随着上海市农村生活污水治理进程的推进，横沙乡已于“十三五”期间完成农村生活污水治理全覆盖工作，对改善村容村貌和水环境质量发挥了重要的作用。但是，面对新形势、新要求，横沙乡农村生活污水治理模式亦面临着一些问题和困难。本文全面调研了上海市崇明区横沙乡农村生活污水现状，并综合分析了横沙乡现有分散式农村生活污水处理设施在应用过程中存在的问题，包括污水收集管网系统的不完善以及现用各污水处理工艺的局限性。在此基础上提出了相应的对策建议，可为后续平原水网地区农村水环境治理提供参考。
With the promotion of the process of rural domestic sewage treatment in Shanghai, Hengsha Town-ship has achieved the goal of rural decentralized sewage treatment facilities construction goal dur-ing the “13th Five-Year Plan” period, which has played an important role in improving the appear-ance of villages and the quality of the water environment. However, in the face of the new situation and requirements, the rural domestic sewage treatment mode in Hengsha Township is also facing some problems and difficulties. This paper comprehensively investigated the current situation of rural domestic sewage in Hengsha Town, Chongming District, Shanghai. And the problems existing in the distributed rural sewage treatment facilities in Hengsha township were analyzed and consid-ered comprehensively, including the imperfection of the sewage collection network system and the limitations of the existing sewage treatment processes. On this basis, the corresponding optimiza-tion suggestions are put forward, which can provide reference for the subsequent rural water en-vironment management in plain water network areas.
