City secondary water supply, "dead" with everyone over here – water su
Now Water Pollution Has become a topic of common concern, while the second water supply during water safety problems, it is the widespread phenomenon of urban water pollution. Secondary water supply is city water supply network, because the pressure of municipal water supply network is not enough, tend to make the municipal water supply pipe network through the second after the supply pressure to enhance the user, generally more than six high-rise building in the use of water supply facilities, secondary water supply to become more high-rise housing in major urban water supply mode, compared to the raw water supply, water quality of secondary contacts with the outside world more and more vulnerable to pollution, out of Drinking water Safety concern and understanding of the secondary water supply, residents Safe drinking water Queries and complaints are increasing. Learned from the health supervision departments: Compared with the previous, the second water supply on the increasing trend of complaints, people on the water Environment Protection awareness and awareness of safe drinking water has been strengthened.
Issues: Secondary water supply Water tank Pathogenic microorganisms breeding will
After the secondary pollution of water supply, is the most prone to micro-organisms, because the water inside the storage tank in the secondary water supply, stored in a long time after the amount of disinfectant inside it even more and no less. Because the reasons for poor management, some secondary water reservoir is not the lid, closed is bad, there are a lot of dust. Therefore, the second water tank is easy to become a breeding ground for microorganisms, in this case, the phenomenon of excessive microbial relatively more. Excessive microbial pathogens may result in some.
Tank cleaning not, people's knowledge
According to analysis, more urban residential communities in the country do not know the water tank is not cleaned, the property when the rinse water tank, rinse the number of second-rate issue. It is understood that water transport out of the water plant is disinfected in strict accordance with national requirements, water quality is qualified, but because of pipeline pressure and the unit stored at all in a dynamic process, thus resulting depletion of residual chlorine, must continue to add medications to prevent contamination of microbial water quality.
Reasons: Part of the old district of secondary water supply facilities
According to analysis, the current security risks of secondary water supply facilities exist, one is still more than half of the city units are still using the old roof pool, the pool, if not promptly cleaned, the water storage for too long, resulting in declining water quality. Second, old residential facilities for the old, rusty pipes, old facilities, the transformation of these financial difficulties they encountered problems. Currently, the residents complained of secondary water supply appeared mainly in water color, smell and other unexpected incident, such complaints can account for 40%.
Law does not sound management responsibilities are not clear Zhao
Ministry of Health Director dated towards that, because the law is not perfect, and the secondary water supply is a multi-sectoral management, with the result that we stood in terms of secondary water supply is actually not very clear. Another aspect is the management of the responsible party is not clear, is managed by the property or the property management unit, are not clearly specified, there are a number of earlier buildings were built before the advent of commercial housing, now there is no property and property rights units, which often make a regulation of any kind of secondary water supply problem has become.
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