摘要
目的掌握德阳市集中式和小型集中式供水单位基本情况,以有针对性的加强饮用水卫生监督工作。方法制定调查方案,统一调查内容,培训调查人员,开展抽样调查。结果调查德阳市289家供水单位(集中式供水单位45家,小型集中式供水单位244家),饮用集中式和小型集中式供水人口占全市总人口的50.37%。其中18.34%的供水单位饮用水经完全处理,16.26%的供水单位未做任何水质处理,49.83%的供水单位消毒设备正常使用,69.13%的供水单位使用二氧化氯消毒饮用水,66.09%的供水单位在2011年进行了水质检验。结论德阳市集中式和小型集中式供水单位水质完全处理率低,需加强沉淀过滤、水质消毒等水处理,提高供水单位水质检验率。
Objective To investigate the basic situation of the centralized water supply units for pertinent surveillance work on drinking water hygiene. Methods Unified survey was conducted by trained investigators under previously formulated survey plan. Results A total 289 water supply units were surveyed, including 45 centralized units and 244 small-scale units, which altogether covered 50.37 % of the total population in the city. Water in 18. 34% of the units was treated completely and in 16. 26% of the units was not treat at all. The disinfection equipments in 49.83% of the units were in normal use; 69.13% of the units used chlorine dioxide for disinfection and 66.09% of the units conducted water quality test in 2011. Conclusion The rate of complete processing in the centralized water supply units is low and needs to be strengthened in aspects of precipitation and filtering, disinfection, etc. , and thus to elevate the qualified rate of water quality.
出处
《预防医学情报杂志》
CAS
2014年第11期969-971,共3页
Journal of Preventive Medicine Information
关键词
饮用水
基本情况
调查
drinking water
basic situation
investigation