Management Options for Large Metropolitans on the Verge of a Water Stress

Karachi is the largest metropolitan area in Pakistan and houses about 14.91 million people (2017 census). It industrial hub financial capital of Pakistan, but unfortunately, it facing worst water crisis its history. bestowed with extensive resources, making use them requires a paradigm shift policy management. situation over period three decades, not due to shortage natural resources mismanagement on part planners managers, getting worse no imminent solution sight. The present additional drinking demand has been estimated be around 650 MGD (260+390) by Water & Sewerage Board (KW&SB). This study accesses availability surface i.e., Indus River, consideration requisite Karachi. There exists mechanism for transmission from River at Kotri Barrage. Being located tail Indus, Barrage (last barrage before outfall into sea) faces two extremes terms system availability: wet season (monsoon), happens mercy disastrous floods whereas, there extreme during dry months. In this paper, sustainable management plan devised managing needs throughout year. proposed recommends diversion flows (from being wasted sea), these have routed through stored already existing infrastructure KW&SB, Kalri Baghar Feeder Upper (KBFU) canal Keenjhar, Haleji, Hadero Lakes. A further scenario-based integrated reservoir operation presents optimal available storage capacities. addition, filling depletion storages also all analysed scenarios given environmental requirement downstream riparian irrigation indents KBFU system. Hence, action ensures meet Krachi Metropolitan. Doi: 10.28991/HEF-2022-03-03-06 Full Text: PDF