Perspectives are different frameworks from which to explore the knowledge around sustainable sanitation and water management. Perspectives are like filters: they compile and structure the information that relate to a given focus theme, region or context. This allows you to quickly navigate to the content of your particular interest while promoting the holistic understanding of sustainable sanitation and water management.
This factsheet describes the use of intermittent sand filters (ISF) for decentralised wastewater treatment, including the different types of intermittent sand filters, their advantages and disadvantages, performance, applicability, operation and maintenance, and cost.
EPA (1999): Wastewater Technology Fact Sheet - Intermittent Sand Filters. Washington D.C.: United States Environmental Protection Agency (EPA) URL [Accessed: 06.09.2012]