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This initiative “Wastewater: from Waste to Resource” is supported by the Global Water Security & Sanitation Partnership (GWSP) and the Public-Private Infrastructure Advisory Facility (PPIAF). Last Updated: Apr 01, 2020. “Wastewater: from waste to resource”. A regional Initiative that aims to shift paradigms.
WASHINGTON, March 19, 2020—The world’s wastewater – 80 percent of which is released into the environment without adequate treatment – is a valuable resource from which clean water, energy, nutrients, and other resources can be recovered, according to a World Bank report released today to mark World Water Day.
A new World Bank guide, Wastewater Treatment and Reuse: A Guide to Help Small Towns Select Appropriate Options, delves into the considerations for small town wastewater treatment. Targeting engineers and managers responsible for wastewater service provision, the guide provides an outline for identifying and selecting appropriate wastewater treatment processes for these types of settlements.
Provision of wastewater services to the urban poor has been impressive with open defecation now eliminated. Access to toilets is now 94 percent1, with 90 percent of households using septic tanks as a means of on-site treatment.2. 60 percent of households dispose of wastewater to a public sewerage system, primarily comprising combined systems.3.
By 2009, the city of Bogotá discharged all of its wastewater into the Bogotá River, and since only 20 percent of it received primary treatment, levels of water pollution were high. Because of degraded water quality, the total area of wetlands — an important ecosystem for flood prevention — decreased from 50,000 hectares in 1950 to only ...
In addition, 2020 records show that 24% of wastewater treatment plants managed by ONAS were operating above their hydraulic capacity. To address these challenges, and with technical support from the International Finance Corporation (IFC), a member of the World Bank Group focused on the private sector, the Tunisian Government has encouraged ...
The wastewater collection system has collapsed, and the wastewater treatment plant stopped functioning in 2004 due to lack of maintenance. Working closely with the government, GWSP helped the government consider innovative methods for collecting and treating wastewater, such as simplified sewerage systems that are built and operated in ongoing ...
† a total of approximately 1700 decentralized wastewater treatment systems (DEWATS) constructed countrywide with another 4,000 DEWATS systems planned to be imple-mented by 2015; 1 Note that in the context of Indonesia, sanitation covers wastewater management, solid waste and urban drainage. 2 The National Development Planning Agency.
Wastewater treatment facilities were also highly degraded and, in many cases, nonoperational, resulting in the pollution of surface water resources, such as the Zaravshan river. Outside of Uzbekistan’s large cities, up to 30 percent of water supply was non-compliant with national quality standards.
Piping wastewater under land and sea creates an environmentally safe disposal system north of Tunis and cleans up beaches. Thus, samples of seawater show 96% met the levels of bacteria that health authorities view as safe and 97% complied with safe concentrations of detergents. Expanding the availability of treated wastewater for farming as ...