Home Blog Water Stewardship Is Bathroom Water Safe to Drink in the UK?

Is Bathroom Water Safe to Drink in the UK?

by Dr. Jonathan Doyle - Updated January 18, 2025
If you’ve ever been in a situation where you’re parched but only have access to water from the bathroom tap, you might have wondered, “Is bathroom water safe to drink in the UK?” In this blog post, we’ll dive into this important question and provide clarity on the issue. We’ll discuss the safety of bathroom water, the potential risks, and whether it differs from kitchen tap water in the UK.
Whether you’re staying in a hotel, travelling, or just curious about the water supply in your own home, this guide will give you the information you need to make an informed decision. Let’s get started!

The Truth About Bathroom Water in the UK

In the UK, tap water is generally considered to be one of the safest in the world. This includes water from your bathroom tap. However, while it is technically safe to drink, there are several factors that could affect the quality and taste of bathroom water compared to kitchen water.
a cup of water

Why Does Bathroom Water Sometimes Taste Different?

There are a few reasons why the water from your bathroom tap may taste different from the one in your kitchen. Here are the key factors:

Plumbing Configuration

In most homes, the plumbing system that supplies water to the bathroom may be different from that supplying the kitchen. While the same main water supply feeds both, the bathroom tap might be connected to a more complex or older plumbing system. This could result in a slightly different taste, though not necessarily harmful.

Hot Water vs. Cold Water

Bathroom taps often supply water that has been heated, especially if the tap is connected to the shower or bath. It’s crucial to note that hot water systems might not be as well-maintained as the cold-water supply, and hot water can pick up contaminants from the pipes that cold water doesn’t.
hot water from bathroom faucet

Water Standing in Pipes

If a bathroom tap isn’t used often, water can stagnate in the pipes, affecting both the taste and quality. In contrast, kitchen taps are usually used more frequently, so the water doesn’t have the same opportunity to stagnate.

Is Bathroom Tap Water Safe to Drink?

In general,yes,bathroom tap water is safe to drink in the UK. The water supplied to homes across the UK is regulated by the Drinking Water Inspectorate (DWI) to meet stringent quality standards. This ensures that the water you receive from any tap in your home, whether in the kitchen or bathroom, is safe for consumption.
However, there are a few important things to keep in mind:

Lead Pipes

If you live in an older home, it’s possible that the pipes leading to your bathroom could be made from lead. Lead is a toxic substance, and prolonged exposure can lead to serious health issues. If you suspect that your home may still have lead pipes, it’s advisable to get your water tested. Modern homes generally use safer materials like copper or plastic for water pipes.
older plumbing facilities

Bacteria from Stagnation

As mentioned earlier, water that sits unused in pipes can harbour bacteria. This is especially true for hot water systems. If water is left standing for long periods (e.g., in a seldom-used bathroom), harmful bacteria like Legionella (which can cause Legionnaires’disease) could potentially develop, although this is rare in properly maintained systems.

Water Heater Issues

If you have an older or malfunctioning water heater in your bathroom, it could be a source of contamination. Sediment build-up in the water heater or rust in the pipes can affect the taste and quality of your water. Ensuring regular maintenance of your water heater can help prevent these issues.

Can You Drink Bathroom Water During a Plumbing Issue?

If you’re experiencing a plumbing problem or water supply disruption, it’s advisable toavoid drinking the water, even if it’s from the kitchen or bathroom tap. During plumbing issues, such as repairs, water could become contaminated with debris or bacteria. Always check with your local water supplier if you’re unsure whether the water is safe to drink during such periods.
the woman is drinking water

What to Do If You’re Concerned About the Quality of Your Bathroom Water?

If you’re unsure about the quality of your bathroom water or if it tastes or smells off, here are some things you can do:

Flush the Pipes

If the bathroom tap hasn’t been used for a while, it’s a good idea to run the water for a minute or two to flush out any stagnant water in the pipes. This can help improve the taste and remove any lingering contaminants.

Test Your Water

If you’re concerned about the quality of your water, especially if you live in an older house, consider having the water tested for lead or other harmful substances. There are several companies in the UK that offer water testing services, and many water suppliers will provide free water quality testing if you request it.
test water quality

Consider a Water Filter

If you’re concerned about taste or potential contamination, installing a whole house water filter in your bathroom or kitchen could help. Many people opt forreverse osmosis water filters, which can reduce chlorine taste and other impurities, making the water more pleasant to drink.

Check for Maintenance Issues

Regular maintenance of your plumbing system is key. This includes checking for leaks, inspecting the condition of your pipes, and ensuring that your water heater is in good working order.

Can You Drink Water from a Hotel Bathroom?

If you’re staying in a hotel, you may wonder whether it’s safe to drink the water from the bathroom tap. Generally speaking, water from the bathroom taps in hotels across the UK should be safe to drink, as the water is supplied by the same mains system as your home. However, as with any public space, it’s always good practice to check with the hotel staff if you have any doubts or concerns.
this woman is sleeping in the bed

Conclusion: Is Bathroom Water Safe to Drink in the UK?

In summary, bathroom tap water in the UK isgenerally safe to drinkas it meets the same strict standards set by the Drinking Water Inspectorate. However, factors like plumbing age, standing water in pipes, and the condition of your water heater can influence the taste and quality. If you have concerns, it’s always a good idea to flush the pipes, maintain your plumbing, and consider installing a water filter.
Remember, if you live in an older house, check for lead pipes, and always stay informed about your water quality by reviewing your local water supplier’s reports. If in doubt, don’t hesitate to get your water tested. Your health and safety are the top priority.

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