World Health Organization (WHO)
The UN specialized agency for international public health, author of the water guidelines.
SDG 3 Good Health & Well-beingWhat is it?
The World Health Organization is the United Nations specialized agency responsible for international public health, including standards, guidance, and coordination on water, sanitation, and hygiene.
Why does it matter?
WHO’s normative work — especially the Guidelines for Drinking-water Quality — shapes national regulations and program design across most of the world.
How does it work?
WHO convenes expert panels, reviews evidence, publishes guidelines and technology evaluations, and supports member states in implementation and monitoring.
Who benefits?
Governments and programs that rely on WHO’s evidence synthesis, and the public protected by standards built on it.
Who may be disadvantaged?
As a member-state body, WHO depends on political consensus and funding, which can slow or constrain action; guidance is only as strong as local capacity to apply it.
What evidence exists?
WHO’s outputs are grounded in systematic evidence review and are widely cited in national standards and academic literature.
What tradeoffs exist?
Global authority and rigor come with bureaucratic pace and reliance on member-state cooperation.
Common misconceptions
WHO sets guidance and standards but generally does not directly regulate or operate water systems — that is national and local responsibility.
What you can do next
Read the WHO drinking-water guidelines node to see the concrete standard this organization authors.