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Photo: Brian Wilkie, San Antonio Water System

Two 8,000-gallon (30,000-l) cisterns outside the Sally Cheever Girl Scouts Leadership Center in San Antonio, Texas, store both rainwater and air-conditioner condensate, which are then used for irrigation. Even during dry spells, the air-conditioner condensate provides enough water to irrigate approximately 1.5 acres (0.6 ha).

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