Is Tooele, UT tap water safe?
Data: U.S. EPA · How we read the data · How we check it
Summary
No federal limits exceeded in EPA data for Tooele City Water System.
Tooele City Water System supplies Tooele (41,770 people).
Water system
Tooele City Water System
41,770 people · Groundwater · EPA ID UTAH23004
| PFAS | Highest average | Limit |
|---|---|---|
| PFOA Not detected | – | 4 ppt |
| PFOS Not detected | – | 4 ppt |
| PFHxS Not detected | – | 10 ppt |
| PFNA Not detected | – | 10 ppt |
| HFPO-DA (GenX) Not detected | – | 10 ppt |
ppt = parts per trillion. "Highest average" is the highest average at any of the system's entry points, the way EPA compares results with the limits.
Lead: 2.6 ppb at the 90th percentile (Nov 2026, and 9 in 10 homes sampled were at or below it) Below action level
Health-based violations since 2016: 0
Across Utah, 2 of 127 water systems EPA tested had PFAS above a 2024 federal limit, and 8 systems were above the lead action level in results from the last five years. Utah results.
Tooele homes and lead pipes
Lead service lines and lead solder were allowed until 1986, so homes from before then are the ones to check. How to check your own line.
Housing: Census American Community Survey 2020–2024 5-year estimates for Tooele city (tables B25034, B25003). Estimates for small places have a margin of error.
How nearby cities compare
| City | PFAS | Lead (90th pct.) |
|---|---|---|
| Herriman 16 mi Jordan Valley Water Conservancy District | None above limits | 5.05 ppb |
| Magna metro 16 mi Jordan Valley Water Conservancy District | None above limits | 5.05 ppb |
| West Jordan 17 mi West Jordan City Water System | None above limits | 2.5 ppb |
| South Jordan 17 mi Jordan Valley Water Conservancy District | None above limits | 5.05 ppb |
| West Valley City 19 mi Granger-Hunter Improvement District | None above limits | 1.9 ppb |
| Taylorsville 20 mi Jordan Valley Water Conservancy District | None above limits | 5.05 ppb |
Tooele ZIP codes (1)
- 84074
Questions
Is Tooele tap water safe to drink?
Tooele City Water System has had no health-based violations since 2016. Utility data can't show lead from your own pipes: if your home was built before 1986, test your tap. Your utility's annual Consumer Confidence Report is the official summary.
Who supplies water in Tooele, UT?
Tooele City Water System, which serves 41,770 people.
Does Tooele tap water have PFAS?
None detected above EPA's reporting limits. Tooele City Water System had no PFAS detected in EPA's 2023–2025 testing. "Not detected" means below the reporting limit (about 2 to 20 ppt), not proven zero.
Do Tooele homes have lead pipes?
Census estimates put 34% of Tooele homes as built before 1980 (Utah: 36%). Lead service lines and lead solder were allowed until 1986, so older homes are more likely to have them. Tooele City Water System's service line inventory says what your line is made of. The only way to know for your home is to check the line where it enters the house and test your tap.
Source: U.S. EPA drinking water records and PFAS testing (UCMR 5). How we read the data.