Clean water is an essential element for human health, wellbeing and prosperity. Whether used for drinking, cleaning, food production or industrial output, access to sufficient water resources is a basic human need. Access to sanitation services is a basic right implied in the Constitution of Pakistan under the Article 9, “No person shall be deprived of life or liberty, save in accordance with the law.” United Nations General Assembly, on 28 July 2010, through Resolution 64/292, explicitly recognized the human right to water and sanitation and acknowledged that clean drinking water and sanitation are essential to the realisation of all human rights. Access to sufficient and safe sanitation facilities is also vital for hygiene, disease prevention, and human health. Under Sustainable Development Goals, safely managed water services are defined as: Population using an improved drinking water source, which is:

1. Located in premises

2. Available when needed

3. Free of faecal and priority chemical contamination.