上じょう水すい

noun

water supply; tap water

Refers to the system of supplying clean water, or the water itself as provided through pipes. Often used in contrast with 下水 (sewage).

• この地ち域いきの上じょう水すいは地ち下か水すいを利り用ようしている。

  The water supply in this area uses groundwater.

• 上じょう水すいの水すい質しつ検けん査さが行おこなわれた。

  A water quality test of the tap water was conducted.