Water Quality in Las Vegas, NV
Detailed water quality data for Las Vegas, Nevada including contaminant levels, EPA comparisons, AquaScore™ grading, and treatment recommendations.
Water utility: Las Vegas Valley Water District.
Water source: Lake Mead (Colorado River).
Key Contaminants Found
- Chromium (hexavalent)
- Total trihalomethanes (TTHMs)
- Haloacetic acids (HAA5)
- Arsenic
- Uranium
Las Vegas water comes almost entirely from Lake Mead on the Colorado River. Desert geology contributes naturally occurring arsenic and uranium, while long-distance transport creates disinfection byproduct challenges.