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Improved water source

An improved water source (or improved drinking-water source or improved water supply) is a term used to categorize certain types or levels of water supply for monitoring purposes. It is defined as a type of water source that, by nature of its construction or through active intervention, is likely to be protected from outside contamination, in particular from contamination with fecal matter.

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Human right to water and sanitation

The human right to water and sanitation (HRWS) is a principle stating that clean drinking water and sanitation are a universal human right because of their high importance in sustaining every person's life.

UNICEF

UNICEF is an acronym for the United Nations International Children's Emergency Fund.

Water supply

Water supply is the provision of water by public utilities, commercial organisations, community endeavors or by individuals, usually via a system of pumps and pipes.

World Health Organization

The World Health Organization (WHO) is a specialized agency of the United Nations responsible for international public health.