Analysis: There’s no ignoring that creating water by purifying sewage (what Kittle called toilet-to-tap) isn’t as cheap as importing water from the Colorado River or Sacramento Delta, our two main sources. But it’s not as expensive as Kittle claimed….
Independent analyses have reinforced that purifying sewage is cheaper than desalination. Why? Because it takes more energy to strip salt out of seawater than crud out of sewage. That’s why officials in Orange County chose purified sewage when they needed a new supply. They found it cheaper than seawater desalination.”
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