How Long Can I Store Tap Water in the UK?

Despite the fact that the UK has a sound supply of clean water , it is sometimes pragmatically necessary to store tap water:

• Emergency preparation – Flooding, broken pipes, or contamination problems may result in short-term disruptions to supplies.
• Camping and outdoor adventures – Carrying enough supplies of clean drinking water is required while hiking or on the road.
• Travel convenience – Carrying a personal stock of water avoids having to purchase bottled water on the road.
• Household backup – Some households prefer to keep a few litres of stored water in stock in case of disruption.

The response is determined by if the water is filtered, refrigerated, or frozen.

Stored in an airtight clean container at room temperature, the UK tap water will last up to 6 months. The addition of chlorine to the drinking water in the UK prevents it from developing bacteria while stored.

If filtered with a jug filter or reverse osmosis system , the best time to consume the water is within 1 to 2 weeks if it is stored in the fridge. That is because the filtration remove the chlorine, reducing the freshness time of the water.

Stored in an airtight container in the refrigerator, tap water will stay well for 2 to 3 weeks. Containers made of glass or steel are best to ensure long-term freshness.

This frozen substance is preserved at 6 to 12 months with little deterioration in the quality. It can be drunk indefinitely, but will be slightly variable in taste over time.

Several factors govern how long stored tap water is safe:

• Container material – Glass or stainless steel will keep the water fresher than plastic, which may leach chemicals .
• Storage temperature – Refrigerate in cool, dark storage. Warm storage promotes bacterial growth.
• Exposure to light – Sunlight encourages algae and bacteria to grow in stored water.
• First time to treat – First treatment of contaminated wastewater.

The tap water itself will never spoil, but stored tap water might become contaminated after long periods. Signs that the water is no longer safe are:

• Cloudiness or floating material.
• An unpleasant or odd odor.
• A characteristic change in taste.

If you notice any of these changes, it’s best to avoid drinking the water.

Related blog: Why Not to Drink Tap Water in the UK?

• Keep the water clean and safe through these best practices:
• Use food-grade storage such as glass bottles, stainless steel, or BPA-free plastic.
• Sanitize and sterilize bowls by filling them with water.
• Fill with filtered water to enhance quality and taste.
• Store in a dry, cool place away from direct sun and heat.
• Turn your supply every 6 months to get the best freshness.

Tap water in the UK is potable, but filtering can enhance stored water in the following ways:

• Safer to consume
• Fewer impurities
• Increased freshness

For families wishing to have cleaner, safer drinking water stored and used daily, upgraded filters may be ideal.

Bottled water will stay good in an unopened condition up to 2 years if stored in a dark and cool spot. After opening it, it must be used within a few days.

Yes, it is typically safe but might be stale-tasting since the chlorine will evaporate. Storing it in an airtight container avoids this.

Look for changed clarity, smell, or flavor. If the water is cloudy or has a strange smell, it is not safe to consume.

Boiling kills bacteria and viruses but will not kill chemicals or improve taste. Filtration is a preferable long-term safety choice.

Yes, it is in accordance with government safety standards. However, a filter will improve taste and reduce exposure to trace impurities.

How long is it possible to store tap water in the UK?

• Unfiltered tap water – 6 months in sealed bottles.
• Filtered water – Best within 1 to 2 weeks if refrigerated.
• Chilled water – Good for 2 to 3 weeks.
• Iced water – Good indefinitely, best in 12 months.

For best results, always keep your water in clean sealed containers and store your water in a dark, cool place. For cleaner and fresher water to store, pre-filter it with a reverse osmosis system. Good quality filters such as Waterdrop will ensure the water you consume is clean and safe.