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
4 activeSevern Trent Water
Serves 4.6 million homes across the Midlands. Major rivers: Severn, Trent, Avon, Derwent.
- Overflows
- 2446
- Active
- 4
- Offline
- 17
- Spills · 24h
- 12
Wales
15 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
- 15
- Offline
- 0
- Spills · 24h
- 269
North West
4 activeUnited Utilities
Serves Cumbria, Lancashire, Greater Manchester, Cheshire, Merseyside. Major rivers: Mersey, Ribble, Lune, Eden.
- Overflows
- 2263
- Active
- 4
- Offline
- 28
- Spills · 24h
- 46
Yorkshire
1 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
- 1
- Offline
- 57
- Spills · 24h
- 48
North East
3 activeNorthumbrian Water
Serves the North East and parts of Essex and Suffolk. Major rivers: Tyne, Wear, Tees.
- Overflows
- 1582
- Active
- 3
- Offline
- 30
- Spills · 24h
- 30
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
- 47
- 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
- 17
- Spills · 24h
- 1
South West
8 activeSouth West Water
Serves Devon, Cornwall, parts of Dorset and Somerset. Major rivers: Tamar, Exe, Tavy, Otter, Plym.
- Overflows
- 1345
- Active
- 8
- Offline
- 15
- Spills · 24h
- 117
South Coast
2 activeSouthern Water
Serves Hampshire, Isle of Wight, West Sussex, East Sussex, Kent. Major rivers: Test, Itchen, Arun, Adur, Medway.
- Overflows
- 1048
- Active
- 2
- Offline
- 2
- Spills · 24h
- 8
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
- 35
- Spills · 24h
- 0
Mid Wales
Hafren Dyfrdwy
Severn Trent's Welsh subsidiary. Wastewater area covers the upper Severn around Llanidloes, Newtown and Welshpool, plus the Vyrnwy, Tanat and upper Teme. Regulated by Natural Resources Wales. Overflow locations and yearly spill totals come from the annual EDM return; no open live feed is available.
- Overflows
- 54
- Active, offline and 24h spill counts
- No live feed
River Truth has no live feed for Hafren Dyfrdwy. Its overflow list comes from an annual return, so no live counts are shown.