Water supply

https://www.wikidata.org/wiki/Q1061108

Field Hierarchy

Parent
Engineering 25M papers	Environmental science 8.8M papers	Environmental engineering 971k papers	Hydrology 2 papers
Current
Water supply 54.5k papers
Child
Water industry 3,692 papers	Open defecation 3,398 papers	Water sector 2,411 papers	Water infrastructure 1,695 papers
Improved sanitation 1,422 papers	Water utility 1,200 papers	Water supply network 988 papers

Trends

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History