Sustainable water and sanitation solutions for urban cities

As the rapid urbanization continues to shape the landscape of cities in Kenya, there is an increasing demand for sustainable water supply and sanitation solutions. The deficiencies in water supply, sanitation services, and treatment of wastewater in cities like Nairobi have prompted organizations like Athi Water Works Development Agency to take proactive measures to address these challenges. In a recent interview with CNBC Africa, Joseph Kamau, CEO of Athi Water, shared insights on the measures being implemented to ensure infrastructure development keeps pace with the growing demand. Currently, Nairobi faces a supply deficit of about 140,000 cubic meters per day for the wider metropolitan region. To bridge this gap, Athi Water has completed critical projects like the Northern Collector bulk water transmission system and the Karimenu system, which are collectively delivering approximately 210,000 cubic meters to Nairobi and surrounding towns. The agency is also focusing on enhancing water and sanitation services in peri-urban areas to cater to the needs of communities. On the sanitation front, Athi Water is committed to improving systems in Nairobi and neighboring regions like Kikuyu. Initiatives such as the water-borne sewerage system and planned sewerage investments in various regions underscore the agency's dedication to enhancing sanitation infrastructure across urban areas. With strategic partnerships and financial support from the African Development Bank, Athi Water has implemented projects like the Nairobi Rivers Sewerage Improvement Project Phase 2, involving an 8 billion shillings investment. This initiative aims to double the capacity of the Dadora Wastewater Treatment Plant and improve effluent transmission in northern Nairobi regions. Additionally, around 200,000 households have been connected to sewerage networks in Nairobi, demonstrating significant progress in expanding sanitation services. Despite challenges like water rationing in certain areas like Dandora, Athi Water's infrastructure investments have significantly improved water distribution, leading to more reliable water supplies for residents. Looking ahead, Kamau outlined Athi Water's long-term strategy for climate-resilient water and sanitation infrastructure in Nairobi. The agency is working closely with the national government to implement programs securing water supply and sanitation services in regions like Dika and Gedugori, ensuring access to 80 million liters daily. Projects like the Maragwa Dam development and upcoming sanitation improvement initiatives in Nairobi signal a comprehensive approach to addressing the evolving needs of urban areas. Athi Water is also focusing on the western zones of Nairobi, with plans for water supply and sewer network expansions in areas like Kiambu, Kiabar, and Gatamayo. By leveraging public-private partnerships and innovative technologies, the agency aims to enhance wastewater treatment plants for efficient material and energy recovery. These sustainable solutions align with Athi Water's commitment to mitigating the effects of climate change through resilient water infrastructure and sanitation systems, positioning the agency as a key player in shaping the future of urban water management in Kenya.