This consultancy constitutes the initial stage, to advance in an Environmental Quality Improvement Plan for the Bay of Iquique, since the products generated in this stage will be used in a later phase (in 2023), for the elaboration of an Environmental Quality Plan. Action and a proposal for a roadmap with steps to follow to advance in the improvement of the environmental quality of the Bay of Iquique and to generate the necessary inputs to elaborate the regulation proposal that allows improving or maintaining the quality of the waters and sediments of the Bay of Iquique. the bay of Iquique.