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Just published – French language versions of WHO guidance for small drinking-water supplies
Guidelines for drinking-water quality: small water supplies
Publications and documents
All →Key ingested per- and poly-fluoroalkyl substances (PFAS) and their health effects: landscape review
The World Health Organization (WHO) commissioned a landscape review to systematically collect and assess available data sources on PFAS occurrence and...
Guidelines for drinking-water quality: fourth edition incorporating the first, second and third addenda
The fourth edition incorporating the first, second, and third addenda of the World Health Organization’s (WHO) Guidelines for drinking-water quality...
WHO international scheme to evaluate household water treatment technologies: results of Rounds III and...
This report presents the performance results of 21 household water treatment (HWT) products evaluated in Rounds III and IV of the WHO International Scheme...
WHO water, sanitation, hygiene and waste strategy 2026-2035
Unsafe water, sanitation and hygiene (WASH) still drive at least 1.4 million preventable deaths each year, while climate shocks, outbreaks, migration...
News
All →Drinking-water quality: a roadmap
WASH annual report
WHO global water, sanitation and hygiene: annual report 2024
The WHO Results Report 2024–2025 indicates that global access to safely managed drinking-water services rose from 71.0% in 2018 to a projected 87.3%...
WASH Strategy
WHO water, sanitation, hygiene and waste strategy 2026-2035
Unsafe water, sanitation and hygiene (WASH) still drive at least 1.4 million preventable deaths each year, while climate shocks, outbreaks, migration...
WASH reflections series
A lake in Tadjikistan
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