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
- 2418
- Active
- 1
- Offline
- 5
- Spills · 24h
- 34
Wales
7 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
- 7
- Offline
- 0
- Spills · 24h
- 221
North West
11 activeUnited Utilities
Serves Cumbria, Lancashire, Greater Manchester, Cheshire, Merseyside. Major rivers: Mersey, Ribble, Lune, Eden.
- Overflows
- 2262
- Active
- 11
- Offline
- 37
- Spills · 24h
- 516
Yorkshire
2 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
- 2
- Offline
- 39
- Spills · 24h
- 256
North East
1 activeNorthumbrian Water
Serves the North East and parts of Essex and Suffolk. Major rivers: Tyne, Wear, Tees.
- Overflows
- 1576
- Active
- 1
- Offline
- 47
- Spills · 24h
- 454
East
4 activeAnglian Water
Serves the East of England — Cambridgeshire, Norfolk, Suffolk, Essex, Lincolnshire. Major rivers: Great Ouse, Nene, Welland, Stour.
- Overflows
- 1438
- Active
- 4
- Offline
- 45
- Spills · 24h
- 42
South West
Wessex Water
Serves Dorset, Somerset, Bristol, Wiltshire, parts of Hampshire. Major rivers: Avon, Stour, Frome, Brue.
- Overflows
- 1427
- Active
- 0
- Offline
- 9
- Spills · 24h
- 94
South West
2 activeSouth West Water
Serves Devon, Cornwall, parts of Dorset and Somerset. Major rivers: Tamar, Exe, Tavy, Otter, Plym.
- Overflows
- 1345
- Active
- 2
- Offline
- 17
- Spills · 24h
- 108
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
- 22
- Spills · 24h
- 0