Water Treatment

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Water from Lake Mead is treated by a state-of-the-art direct filtration treatment process, which includes pre-disinfection, coagulation, flocculation, filtration and post-disinfection. All treated water that enters the distribution system exceeds current drinking water standards as set forth in the Safe Drinking Water Act.

Because our source water is so clean to begin with, the treatment process is relatively simple. Impurities in the water, such as clay, silt and organic matter, are removed through a multi-step filtration process. The filtered water is then treated further by using ultraviolet (UV) light. UV light has been shown to be superior method for disinfection, without the use of chemicals. A small amount of chlorine is then added to maintain disinfection of the water as it travels through the distribution system to your tap.

Water Treatment Plant (WTP)

The City's Water Treatment Plant provides approximately 15% of the community's annual drinking water, with the remainder supplied by the Southern Nevada Water Authority. Constructed in 1994, the WTP can treat up to 15 million gallons per day.