A Guide for UK Parents.

As a parent, ensuring your baby’s health and safety is paramount. One common question many new parents face is: when can my baby drink tap water? In the UK, tap water is generally safe for consumption, but it’s important to understand the appropriate age and circumstances under which it can be introduced to your baby’s diet. This blog will help clarify when and how to safely offer tap water to your little one.

Is Tap Water Safe for Babies in the UK?

The good news for UK parents is that tap water is of high quality and safe to drink. The water undergoes rigorous testing and meets stringent standards to ensure it’s free from harmful contaminants. However, despite its safety, there are important considerations regarding your baby’s age and dietary needs.

When Can Babies Have Tap Water?

For babies under 6 months: Tap water should not be given to babies under 6 months of age unless it is boiled and cooled first. This precaution ensures the water is free from bacteria or impurities that may affect an infant’s still-developing immune system. Typically, babies under 6 months receive all the hydration they need from breast milk or formula, so water isn’t usually necessary.

After 6 months: Once your baby reaches 6 months and begins eating solid foods, you can introduce small amounts of water alongside their meals. At this stage, tap water is safe to drink without boiling, provided it’s from a reliable source (such as mains water) and not from private or untreated supplies. Always ensure the water you provide is at room temperature or slightly cool.

Do not replace milk feeds with water: Even after 6 months, breast milk or formula should remain the primary source of hydration and nutrition for your baby. Water is supplementary and should not be given in excessive amounts, as it can interfere with nutrient absorption.

Should You Use Bottled Water?

In some situations, you might consider bottled water, such as when travelling. However, bottled water isn’t always ideal for babies due to its high mineral content, particularly sodium (salt) and sulphate. If you do choose bottled water, check the label to ensure the sodium (Na) content is below 200mg per litre and the sulphate (SO₄) content is below 250mg per litre.

For babies under 12 months, bottled water should still be boiled and cooled before use.

Key Tips for Giving Tap Water to Babies: 

1. Boil and cool for infants under 6 months: For babies not yet eating solids, boil tap water and let it cool before offering it to them.

2. Use clean, cold water for drinking: Always take water from the cold tap, not the hot tap, as hot water may contain higher levels of lead or impurities from plumbing.

3. Avoid flavoured or sugary drinks: Stick to plain water or milk for your baby to establish healthy habits and prevent tooth decay.

4. Monitor for signs of dehydration: Especially during warm weather or illness, watch for signs that your baby might need more fluids, such as dry nappies, a dry mouth, or unusual lethargy.

Conclusion: 

In the UK, tap water is a safe and reliable option for babies over 6 months old, while younger infants should only consume boiled and cooled water when necessary. As with any new addition to your baby’s diet, moderation is key, and breast milk or formula should remain the primary source of hydration during the first year of life.

By following these guidelines, you can confidently introduce tap water to your baby at the right time, ensuring they stay healthy, hydrated, and happy.