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The Joint Monitoring Programme defines access to water supply and sanitation in terms of the types of technology and levels of service afforded (see boxes).
Access to water-supply services is defined as the availability of at least 20 litres per person per day from an "improved" source within 1 kilometre of the user's dwelling. An “improved” source is one that is likely to provide "safe" water, such as a household connection, a borehole, etc. Current information does not allow us to establish a relationship between access to safe water and access to improved sources, but WHO and UNICEF are examining this relationship.
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| definition of access for water supply |
Access to safe drinking-water is the percentage of the population using "improved" water sources.
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Improved
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Not improved
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> household connection
> public standpipe
> borehole
> protected dug well
> protected spring
> rainwater collection |
> unprotected well
> unprotected spring
> vendor provided water
> bottled water
> tanker truck water |
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