下水道
Meanings
1
Refers to the underground system of pipes and facilities for carrying off sewage and rainwater. Often used in municipal and engineering contexts.
The sewer system in this town is very old.
The sewer overflowed due to heavy rain.
Usage patterns
- 下水道を整備するto build/improve a sewer system
In this area, they are upgrading the aging sewer system.
- 下水道が完備しているto be fully equipped with a sewer system
This apartment building is fully connected to the sewer system.
- 下水道に流すto drain (something) into the sewer
Rainwater is drained directly into the sewer system.