Pretreatment Optimization for an Impaired Groundwater Supply
By Sunny Wang, Tony Antich, Gil Borboa, Hala Titus, and Holly Shorney-Darby, Ph.D.
Numerous water utilities in Southern California have long relied on imported waters as a primary source of their water supply portfolio. However, with the cost of imported water rising, and the available supply of imported waters decreasing, utilities are now restoring once impaired water sources to maintain a sustainable water supply portfolio for their customers. The City of Santa Monica (City) is one example of a municipality that has implemented a proactive program to develop new sources and restore impaired resources, including its groundwater supply, which is contaminated with methyl tert-butyl ether (MTBE), and tertiary-butyl alcohol (TBA). The complexity of the groundwater supply distribution network and dissimilar water quality from the Cityﾒs groundwater wells required the development of a cost-effective, multi-barrier treatment approach to ensure a safe and sustainable drinking water supply.
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