Investing in a water recycling system has the dual benefit of reducing costs and expanding revenue. Many industries use large amounts of water during operational and site activities, which can be wasteful and environmentally damaging. Water recycling systems offer companies an opportunity to reduce water related expenses, as well as market their services to environmentally conscious customers. Water recycling is the process of treating waste water and reusing it. Recycled water can be reused for the same process, for irrigation or as an alternative to mains water in wash-down applications. Water recycling systems will vary according to the quality of waste water to be treated and the intended application for the water.