For many, turning on the tap is the simplest and most cost-effective way to stay hydrated. Yet, questions about the safety and quality of tap water are common, especially for people travelling from outside the UK.
In the UK, tap water stands out not just for its convenience but for its exceptional safety standards. This article explores tap water in the UK, examining its safety, regional differences, additives, and sustainability benefits.
The Safety of UK Tap Water
The UK boasts some of the highest water quality standards in the world, with a remarkable 99.96% compliance rate according to Discover Water. This impressive figure is no accident.
The Drinking Water Inspectorate (DWI) monitors water supplies to ensure they meet stringent safety guidelines. Tests include checks for harmful bacteria like E.coli, ensuring that tap water across the country is consistently clean and safe for consumption.
Drinking water in the UK goes through several stages of treatment, including:
- Screening
- Pre-treatment oxidation
- Clarification
- Filtration
- UV disinfection
- A final chlorination stage to perform disinfection and establish a chlorine residual
These steps ensure water is safe to drink when it comes out of the tap.
Common Additives in UK Tap Water
- Chlorine: Chlorine is a staple in water treatment, acting as a powerful disinfectant to eliminate harmful bacteria. Though harmless in low concentrations, its presence can occasionally impart a noticeable taste or smell.
- Fluoride: Added to some water supplies to combat tooth decay, fluoride has long sparked debate. Excessive intake can lead to health issues like fluorosis, but UK regulations ensure fluoride levels remain within safe limits.
- Limescale: Common in hard water areas, limescale is the chalky residue of calcium and magnesium carbonate. While unsightly in appliances, it is completely safe to consume.
- Lead: Although rare, lead contamination can occur in areas with older plumbing. Homes with soft water are slightly more vulnerable, as soft water is less likely to form protective mineral layers inside pipes.
Read More: Why Hydration is Important in Winter
Regional Variations in Tap Water Quality
While all UK tap water is safe to drink, its taste and quality can vary by region. Most surveys agree that the best-tasting water is in Scotland, the South West (Bristol), Manchester and Yorkshire (Leeds), among others.
Conversely, areas with hard water—such as Greater London and the East of England—often rank lower in taste preference. This disparity underscores the influence of local geology on water characteristics.
Hard Water vs. Soft Water
Hard water contains higher levels of dissolved minerals like calcium and magnesium, often giving it a cloudy appearance. It’s prevalent in southern and eastern regions of the UK.
Soft water, found primarily in northern and western areas, lacks these minerals, leading to a cleaner taste. While hard water may be less palatable, it poses no health risks and may even contribute to dietary mineral intake.
Tap Water Myths
- Can you drink from bathroom taps? Yes, bathroom tap water is generally as safe as kitchen water, provided it comes from the main supply.
- Should you drink from warm taps? It’s best avoided. Warm water may have been stored in tanks or heaters, reducing its freshness.
- What if my tap water is cloudy? Cloudy water is often due to trapped air or chalk deposits. While it may look unappealing, it is usually safe to drink.
The Role of Water Filters
While UK tap water is safe, water filters can enhance its taste and appearance, particularly in hard water regions. Filters help reduce limescale and chlorine levels, offering a fresher drinking experience.
Water dispensed from water dispensers by Drinkworks is filtered. It has been noted by our clients in London (a hard water area) to be much better than regular tap water. If you need a plumbed-in water dispenser in London you can’t go wrong with us for safe and good tasting water!
UK tap water is not only safe but among the highest quality tap water in the world. With robust regulations, minimal environmental impact, and regional variations to explore, it’s an excellent choice for hydration.
If your tap water tastes strange, they install a water dispenser. Drinkworks provides water dispensers all over the London area. They can be rented or purchased from our business with ease.
Speak to our friendly team and get hydrated now!