Household water planning system

Household Water Plan Worksheet

Record a usable water baseline, then make it realistic by accounting for added needs, container weight, storage locations, rotation, and a verified refill path.

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

1. Calculate

Use household-specific inputs.

2. Verify

Check labels, manuals, and local guidance.

3. Practice

Confirm the plan works before an outage.

Step 1

Define the household and time window

The CDC planning baseline is at least one gallon per person per day for three days, with a two-week supply encouraged when possible. It is a starting point, not a promise that every medical, pet, heat, cooking, or hygiene need is covered.

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

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

Next action

Verify the numbers behind this plan.

Methodology reviewed July 26, 2026.