2. How many gallons of water per day does the World Health Organization recommend each person have to meet their basic health and sanitation needs? 13 gallons
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4. How many people worldwide do not have any water within a 15-minute walk of their homes? One billion
19. Millions of gallons per day of savings for So. Cal (MGD) Washers Showers and washers Showers, washers, sinks 100% 10% 1% 383 672 964 38 67 96 4 7 10 From UCLA's report: Graywater- A Potential Source of Water Offsets need for desal plant
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25. Mulch basin Image from "Create an Oasis with Greywater" by Art Ludwig
32. System details: Materials- $150 Machine- 15 gallons/load, 3 loads a week. to 6 locations Each tree gets 9 gallons a week Labeled 3-way valve Mulch basins around trees, GW discharged under 2", onto mulch. Laundry irrigates 6 fruit trees around yard. City water irrigates vegi beds .