithium | 25400.00ppt | No federal limit | — | Unregulated |
PFBA Perfluorobutanoic acid | 7.40ppt | No federal limit | — | Unregulated |
PFPeA Perfluoropentanoic acid | 6.50ppt | No federal limit | — | Unregulated |
PFHxA Perfluorohexanoic acid | 6.30ppt | No federal limit | — | Unregulated |
PFBS Perfluorobutane sulfonic acid | 6.20ppt | No federal limit | — | Unregulated |
Show 1 more compound detected at low levels
| PFHpAPerfluoroheptanoic acid | 4.40 ppt | No federal limit |
ZIP Codes Served by This Utility
95652 95660 95673 95758 95811 95814 95815 95816 95817 95818 95819 95820 95821 95822 95823 95824 95825 95826 95828 95829 95831 95832 95833 95834 95835 95838 95841 95864
Click any ZIP to see the full result page for that area.
About this data
Source
EPA UCMR 5 — January 2026 release
Sampling period
January 2023 – December 2025
Water system ID (PWSID)
CA3410020
Detection threshold (MRL)
~1.5–2 ppt — "Not detected" means below this floor