Points to note when drawing tap water

If the water supply becomes unusable due to a natural disaster or power outage, it is also a good idea to prepare a container for tap water, but please keep the following in mind when collecting and storing it.

1 How to put it in place Fill a clean container with a lid with water up to the mouth.
2 Storage period for storage Avoid direct sunlight, 3 days at room temperature, 10 days in the refrigerator.
3 Approximate amount of kumioki 3 liters per day per adult

(For details, please see "Points to note when storing water" on the Tokyo Metropolitan Bureau of Waterworks website (external link) .)