SALT LAKE CITY WATER SYSTEM
High Risk2 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.
5
PFAS Detected
2
Above EPA Limits
29
ZIPs Served
Groundwater
Water Source
PFAS Test Results
| Compound | Detected | vs. EPA Limit | EPA Limit | Status |
|---|---|---|---|---|
PFHxS Perfluorohexane sulfonic acid | 18.20ppt | 182% of limit
| 10 ppt | ⚠ Exceeds MCL |
PFOS Perfluorooctane sulfonic acid | 7.10ppt | 178% of limit
| 4 ppt | ⚠ Exceeds MCL |
lithium | 42800.00ppt | No federal limit | — | Unregulated |
PFPeA Perfluoropentanoic acid | 6.20ppt | No federal limit | — | Unregulated |
PFHxA Perfluorohexanoic acid | 5.70ppt | No federal limit | — | Unregulated |
ZIP Codes Served by This Utility
84010 84044 84047 84054 84092 84093 84101 84102 84103 84104 84105 84106 84107 84108 84109 84111 84112 84113 84115 84116 84117 84119 84120 84121 84124 84128 84138 84143 84150
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)
UTAH18026
Detection threshold (MRL)
~1.5–2 ppt — "Not detected" means below this floor