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Sewerage information
Information is collected in the June returns from water and sewerage companies about sewerage activities and services supplied by them to customers of water only companies.
Some water and sewerage companies also supply sewerage services to customers of other water and sewerage companies. This is due to mismatches between water supply areas and sewerage service areas.
Queries about sewerage information should be made to the appropriate water and sewerage company.
The following list shows the water and sewerage companies which supply sewerage services to water only company customers.
| Water and Sewerage Company | Water Only Company |
|---|---|
| Anglian Water Services Ltd. | Cambridge Water plc Northumbrian Water Ltd - Essex & Suffolk Tendring Hundred Water Services Ltd Three Valleys Water Services plc (part) |
| Dwr Cymru Cyfyngedig (Welsh Water) | Dee Valley Water plc (part) |
| Northumbrian Water Ltd | Hartlepool Water plc |
| Severn Trent Water Ltd | South Staffordshire Water plc |
| South West Water Services Ltd | None |
| Southern Water Services Ltd | Bournemouth & West Hampshire Water plc (part) Folkestone & Dover Water Services Ltd Mid Kent Water plc Portsmouth Water plc South East Water plc Sutton & East Surrey Water plc (part) |
| Thames Water Utilities Ltd | Northumbrian Water Ltd - Essex & Suffolk South East Water plc (part) Sutton & East Surrey Water plc (part) Three Valleys Water plc (part) |
| United Utilities Ltd (previously known as North West Water Ltd) | Dee Valley Water plc (part) |
| Wessex Water Services Ltd | Bournemouth & West Hampshire plc (part) Bristol Water plc Cholderton and District Water Co. |
| Yorkshire Water Services Ltd | None |
