This book presents a report on a study conducted in a wastewater treatment plant at Hawassa University Referral Hospital. It aims at reviewing the design, configuration, effectiveness & quality of effluent discharged into lake Hawassa. The concern was to ensure full protection of lake hawassa. Hawassa City is one of the largest tourist attraction cities in Ethiopia where the lake is used as the heart of the the citys tourism industry in the form of recreation, fishing and many other public uses by villages located downstream. The study pointed out an overall acceptable treatment...