120 

 

Water beneficially reused With the implementation of Pure Water, the City’s water reuse will increase 
to approximately seven times what it is today:  

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2015 approximate water reuse via recycled water production = 8%   

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2021 planned water reuse via recycled and pure water production = 25% (Completion of Phase I 
- North City)  

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2035 planned water reuse via recycled and pure water production = 56% (Completion of Pure 
Water)  

Note: percentages are based on current flow projections.  

Local supply  

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85% of the City’s water is currently imported. The cost of imported water has tripled in the last 
15 years and is expected to continue to rise. When complete, Pure Water will provide 83 MGD 
or 1/3 of the City’s water supply, lessening the dependence on imported water.   

Enhanced utility and community resiliency to water supply and climate variability  

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Resilient: Pure Water helps mitigate the effects of natural disasters, such as earthquakes, by 
providing a local water source.  

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Drought Proof: Pure Water will be available regardless of drought or rain, making it a consistent 
water source for San Diego.  

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Locally Controlled: Because Pure Water is locally produced and controlled, it is not subject to 
heightened competition for limited water resources.  

Environmental Benefits  

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Pure Water decreases ocean discharges by approximately 100 MGD by maximizing the amount 
of water that is reused. This is around a 50% reduction in future ocean discharges based on flow 
current projections.  

Water quality confirmed  

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From 2009-2013, the City conducted a number of studies to determine the feasibility for the 
full-scale Pure Water Program. This included the construction and operation of the 1-mgd 
Demonstration Advanced Water Purification Facility.  

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The results? Since the 1-mgd Demonstration Advanced Water Purification Facility began 
operating in June 2011, more than 28,000 water quality tests confirmed the advanced water 
purification process reliably meets all federal and state drinking water standards. The State 
Water Board and Division of Drinking Water granted conditional approval of the San Vicente 
concept in 2012 and 2013.