Nevada water hardness by city
The Las Vegas Valley Water District reports 280 mg/L (16 gpg) in its 2026 report (2025 data). That is very hard. LVVWD prints the figure on page 4 of the report and tells customers to set softeners by it.
How hard the water is in each Nevada city
| City | Utility | Hardness (as published) | USGS class | Source year |
|---|---|---|---|---|
| Las Vegas, NV | Las Vegas Valley Water District | 280 mg/L · 16 gpg | Very hard | 2026 report (2025 data) |
Henderson and North Las Vegas run their own systems. LVVWD also publishes separate reports for Big Bend, Blue Diamond, Jean, Kyle Canyon and Searchlight on its reports page.
Sources
- LVVWD, 2026 Water Quality Report (2025 data): https://www.lvvwd.com/assets/pdf/water-quality-report-las-vegas-valley-current.pdf
- USGS, Hardness of Water: https://www.usgs.gov/water-science-school/science/hardness-water