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72-hour water baseline
This is the government drinking-water baseline only. More water is needed for cooking, washing and other tasks.
EXPLORE WATER / 72 HOURSGET THE PLAN — £4.99Example: 2 people × 3 litres × 3 days = 18 litres of drinking water.
What this number means
The baseline is not a target for stockpiling or a prediction that services will fail for three days. It is a simple planning quantity for short-term disruption.