How to store water in an apartment

The under-bed strategy

A standard queen-size bed frame has roughly 7 to 8 inches of clearance. A WaterBrick 3.5-gallon container measures exactly 6 inches high. Six WaterBricks fit under a queen or king bed and hold 21 gallons — one person's two-week minimum supply, stored in space that previously held nothing.

WaterBricks stack interlocked in a cross-pattern when filled, up to five high, which keeps them stable. Under a bed they do not stack — they lie flat — but six containers across takes up the same footprint as the bed itself, which you are not otherwise using. They carry handles for individual removal, which matters when you need to rotate or access water without moving the whole setup.

At $30 to $40 per brick, six bricks represent $180 to $240 of infrastructure. That is the cost of a weekend out. For a two-person apartment, twelve bricks (42 gallons) under two beds covers two weeks at 1.5 gallons per person per day.

The closet strategy

Standard collapsible water containers store completely flat — the size of a folded towel — and expand to 2.6 to 5.3 gallons when filled. A closet shelf that holds two folded sweaters can hold six collapsible containers instead, representing 15 to 30 gallons of storage that disappears entirely when not in use.

The limitation of collapsibles is durability. Rigid HDPE containers outlast them for permanent storage. Collapsibles are the right answer for closet storage, travel kits, and any situation where the container needs to store flat until needed. Check seams before use and replace if any delamination appears.

A practical apartment setup pairs rigid WaterBricks under the bed for permanent rotation with collapsible containers in a closet for additional capacity and grab-and-go use.

The WaterBOB: the apartment household's emergency surge

A WaterBOB is a 100-gallon food-grade liner designed to fill a standard bathtub before a storm, utility outage, or boil water advisory. It stores flat in its box — about the size of a board game — and costs $30 to $40. When a disruption is forecast, you fill the bathtub through the WaterBOB's faucet attachment and have 100 gallons of clean water within an hour.

This is the apartment household's emergency surge capacity. It does not require permanent space, it does not strain a floor (bathtubs are structurally rated for far more than 834 pounds of water), and it provides enough water for a household of four for nearly two weeks at the 1.5-gallon planning rate.

The WaterBOB is not a rotation strategy — it is one-use, filled immediately before or after a disruption begins. The under-bed and closet storage are the baseline; the WaterBOB is the emergency buffer. Together they give an apartment household a more comprehensive water posture than most suburban homeowners with garages.

What to do right now

1. 1 Measure your bed clearance. If it is 6 inches or more, WaterBricks fit. If it is less, look at whether risers could add clearance or whether under-closet floor space is available.
2. 2 Start with four WaterBricks. Four bricks under the bed costs $120 to $160 and stores 14 gallons — a single adult's two-week minimum. Buy a four-pack; the per-unit price is better than individual purchases.
3. 3 Add a WaterBOB to your kit. It costs $30 to $40, stores flat, and provides 100 gallons when a storm or disruption is forecast. Buy it before you need it — they sell out during emergency preparation periods.
4. 4 Keep a portable filter in your kit. A Sawyer Squeeze or similar filter in a kitchen drawer extends your water options if stored water runs low — tap a neighbor's pool, a rain barrel, or a nearby creek in a genuine multi-week emergency.