"The large tanks are logistically challenging to transport, but you need to have a large capacity to deal with the large amount of rain water your roof collects, even in a dry area like Southern California.<br /> The cisterns may be considered part of an Earthquake emergency plan or used to fight fires.<br /> 1000 square feet of roof area yield 8700 gallons of water per year in Anaheim. If the water were collected at just The Disney Hotel an estimated average of 320000 gallons per year of water could be saved. <a href=""http://www.rain-watersystems.com/"">http://www.rain-watersystems.com/</a>"
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