Choose and prepare a suitable container
Use a clean, durable container intended for drinking water, with a close-fitting lid and an opening that can be kept protected. Do not reuse containers that held fuel, pesticides, cleaners or other chemicals.
Clean and sanitize containers only according to local public-health guidance or the container instructions. If the container has cracks, a damaged lid, residue or an unknown history, choose another one.
Keep hands and utensils out
Use a container with a tap or pour from a protected opening. Do not dip hands, cups or ladles into stored water; they can carry dirt back into the supply.
Keep the lid on between uses. Do not top up an old container with fresh water without cleaning it, and keep separate containers or utensils for drinking water.
Store water away from heat and chemicals
Place containers in a clean, cool, shaded spot away from direct sun, fuel, cleaning products, drains, animals and pests. Make sure the area does not flood or collect standing water.
Label containers clearly so drinking water is not confused with water for cleaning. If you treat water at home, keep the treatment date and follow local advice on how long it should be stored.
Remember that storage is not treatment
A clean container cannot make questionable source water safe. Treat or store water only according to a method recommended for that source, and keep following any current local advisory.
If the water changes in appearance or the container is damaged or contaminated, do not rely on storage alone. Contact the local water authority or a qualified laboratory for advice on testing and next steps.
Frequently asked questions
Can I store water in any clean-looking bottle?
No. Use a container intended for drinking water with a secure lid. Never reuse a container that held fuel, pesticides, cleaners or unknown chemicals.
Should I keep water containers in the sun?
No. Store them in a clean, cool, shaded place away from direct sunlight and chemicals, with the lid closed between uses.
How many days can stored water be kept?
There is no one storage period for every source and container. Follow local public-health advice and the instructions for your treatment method and container.
Sources and further guidance
Related water guides
- How should I clean a home or office water dispenser?
Use the dispenser maker’s cleaning steps and product directions. A clean appliance does not verify the source water.
- What should I know about water for babies and formula?
Follow the formula instructions, local water advisories and advice from your baby’s doctor. Water needs can depend on the source and product.
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