本研究对成都市大型宾馆高位水箱二次供水水质状况进行了调查研究。研究表明，成都市大型宾馆二次供水水质状况良好；不同材料水箱对二次供水水质无明显影响，但铁质水箱存在铁析出的可能 This study investigated the water quality of secondary water supply in high water level of large hotels in Chengdu. The research shows that the water quality of the secondary water supply of the large hotels in Chengdu is in good condition; the water tanks of different materials have no obvious influence on the secondary water supply, but the possibility of iron precipitation exists in the iron water tank