tap water

noun
  1. 1

    Water that has come from a tap.

    โ€œWe have only tap water to drink.โ€

  2. 2

    State of having water available from taps.

    โ€œAlthough we lived in the city, we didn't have tap water.โ€

Source: https://en.wiktionary.org/wiki/tap%20water