Water companies
By water company
Every English water company by storm-overflow count. Click through to see their currently-active spills, recent events, and Truth Engine flags.
Midlands
1 activeSevern Trent Water
Serves 4.6 million homes across the Midlands. Major rivers: Severn, Trent, Avon, Derwent.
- Overflows
- 2444
- Active
- 1
- Offline
- 9
- Spills · 24h
- 16
Wales
51 activeDwr Cymru Welsh Water
Welsh Water — serves 3 million people across most of Wales and parts of Herefordshire. Major rivers: Wye, Usk, Tawe, Teifi, Conwy. Regulated by Natural Resources Wales rather than the Environment Agency.
- Overflows
- 2359
- Active
- 51
- Offline
- 0
- Spills · 24h
- 569
North West
20 activeUnited Utilities
Serves Cumbria, Lancashire, Greater Manchester, Cheshire, Merseyside. Major rivers: Mersey, Ribble, Lune, Eden.
- Overflows
- 2263
- Active
- 20
- Offline
- 25
- Spills · 24h
- 549
Yorkshire
8 activeYorkshire Water
Serves five million people across Yorkshire and parts of North and North East Lincolnshire. Major rivers: Aire, Calder, Don, Ouse.
- Overflows
- 2185
- Active
- 8
- Offline
- 35
- Spills · 24h
- 114
North East
Northumbrian Water
Serves the North East and parts of Essex and Suffolk. Major rivers: Tyne, Wear, Tees.
- Overflows
- 1578
- Active
- 0
- Offline
- 28
- Spills · 24h
- 36
East
Anglian Water
Serves the East of England — Cambridgeshire, Norfolk, Suffolk, Essex, Lincolnshire. Major rivers: Great Ouse, Nene, Welland, Stour.
- Overflows
- 1438
- Active
- 0
- Offline
- 60
- Spills · 24h
- 50
South West
Wessex Water
Serves Dorset, Somerset, Bristol, Wiltshire, parts of Hampshire. Major rivers: Avon, Stour, Frome, Brue.
- Overflows
- 1427
- Active
- 0
- Offline
- 11
- Spills · 24h
- 24
South West
1 activeSouth West Water
Serves Devon, Cornwall, parts of Dorset and Somerset. Major rivers: Tamar, Exe, Tavy, Otter, Plym.
- Overflows
- 1345
- Active
- 1
- Offline
- 25
- Spills · 24h
- 103
South Coast
1 activeSouthern Water
Serves Hampshire, Isle of Wight, West Sussex, East Sussex, Kent. Major rivers: Test, Itchen, Arun, Adur, Medway.
- Overflows
- 1031
- Active
- 1
- Offline
- 8
- Spills · 24h
- 0
Thames basin
Thames Water
Serves 15 million people across London and the Thames basin. Major rivers: Thames, Lee, Wey, Mole, Wandle.
- Overflows
- 577
- Active
- 0
- Offline
- 27
- Spills · 24h
- 1