Water Quality

The Southern Nevada Water Authority runs thousands of analyses each month to ensure our water supply meets or surpasses all federal Safe Drinking Water Act standards.

Water Quality Report

SNWA produces a Water Quality Report for the Southern Nevada Water System (SNWS). The report includes a comparison of test results to federal drinking water standards, an overview of treatment processes and more.

Get the facts

From algae and arsenic to hard water and THMs, get the facts about your water supply. Check out the Water Facts section for details about local and national water issues.