Domestic Wastewater Treatment Methodology 2024
This document details the methods used by WHO for monitoring safely treated domestic wastewater flows, as part of SDG indicator 6.3.1.
The document describes the data sources which are compiled by World Health Organization (WHO), and the calculations of volumes of household wastewater which are collected in sewers and septic tanks, delivered to treatment, and receive adequate treatment to be classified as ‘safely treated’.
Explore the progress on the proportion of domestic and industrial wastewater flows safely treated here. This report presents the global status on wastewater treatment and acceleration needs to achieve target 6.3 by 2030, based on the latest data on indicator 6.3.1 (total wastewater flows as well as flows from industrial sources and households).
UN-Water Publications
UN-Water’s publications can be divided into two main groups: the publications that represent all Members and Partners of UN-Water – the collective products – and the publications that are under the UN-Water umbrella but produced by groups or individual UN-Water Members and/or Partners – the related products.