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 community’s drinking water is supplied by the Southern Nevada Water Authority, from either the Alfred Merritt Smith or River Mountains Water Treatment Facility and is delivered to your home or business by the City of Henderson. These facilities treat the water to meet extremely high standards using a sophisticated filtration and disinfection process.