Rivers and sewers
What's New
- March 11, 2024At the Infrastructure Maintenance Grand Prize sponsored by the Ministry of Land, Infrastructure, Transport and Tourism, sewerage initiatives won the Excellence Award!
- February 26, 2024Tsuzuki ward organization 30th anniversary project design manhole has been set up!
- January 15, 2024The pamphlet "Yokohama Sewer" has been renewed for the first time in four years! ! !
- December 21, 2023At the 60th Sewerage Research Presentation held in Sapporo, our city staff won the Excellence Award!