Pursuant to Human Rights Council Resolution 27/7 of 2014, the Special Rapporteur on the human rights to safe drinking water and sanitation, Mr. Léo Heller, was mandated to work on identifying challenges and obstacles to the full realisation of the rights, as well as protection gaps, good practices and enabling factors. He was also asked to monitor the way in which the human right to safe drinking water and sanitation is being realised throughout the world.