Las Vegas Valley Water Quality Report 2015

    Lake Mead (below right) supplies nearly 90 percent of the water used by Las Vegas Valley Water District customers. Virtually all las-vegas-water-quality-2015water in Lake Mead originates as snowmelt in the Rocky Mountains that flows down the Colorado River. The remaining water—about 10 percent—comes from wells that tap a deep groundwater aquifer beneath the Las Vegas Valley. Groundwater is used primarily between May 1 and Oct. 1 annually to meet peak water demand; in addition, several groundwater wells operate Oct. 1–March 31 to reduce trihalomethane levels in key areas and ensure compliance with state and federal water-quality requirements. If you live or work within several miles of the Water District’s offices at Charleston and Valley View boulevards, or in the northwest valley, you may receive a blend of treated Lake Mead water and groundwater.

    Read the Las Vegas Valley Water Quality Report 2015

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