Las Vegas Tap Water Quality: Is It Safe to Drink? (2026 Report)

Las Vegas, Nevada tap water receives a grade of C (50/100), which is considered fair. 2 contaminant(s) exceed EPA maximum contaminant levels and 307 violation(s) are on record. Residents should consider using an NSF-certified water filter to reduce contaminant exposure.

Of the 77 contaminants tested in Las Vegas's water supply, the most notable include Copper (90th percentile), Lead (90th percentile). 2 contaminant(s) exceed EPA legal limits (MCLs). 2 contaminant(s) exceed EPA health goals (MCLGs), which are non-enforceable targets set at levels with no known health risk.

Yes, Las Vegas has 307 EPA violation(s) on record, with the most recent in 2025. Violation types include TT, Other, MON. 32 of these are health-based violations, which are the most serious category.

Based on EPA data, using a water filter in Las Vegas is recommended. 2 contaminant(s) exceed legal limits. An NSF-certified filter — such as a reverse osmosis or activated carbon system — can effectively reduce many common contaminants. Choose a filter certified to remove the specific contaminants found in your area.

Las Vegas's drinking water is sourced from purchased surface water and supplied by LAS VEGAS VALLEY WATER DISTRICT and 7 other water system(s). The system serves approximately 1,567,602 people. Surface water sources include rivers, lakes, and reservoirs.

Under the Safe Drinking Water Act (SDWA), water utilities are required to regularly test for over 90 contaminants. Testing frequency varies by contaminant — some are tested monthly, others quarterly or annually. Las Vegas's water systems must report results to the EPA and publish an annual Consumer Confidence Report (CCR). The data on this page reflects the latest available EPA testing data.

Las Vegas's water quality score of 50/100 earns a grade of C, which is considered fair. This is a below-average score that indicates room for improvement. Visit our Nevada state page to see how all cities in the state compare.

If you have concerns about Las Vegas's tap water, consider these steps: (1) Request your utility's annual Consumer Confidence Report for detailed local data. (2) Get your water independently tested through a state-certified laboratory. (3) Consider an NSF-certified water filter rated for the contaminants found in your area. (4) Contact your water utility (LAS VEGAS VALLEY WATER DISTRICT) with specific questions. (5) Report water quality issues to your state drinking water program or the EPA Safe Drinking Water Hotline at 800-426-4791.