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An improved drinking-water source is defined as one 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.〔WHO and UNICEF (definitions of improved drinking-water source on the JMP website ), WHO, Geneva and UNICEF, New York, accessed on June 10, 2012〕 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: * Piped water into dwelling〔WHO and UNICEF (types of improved drinking-water source on the JMP website ), WHO, Geneva and UNICEF, New York, accessed on June 10, 2012〕 * Piped water into yard/plot〔 * Public tap/standpipes〔 * Tubewell/boreholes〔 * Protected dug wells〔 * Protected springs (normally part of a spring supply)〔 * Rainwater collection〔 * Bottled water, if the secondary source used by the household for cooking and personal hygiene is improved〔 Water sources that are not considered as "improved" are: * Unprotected dug wells〔 * Unprotected springs〔 * Vendor provided water〔 * Cart with small tank/drum〔 * Bottled water, if the secondary source used by the household for cooking and personal hygiene is unimproved〔 * Tanker-truck〔 * Surface water〔 ==References== 〔 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「improved water source」の詳細全文を読む スポンサード リンク
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