Bids are hereby invited for the Appointment of a professional service provider for the development and implementation of integrated water quality management actions plans for the integrated Vaal River System for the period of 6 months. Scope: The overarching goal of the study contract is to: Develop harmonized, holistic and integrated water quality management strategy and thematic plans for implementation in the study area that would improve water quality, and secure continued fitness-for-use of water resources, in support of ecologically sustainable economic growth and social development. (Offre №114085161fr)