Experiences of Budapest Waterworks with state, municipal ownership structures and with the involvement of private funding
This journal author post covers some key points of a case study of Budapest Waterworks during changes of ownership and funding, considering the pros and cons of private funding and of Public Private Partnership projects in the water sector.
Additional Resources for Guidelines for Using Activated Sludge Models (ISBN: 9781843391746)
This page provides additional material to complement Guidelines for Using Activated Sludge Models (part of the Scientific and Technical Report series) by the IWA Task Group on Good Modelling Practice. These resources are designed to assist Good Modelling Practice (GMP) in activated sludge modelling and include case studies, spreadsheets with error-checked Gujer Matrices and various modelling tools in spreadsheet format.
Measuring Willingness-to-Pay for Water and Sanitation by People Living with HIV and AIDs in South Africa
Journal author Dr Ephias M. Makaudze outlines the significance of his studies into the importance of clean water and safe sanitation to people living with HIV and AIDs in South Africa, where rising urban slum population increasingly strains the resources of local municipalities.
Annex 1 for Arsenic Contamination in the World
Annex 1 is a summary database which provides supplementary material for content in Susan Murcott's book, Arsenic Contamination in the World: An International Sourcebook (2012).
Transboundary water politics as processes: the ‘circle of hydro-hegemony’
In a time of global political disenchantment, author Filippo Menga shares his opinion on the politics of water.
A new approach for studying the operation of a secondary sedimentation tank (SST)
Lucio Pezza, expert on the management, control and maintenance of water and wastewater treatment plants, covers some key concerns of his new article on the operation of secondary sedimentation tanks (SSTs).
The Zika virus: we should expect more like it!
Robert Armon, author of the comprehensive book: Environmental Aspects of Zoonotic Diseases (2012), sheds light on the global problem of flaviviruses such as Zika. He notes that this recently publicised disease is just one example of many severe viruses that could flourish in the right environmental conditions.
Supplement to Impacts of Climate Change on Rainfall Extremes and Urban Drainage Systems
This electronic supplement was originally hosted on the WaterWiki page. It accompanies the IWA publication Impacts of Climate Change on Rainfall Extremes and Urban Drainage Systems.
Costing Improved Water Supply Systems for Low-income Communities - Water Supply Costing Processor Tool
This free downloadable Excel-based costing tool is designed to be used with its manual which can be purchased...
Coagulation and Flocculation in Water and Wastewater Treatment
Coagulation and flocculation are an essential part of drinking water treatment as well as wastewater treatment. This article provides an overview of the processes and looks at the latest thinking.