上じょう下げ水すい道どう

noun

water and sewer services; water supply and sewerage

Refers to the combined public utility systems for water supply (上水道) and sewerage/drainage (下水道). Often used in administrative, municipal, and infrastructure contexts.

• この地ち域いきの上じょう下げ水すい道どうは市しが管かん理りしています。