Web alarm clock for 3:07 p.m.
You are setting things out early so you can collect water once the supply returns, without scrambling for containers when the taps start running. Set the alarm for 3:07 pm, then place clean pails, jugs, and lids near the kitchen or outdoor tap. Label any container meant for drinking water, and keep it separate from those for washing. By 4:00 pm, you can have the collection area ready and the path to it clear.
Your water collection may take longer than expected, so keep this alarm page visible while you prepare. If you move to another browser tab, the alarm can remain active, but browsers may reduce activity on a page left in the background. Return shortly before 3:07 pm and check that the sound is enabled. Do not rely on this browser alarm for water collection if the page will be closed or the phone allowed to sleep, because the alert may not sound when you need it.
Let everyone at home know which containers are reserved and where they should queue if several people need the tap. At 3:07 pm in the afternoon, shared spaces may still be busy with schoolwork, cooking, or laundry. Keep buckets away from doorways, assign one person to watch the flow, and ask others to avoid opening another tap until the first containers are filled.