Water Supply, Water Service, Waterworks, Aqueduct, Conduit, Water Line
noun
A water road carries your water supply. In the old days, these were called aqueducts.
すいどう
This is a jukugo word that uses the on'yomi readings of the kanji. You should be able to read this on your own.
一日も早く水道を直したいんです。
I want to fix the water supply as soon as possible.
この辺の水道の水は、人が口にして平気ですか？
Is it okay for people to drink the tap water in this area?
プールの中の水は、水道の水と雨水が大体半分半分です。
The water in the pool is about half tap water and half rainwater.