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Improved water source

Number of people without access to an improved water source, 2020

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.[1]

The term was coined by the Joint Monitoring Program (JMP) for Water Supply and Sanitation of UNICEF and WHO in 2002 to help monitor the progress towards Goal Number 7 of the Millennium Development Goals (MDGs). The opposite of "improved water source" has been termed "unimproved water source" in the JMP definitions.

World map for SDG 6 Indicator 6.1.1 in 2020: "Proportion of population using safely managed drinking water services".

The same terms are used to monitor progress towards Sustainable Development Goal 6 (Target 6.1, Indicator 6.1.1) from 2015 onwards.[2] Here, they are a component of the definition for "safely managed drinking water service".

  1. ^ "WHO / UNICEF Joint Monitoring Programme (JMP) for Water Supply and Sanitation". JMP website, WHO - UNICEF. Geneva, New York. June 10, 2012. Archived from the original on June 6, 2012.
  2. ^ "Progress on Drinking Water, Sanitation and Hygiene. 2017 update and SDG baselines". Geneva: World Health Organization (WHO) and the United Nations Children’s Fund (UNICEF). 2017. p. 8.

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