by George J. Janczyn / Grofsurf’s San Diego / May 24, 2012
The San Diego City Council Natural Resources and Culture Committee (NR&C) approved on Wednesday (May 23) two substantial reports that recommend how recycled water can be used more effectively in the future as San Diego struggles with ways to reduce its extreme dependence on imported water that is becoming an increasingly expensive and less reliable source [link to the agenda].
- 2011 Recycled Water Master Plan Update [link to the report].
- Recycled Water Study [link to the report].
According to the Recycled Water Master Plan, its purpose “is to evaluate opportunities to maximize non-potable reuse [of recycled water treated to tertiary standards] if IPR (Indirect Potable Reuse) projects are not pursued” [emphasis in italics is mine].
IPR refers to a series of advanced treatment processes applied to the tertiary water that results in purified water that is in essence distilled water and then to store that water in an underground aquifer or to blend it with imported raw water in an above-surface reservoir.
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I am glad to hear they are moving forward but I am worried that it is not going to be carried out properly. We live in a place right next to the biggest body of water in the world but we have to worry about the expense of importing water. Is desalination technology just not reached the point that it is profitable or is it an environmental issue?