Dataset

Wastewater coverage in megacities (2016)

Wastewater, Water Treatment, and Sewerage WaterGlobalUNESCO Intergovernmental Hydrological Programme (IHP)

Dataset Objective

To map out wastewater coverage, sewerage connections and treatment plants in megacities around the world.

Context

This study is part of UNESCO-IHP and ARCEAU, 2016: Water, megacities and global change conducted in 15 cities of the world.

What is included

Data consists of: geographical details, number of inhabitants (in millions), number of main wastewater treatment plants, total capacity in dry weather, length of sewage network, percentage of households connected to the sewage network, proportion of wastewater treated with a preliminary treatment and/or marine outfall and proportion of wastewater treated with and advanced treatment. Cities: Buenos Aires, Mexico City, Los Angeles, New York, Chicago, Manila, Tokyo, Seoul, Beijing, Mumbai, Istanbul, London, Paris, and Lagos.

Collection Methods

Data is obtained through surveys and monitoring.