💧 Why Does My Tap Water Look Cloudy?Expert Advice from GladPro Plumbing Services, Your Local Plumber in Gravesend, Kent, Essex & South East London

GladPro Plumbing Services
Oct 13, 2025
3 min read

A glass of cloudy water on a beige countertop near a kitchen sink, in a softly lit environment.

Have you ever turned on your tap and noticed that your water looks white, cloudy, or milky? Don’t worry, in most cases, it’s completely harmless. However, it can be a sign of trapped air or minor plumbing issues that may need attention.

At GladPro Plumbing Services, we’ve helped homeowners across Gravesend, Kent, Essex, and South East London get to the bottom of this common problem. Here’s everything you need to know about why your water looks cloudy, what it means, and when to call a plumber.

🚰 What Causes Cloudy or Milky Tap Water?

1️⃣ Trapped Air in Your Water Pipes

The most common cause of cloudy tap water is air trapped inside your plumbing system. When water becomes pressurised with air bubbles, it can appear cloudy or fizzy, similar to carbonated water.

This often happens when:

Water pipes have been recently repaired or replaced.
There’s damage to underground pipes (especially after freezing winter weather).
A plumbing fitting is loose or faulty, allowing air to enter the system.

When you pour the water and let it sit for a few minutes, you’ll notice the bubbles rise and the water gradually clear, this means it’s just air and completely safe to drink.

2️⃣ Small Particles in the Water Supply

Sometimes, tiny particles like sand, dirt, or minerals (such as calcium carbonate) can enter your water supply. This can make your water appear cloudy, especially in older plumbing systems commonly found across Gravesend and South East London.

While this isn’t typically harmful to your health, it can affect the taste and quality of your tap water.

If you notice that the cloudiness doesn’t clear after a few minutes, it’s worth having your local plumber inspect your water pipes for contamination or corrosion.

🧰 What Should You Do If Your Water Looks Cloudy?

✅ Step 1 – Test ItFill a glass with water and leave it to stand for a few minutes.

If the cloudiness clears from the bottom upwards, it’s caused by air bubbles — a harmless issue that usually clears with time.
If it clears from the top down, this could mean there are sediment particles in your pipes.

✅ Step 2 – Flush Your SystemRun your taps for several minutes to flush any trapped air or loose particles through your system. Repeat the glass test to check if the water runs clear.

✅ Step 3 – Call a ProfessionalIf your tap water remains cloudy for more than 24 hours, or if it appears white and milky every time you turn on the tap, it’s best to contact GladPro Plumbing Services.

Persistent cloudy water could indicate:

A leak in your water line
Pipe corrosion or damage
Contamination from soil or sediment entering your system

In some cases, you may also need to contact your local water supplier to check for leaks or issues in the main supply line.

👨‍🔧 Need Expert Help with Cloudy Water or Plumbing Issues?

If your water still looks cloudy after following these steps, our team at GladPro Plumbing Services can help. We’re trusted local plumbers in Gravesend, Kent, Essex, and South East London, offering expert diagnosis and professional repairs for all types of plumbing problems, from air in the pipes to leaks, blockages, and more.