Clark County tap water
0 of 10 water systems serving Clark County with full PFAS testing averaged above a 2024 federal PFAS level at one or more sampling points.
- 46 community water systems list this county as served; 10 serve 3,300+ people with full PFAS testing.
- 13 had a health-based violation since 2021-10-26.
Largest systems serving this county
| System | Source | People served (whole system) | PFAS above a 2024 level? | Violations since 2021-10-26 |
|---|---|---|---|---|
| Las Vegas Valley Water District | Purchased surface water | 1,539,277 | No | 0 |
| North Las Vegas Utilities | Purchased surface water | 376,515 | No | 0 |
| Henderson City of | Purchased surface water | 336,534 | No | 0 |
| Virgin Valley Water District | Groundwater | 26,000 | No | 0 |
| Nellis Air Force Base | Purchased surface water | 19,081 | No | 1 |
| Boulder City | Purchased surface water | 15,000 | No | 0 |
| Big Bend Water District | Surface water | 9,000 | No | 0 |
| Moapa Valley Water District | Groundwater | 8,500 | No | 0 |
| Primm Valley Casino Resorts | Groundwater | 7,000 | No | 12 |
| Southern Desert Correctional Ctr Ndoc | Groundwater | 6,200 | No | 0 |
Which one is yours? A county usually has several utilities. Your bill or your utility's annual water-quality report names yours. Population is for the whole system, which can cross county lines.
Not medical or legal advice. UCMR 5 results are screening data, not compliance determinations.
Sources and freshness
Public-water-system facts, violations and lead/copper results: EPA ECHO SDWA download (SDWIS snapshot 2026-10-13). PFAS and lithium results: EPA UCMR 5 final data (sampling 2023–2025). Both are U.S. government works, downloaded 2026-10-26. Numbers are computed by the published method; the same fields are in the open data files.