The charge or bill for water supply; the fee paid by households or businesses for water usage.
今月の水道代がいつもより高かったので、漏水を疑った。
This month's water bill was higher than usual, so I suspected a leak.
節約のためにシャワーの時間を短くして水道代を下げた。
To save money I shortened my shower time and reduced the water bill.
引っ越し前に水道代の支払い状況を確認しておこう。
Before moving, let's check the status of the water bill payments.