“Yokohama Modern Sewerage Introduction 150 Years / Sewage Treatment Start 60 Years” I want you to know more about “Yokohama Sewerage” We will send out our efforts and appeal!

　The introduction of modern sewers in Yokohama was promoted by British engineer Blanton in a foreign settlement in Yokohama, and was started in 1869 and completed in 1871. 150 years have passed since the introduction of the modern sewerage system, the sewer penetration rate in Yokohama City has reached almost 100%, and the sewage treatment that has been continuing for 60 years has not only improved the sanitary environment but also rivers that have deteriorated due to high economic growth. And sea environment has also improved significantly.

　However, in recent years, the social situation surrounding the sewerage business has changed drastically, such as preparing for frequent heavy rains and efforts to realize a decarbonized society, and the importance and role as an infrastructure supporting cities has become even stronger. I am.

　Therefore, in the milestone year of "Yokohama Modern Sewerage Introduction 150 Years / 60th Anniversary of Sewage Treatment", we will capture various events and opportunities to disseminate information on the importance of sewerage that continues to support the lives of cities and people, as well as efforts to create safe and secure towns, such as measures against flooding and aging, and challenges to a decarbonized society.