Overview

Water is renewable source but at the same time it is a finite source. Only less than 1% of the total water is in the form of fresh water resource. According to a survey on water management by International Water Association (IWA), it is stated that nearly one billion people around the world are facing lack in accessing safe water. The water supplies around the world have decreased to one third over a period of past three decades. 600 million people live in countries facing water stress (less than 1700 cubic meters of water per person). In the next 3 decades, the percentage of the world's population facing stress to access fresh water could increase fivefold. Since the world is facing the stress on water, it is highly important to conserve water. At the same time, it is equally important to manage and effectively utilize the available resource. While considering the Indian conditions, there is no proper water management system (WMS) other than some metering policies that are followed in metro cities. The water management system will be the only need of the hour solution rather than looking for the alternative sources of water. Metro city like Chennai is already hit with the 'Day-Zero' in the month of June 2019 in which the term 'Day-Zero' refers the zero access to water which has resulted in shutting down of many hotels and restaurants, declaration of holidays or work from home alternative by the IT industries, reduction in production in manufacturing industries etc. On seeing this as a global perspective, 'Cape Town' is the first city in the world which is exposed to 'Day Zero'. The consumption of water varies widely between various types of consumers such as residential, commercial, industrial and also the consumption varies according to the seasons. It is highly needed to set up the WMS for efficient distribution of resources.

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