A New Wastewater Collection and Treatment System in Senegal Location: Dakar, Senegal Hazen and Sawyer worked with a team of local subconsultants to perform a study and provide conceptual design for a new wastewater treatment plant in Dakar, Senegal. Using the results from the detailed evaluation, Hazen and Sawyer selected the most feasible and desirable treatment, collection, and discharge alternatives for the project. Project Outcomes and Benefits Characterization of wastewater inuent and determination of average, minimum, and peak ows. Treatment plant site selection on the basis of physical, environmental, political, and social factors. Determination of treatment, collection, and discharge alternatives for the project based on expected performance and eectiveness, capital and operatin

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