Many cities across Southern California currently have programs in place to help residents convert their laundry and other grey water to help plants and trees. In a time of drought, where every drop of water makes a difference in California, the water that goes down the drain is getting a second look. Grey water systems capture gently used water from tubs, showers, and laundry, and re-uses it to water your garden. There are a number of different ways to reuse the water in your home. This house has a simple system that distributes the water from the washing machine to the garden.