Household water planning system

Household Water Plan Worksheet

Record your water amount, containers, storage spots, and refill plan.

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Calculate the water estimate

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  1. 1. Calculate

  2. 2. Verify

  3. 3. Practice

Step 1

Define the household and time window

The CDC baseline is at least one gallon per person per day for three days, with two weeks encouraged when possible. The 30-day row extends that arithmetic; it is not a CDC-stated target. Confirm medical, pet, heat, cooking, and hygiene needs separately. A 30-day baseline for four people is 120 gallons and weighs about 1,001 pounds as water alone before containers.

Water planning formulas by duration
DurationBaseline formulaUseYour gallons
3 days people × 3 Short baseline
7 days people × 7 One-week planning target
14 days people × 14 Longer target when practical
30 days people × 30 Arithmetic extension; plan safe storage or refills

Step 2

Document added needs instead of guessing

Household water adjustments
NeedPerson, pet, or conditionExtra gallonsSource or reason
Medical or pregnancy
Infant or formula
Pets
Hot conditions or exertion
Cooking or hygiene
Other

Step 3

Make the container plan liftable and reachable

Water alone weighs about 8.34 pounds per US gallon. A five-gallon container holds about 41.7 pounds of water before the container’s own weight. Split the supply into sizes the people who may need it can safely move and dispense.

Emergency water container inventory
ContainerCapacityCountFull weightLocationFilled / inspect date

Step 4

Verify storage, treatment, and refilling

Show the worksheet planning illustration
Illustrated household water planning workbench with varied water containers, a blank container worksheet, a pencil, tags, and a hanging scale

Next action

Keep this plan usable after today.

Review the source details, practice the setup, and update this copy as conditions change. Methodology reviewed July 26, 2026.