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.[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. ![]() 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". DefinitionsDuring SDG period (2015 to 2030)Indicator 6.1.1 of SDG 6 is "Proportion of population using safely managed drinking water services". The term "safely managed drinking water services" is defined as: "Drinking water from an improved water source that is located on premises, available when needed and free from fecal and priority chemical contamination".[2] In 2017, the JMP defined a new term: "basic water service". This is defined as the drinking water coming from an improved source, and provided the collection time is not more than 30 minutes for a round trip. A lower level of service is now called "limited water service" which is the same as basic service but the collection time is longer than 30 minutes.[2] Service levels are defined as (from lowest to highest): Surface water, unimproved, limited, basic, safely managed.[2]
During MDG period (2000 until 2015)To allow for international comparability of estimates for monitoring the Millennium Development Goals (MDGs), the World Health Organization/UNICEF Joint Monitoring Program (JMP) for Water Supply and Sanitation defines "improved" drinking water sources as follows:
Water sources that are not considered as "improved" are: ![]()
See alsoReferences
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