En Inglés: se fue el agua, no hay agua, no tengo agua.

How to say in a colloquial way when the water service is cut off because a piece of equipment is being repaired, replaced , etc.

The water went off.

I have no water.

There's no water.

The water went off today, so I resorted to taking a bucket bath.

On Youtbe:

Source: https://www.youtube.com/watch?v=wW4lvPDs60Y