- EPA's UCMR 5 testing looked for 30 contaminants here and found 5.
- Lithium: found in 25 of 52 samples, average 9.28 µg/L, highest 42.8 µg/L (EPA UCMR 5 testing, Oct 2023–Oct 2024)
- PFHxS (a PFAS): found in 1 of 52 samples, average 0.30 ppt, highest 18.2 ppt (EPA UCMR 5 testing, Oct 2023–Oct 2024)
- PFOS (a PFAS): found in 1 of 52 samples, average 0.10 ppt, highest 7.1 ppt (EPA UCMR 5 testing, Oct 2023–Oct 2024)
- PFPeA (a PFAS): found in 1 of 52 samples, average 0.10 ppt, highest 6.2 ppt (EPA UCMR 5 testing, Oct 2023–Oct 2024)
- PFHxA (a PFAS): found in 1 of 52 samples, average 0.10 ppt, highest 5.7 ppt (EPA UCMR 5 testing, Oct 2023–Oct 2024)
- Lead, 90th percentile: 2.51 ppb at the latest result in EPA records for a monitoring period that ran on or after July 1, 2021, at or below EPA's 15 ppb action level (EPA SDWIS, monitoring period Jan 1, 2022–Dec 31, 2024). The 90th percentile is a system-wide measure from homes sampled under EPA's lead rule; it isn't a result for your home.
Public EPA test results
Salt Lake City, UT tap water: what EPA records show
EPA UTAH18026 · serves Salt Lake County, UT · about 383,612 people (EPA SDWIS)
This report shows EPA's federal records for this water system: UCMR 5 testing, lead testing and violations. It isn't a test of the water at your tap, and it has no Water Score.
Public EPA test results
Salt Lake City Water System (EPA UTAH18026)
EPA data as of October 14, 2026. For Salt Lake City's main utility, Salt Lake City Water System: We found no health-based violations in EPA's records for this system (UTAH18026) since July 1, 2021, as of October 14, 2026. EPA's UCMR 5 testing looked for 30 contaminants here and found 5.
What EPA records show for Salt Lake City Water System, as of October 14, 2026
We found no health-based violations in EPA's records for this system (UTAH18026) since July 1, 2021, as of October 14, 2026.
Source: EPA ECHO record for Salt Lake City Water System (SDWIS). Data as of October 14, 2026.
Lead, 90th percentile: 2.51 ppb at the latest result in EPA records for a monitoring period that ran on or after July 1, 2021, at or below EPA's 15 ppb action level (EPA SDWIS, monitoring period Jan 1, 2022–Dec 31, 2024). The 90th percentile is a system-wide measure from homes sampled under EPA's lead rule; it isn't a result for your home.
EPA's UCMR 5 testing looked for 30 contaminants here and found 5.
Source: EPA records (SDWIS, UCMR 5). SDWIS: data as of Oct 14, 2026. EPA UCMR 5 data, samples through June 2026.
Your water bill names your utility.
Does Salt Lake City Water System use chloramine?
We didn't find chloramine in Salt Lake City Water System's EPA treatment records. That's not a complete list; your utility's annual water quality report says which disinfectant it uses.