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Dimension

Water

Reserves, purification, 72h+ autonomy. Water is the first vital priority.

Assessed questions

    How many liters of stored water per person per day, for 7 days?

    WHO recommends 3 L/person/day minimum.

    Which water purification methods do you have on hand?

    Do you know where the main water shut-off valve is?

    Do you have the tool to operate the shut-off valve (key, Allen wrench)?

    Do you know the local water outage risks (drought, freeze, pollution)?

    Can you fill the bathtub/containers (~200 L) when an alert is issued?

Recommendations

    1.
    bronze

    Store 3 L per person per day for at least 3 days (~90 L for a family of 4).

    Estimated cost: ~25

    2.
    silver

    Buy a Micropur tablet bottle (purifies 100 L for ~€15).

    Estimated cost: ~15

    3.
    gold

    Label your bottles and rotate stock every 6 months.

Material checklist

    Bottled water (90 L for 4 people / 3 days)~25
    Purification tablets (Micropur)~15
    LifeStraw / Sawyer filter~30

International resources

Adapted to your country

Emergency numbers, alert systems, official bodies. Select your country on the assessment page to customize.

Water — ResiHome library