History of water supply The first water treatment plant of Xi an, taking ground water as its source, Was established in oct of 1952 The plant supplied water for the city with a capacity of 3182 20 m /day. y, .Fineprintpdffactory......pdfhttp://www.fineprint.com3 History of water supply The first water treatment plant of Xi•an, taking ground water as its source, was established in Oct of 1952. The plant supplied water for the city with a capacity of 3182.20 m3 /day. • FinePrint pdfFactory •••••• PDFhttp://www.fineprint.com