# Vegas Water Systems by My Home Water System

> Published water hardness for Las Vegas, NV, copied from the utility's own reports, and a way to request a written water treatment quote from one local company. Not a water utility.

## Water facts, as published
- Hardness, Las Vegas Valley Water District: 280 parts per million (16 grains per gallon) (Calendar year 2025). Source: LVVWD 2026 Water Quality Report, https://www.lvvwd.com/assets/pdf/water-quality-report-las-vegas-valley-current.pdf
- USGS class, our reading of the published figures: very hard. Classes: https://www.usgs.gov/water-science-school/science/hardness-water
- About 90 percent of the water comes from Lake Mead on the Colorado River and about 10 percent from deep groundwater wells.
- The district disinfects with chlorine. Its 2025 free chlorine residual averaged 0.99 ppm.
- One section of the district's water quality FAQ page gives 291 ppm (17 grains per gallon). The current annual report gives 280 ppm.
- Chlorine is added as water leaves the treatment plants to protect it on the way to the tap. Source: Las Vegas Valley Water District 2026 Water Quality Report, https://www.lvvwd.com/assets/pdf/water-quality-report-las-vegas-valley-current.pdf
- About 90 percent of Las Vegas Valley water comes from Lake Mead, and about 10 percent from wells in a deep valley aquifer. Source: Las Vegas Valley Water District 2026 Water Quality Report, https://www.lvvwd.com/assets/pdf/water-quality-report-las-vegas-valley-current.pdf
- Groundwater is used mainly from April through October to meet peak demand, so some areas get a blend of well water and Lake Mead water then. Source: Las Vegas Valley Water District 2026 Water Quality Report, https://www.lvvwd.com/assets/pdf/water-quality-report-las-vegas-valley-current.pdf
- Sources last checked: 2026-10-26

## Pages
- [Las Vegas water and quotes](https://vegaswatersystems.com/): the answer, the sources, common questions
- [Water data as JSON](https://vegaswatersystems.com/water.json)
- [Water softeners](https://www.myhomewatersystem.com/water-softeners/), [whole-home filtration](https://www.myhomewatersystem.com/whole-home-filtration/), [reverse osmosis](https://www.myhomewatersystem.com/reverse-osmosis/)
- [Hard water by city](https://www.myhomewatersystem.com/hard-water-by-city/): published hardness for every city we cover

## Status
- Taking requests. No prices are published; quotes come after an assessment at the home.
- Run by My Home Water System, operated by Aidren LLC.