›› 2011, Vol. 23 ›› Issue (3): 229-231.doi: 10.3969/j.issn.1004-616x.2011.03.018

• 检测研究 • Previous Articles     Next Articles

Monitoring results and analysis of the quality of secondary water supply in Yinchuan city during 2007-2009

HU Ming-ming，MA Qi-ling，ZHANG Ju-hui，ZHANG Ju-hong，ZHANG Yue-ming   

  1. The Center for Disease Control and Prevention in Yinchuan, Yinchuan 750001，Ningxia, China
  • Received:2010-10-20 Revised:2011-01-25 Online:2011-05-30 Published:2011-05-30
  • Contact: HU Ming-ming

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Abstract: 9/j.issn.1004-616x.2011.03.018 【ABSTRACT】 OBJECTIVE: Understanding the quality of secondary water supply for the development of targeted scientific basis in Yinchuan city. METHODS： The secondary water supply test data， analysis and evaluation were collected from 2007 to 2009. And using site visit and questioning， the secondary water supply unit sanitation and its management were also investigated. RESULTS：The quality of the 3 years’ secondary water supply had an overall pass rate of only 43.1%，mainly due to turbidity， iron， free residual chlorine and other projects exceeded. CONCLUSION： The unqualified terminal water supply， unreasonably designed secondary supply facilities，poor oversight and management were the main reasons for the unhealthy water quality of secondary water supply.

Key words: secondary water supply, water sanitation, analysis