The water may be supplied to the consumers either- (1) by continuous system or (ii) intermittent system. In the continuous system, water is available to the consumers for all 24 hours a day. Whereas, the intermittent system supplies water only during the peak hours of water demand, which is fixed hours in the morning and evening period of the day.

Water audit is a well established procedure that identifies productive use and needless waste. If one knows where water is used, a saving plan of water can be planned. By conducting a water audit one can track water usage and forcus on the activity that causes water loss and what that loss costs the utility.