Is Las Vegas tap water safe to drink?
Is Las Vegas tap water safe to drink? Las Vegas Valley Water District serves about 1.54 million people from 58 active wells. Its EPA file since 2016 holds no health-based violation.
Is Las Vegas tap water safe to drink? Where it comes from
EPA's facility list for Las Vegas Valley Water District shows 58 active wells in use, with 105 treatment facilities. It also receives water from Southern Nevada Water System.
Violations on file for Las Vegas Valley Water District
EPA's file for Las Vegas Valley Water District has no health-based violation between January 2016 and October 2026. State inspectors made 6 recorded visits in that time, the latest a partial sanitary survey in April 2026.
Lead results for Las Vegas Valley Water District
The latest lead result for Las Vegas Valley Water District is 2.08 ppb (December 2025).
PFAS in Las Vegas Valley Water District's samples
59 samples from February 2025 to December 2025 were checked for 29 PFAS compounds. 2 were found at least once, the highest being PFHxA at 5.6 ng/L. Neither PFOA nor PFOS, the two compounds with a federal limit, was found.
| Compound | Highest | Found in |
|---|---|---|
| PFHxA | 5.6 ng/L | 2 of 59 |
| PFPeA | 4.8 ng/L | 2 of 59 |
Las Vegas water quality compared with other US cities
We compared the EPA file of Las Vegas Valley Water District with those of 85 other US cities. 22 cities have more health-based violations since 2016 than Las Vegas Valley Water District, and none has fewer. On lead, 50 reported a lower latest result and 35 a higher one. In PFAS testing, 39 had more compounds detected.
Radon in Clark County
Clark County is in EPA radon Zone 3 (low potential). The Nevada radon page lists every county.
Check your ZIP code
Records: EPA ECHO drinking water data (2026Q3), EPA UCMR 5 (August 2026), EPA radon zones. What the limits mean: drinking water guide · methodology.