The report ‘Towards a Worldwide Assessment of Freshwater Quality’ lays out a possible roadmap for a full World Water Quality Assessment.

Reference: UN-Water 2016. Towards a Worldwide Assessment of Freshwater Quality. A UN-Water Analytical Brief. UN-Water, Genève, Switzerland. 36pp.

The purpose of the Analytical Brief is to serve as a basis for discussions related to UN-Water's areas of focus, see also this webpage.