Overview Alexandria, Egypt is a coastal city shaped by water but constrained by freshwater scarcity. Located on the Mediterranean coast at the western edge of the Nile Delta, Alexandria depends overwhelmingly on Nile-derived surface water. This dependence creates a fragile urban water system. Freshwater must travel through canal infrastructure before […]
Water Reuse
Decentralizing Water in Brisbane: A Household Greywater Strategy for Urban Resilience
Overview and Background Few cities are shaped by water as profoundly, or as paradoxically, as Brisbane. The city exists in a constant cycle of extremes: flood and drought, abundance and scarcity, panic and complacency. In some years, water arrives with devastating force, swallowing streets, homes, and entire neighborhoods. In others, […]
Decentralized and Sustainable Drinking Water System for Kibera, Nairobi
Executive Summary Kibera faces interconnected water challenges shaped by limited infrastructure, informal settlement, and unequal service provision. Water scarcity, poor water quality, flooding and fragmented governance structure all reinforce each other, making everyday access to safe and affordable water difficult for many residents. In response, this proposal presents an integrated […]
Uniting for Water: Regional Groundwater Management for Flagstaff, Arizona and Beyond
Nestled at the base of the San Francisco Peaks in northern Arizona, Flagstaff is a city renowned for its natural beauty, vibrant community, and unique location along the Colorado Plateau. Beneath this picturesque landscape lies the Coconino Aquifer (C-aquifer), a vast groundwater resource spanning four states and two tribal nations. […]
Reclamagua: A Wastewater Reuse Policy for Tenerife, Spain
Context Tenerife, Spain, is the biggest island in the Canary chain off the Western coast of Africa. The Canaries’ volcanic origins mean their geography is quite diverse from island to island, but their warm climate, beautiful beaches, and diverse landscapes make them a popular tourist spot (1). However, the very […]
Neighbourhood-scale Treatment Wetlands to Address Wastewater and Flood Management Challenges in Saint Louis, Senegal
Saint Louis is a West African municipality that experiences water delivery and wastewater management challenges. These challenges largely stem from the national water utility’s inability to keep up with the pace of urban growth and provide adequate service for all residents. Due to its geographic location, the city also experiences […]
Reclaiming the Future: Enhancing Wastewater Management on the Hopi Reservation
Fig. 1 – Sipaulovi, Second Mesa, the Hopi Reservation. Source: David Wallace / The Republic. The Hopi Reservation The Hopi Reservation, located in northeastern Arizona, is home to the Hopi Tribe, a sovereign nation. The Reservation, surrounded on all sides by the Navajo Nation, is made up of 12 villages […]
WATER RECYCLE/ REUSE SYSTEMS FOR A RESILIENT SENDAI, JAPAN
Abstract Sendai – A City at Risk Sendai, a bustling metropolis nestled along Japan’s picturesque coastline, is a city intimately acquainted with the capricious nature of its environment. Earthquakes, tsunamis, and floods are recurring threats, leaving an indelible mark on the city’s history and infrastructure. The Great East Japan Earthquake […]
A Three-Pronged Approach for Subsidence in Queretaro, Mexico
Background The city of Queretaro is the capital of the state of Queretaro, located in central Mexico. About 200 km northwest of Mexico City, Queretaro has an arid to semi-arid climate with an average yearly temperature around 70°F and a yearly precipitation of only 374.6 mm (Comision Nacional del Agua, […]
Easing Extraction: A Proposal for Demand-Side Management in Alice Springs, Australia
Physical Geography Alice Springs, known as Mpartnwe to its original inhabitants, is a city of nearly 26,000 inhabitants in the Northern Territory of Australia. It is the largest city in the arid desert region of Central Australia and the third largest city in the Northern Territory. It receives on average […]