Welcome to Thames Water
We take care of water for 16 million people, enabling our customers, communities, and environment to thrive.
View and report a problem
You can view and report potential pollutions, sewer flooding, blockages or leaks online.
Reporting a problem is quick and easy with our interactive map.
Tell us where and what the issue is and help us fix it.
Explore Thames Water
Get help and advice on some of our most popular topics.
Our new prices
We go through why prices have gone up, how we’ll spend your money and our extra help and support options available.
Water quality
To check out the water quality in your area, all you need is your postcode.
Water saving calculator
Get a personalised report to see how you can save water and money on your bills.
Bin it, don't block it
Are you putting the wrong things down your sinks and toilets? Find out how you can prevent blockages at home.
No water or low pressure
What to do if your water suddenly stops or you’re having issues with your supply.
Leakage performance
Find out how we're tackling leaks across our network.