Find your water company
Water and sewerage companies
Water supply and sewerage services in England and Wales are managed by water companies. They are:
- Affinity Water
- Anglian Water
- Bournemouth Water
- Bristol Water
- Cambridge Water
- Dŵr Cymru Welsh Water
- Essex & Suffolk Water
- Hafren Dyfrdwy
- Hartlepool Water
- Northumbrian Water
- Portsmouth Water
- Severn Trent Water
- South East Water
- South Staffs Water
- South West Water
- Southern Water
- SES Water
- Thames Water
- United Utilities
- Wessex Water
- Yorkshire Water
New Appointments and Variations (NAVs)
A NAV company is approved by Ofwat to provide water and/or sewerage services to specific sites instead of the usual water company responsible for the area. They operate under the same rules and responsibilities as the main companies and need permission from Ofwat to expand their services to new locations.
The current licensed NAV companies are:
Unsure who provides your water or sewerage?
Enter your postcode on the Water UK websiteAre you a business customer?
If you’re a water bill payer and operate a business, charity, or public sector organisation out of non-household premises, you can choose from any of the retailers licensed to provide your water and/or wastewater retail services.