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 including:

• Hard water
• MTBE
• Pharmaceuticals and personal care products

Las Vegas Valley Watershed Advisory Committee

Protecting the Las Vegas Valley watershed and its quantity and quality of water resources is extemely important to local agencies. To this end, local water and wastewater agencies formed the Las Vegas Valley Watershed Advisory Committee (LVVWAC) in 2007 to coordinate Las Vegas Valley watershed management efforts. The commitee developed a Regional Water Quality Plan (PDF), which serves as a road map to coordinate these management efforts among the LVVWAC member agencies.

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