镇江新区城乡生活饮用水卫生现况分析

Hygiene Status of Drinking Water in Urban and Rural Areas of New District of Zhenjiang

目的掌握镇江新区城乡生活饮用水的水质卫生状况,为保障生活饮用水安全提供科学依据。方法对供应镇江新区城乡生活饮用水的5家自来水厂进行卫生建档,并对出厂水水质进行卫生监测与评价。结果市自来水公司水质卫生合格率为100%,乡镇自来水厂合格率为41.67%,不合格项目为浑浊度、铝、游离余氯、菌落总数、总大肠菌群等指标,城乡饮用水水质卫生合格率差异有统计学意义(P<0.01)。结论饮用水卫生与水源水质、生产工艺、使用的涉水产品、企业管理、是否超负荷供水等因素有关。镇江新区城乡饮用水水质卫生存在差异,农村饮水存在卫生安全隐患,建议实行区域供水,以确保饮水的卫生质量。

[Objective] To master the hygiene status of drinking water in urban and rural areas of new district of Zhenjiang, and provide evidence for ensuring the drinking water security.[Methods] Hygiene files of the 5 Waterworks that provided drinking water were set up, and the water quality was monitored and evaluated.[Results] The qualified rate of water from Zhenjiang Water Supply Company was 100% , that from township waterworks were 41.67%. Unqualified items were turbidity, aluminum, free residual chlorine, colony count and total coliform group, the difference of qualified rate between urban and rural areas was significant.[Conclusion] Water hygiene associates with source water quality, production technology, the use of the wading products, enterprise management, and water supply overloading. The difference of water hygiene exists in urban and rural water supply, and there are hidden dangers in rural water supply. It is suggested to implement regional water supply to ensure the hygienic quality of drinking water.