Storm overflow register · 2025 annual return
Severn Trent Water storm overflows, 2025
Severn Trent Water reported 2,452 storm overflows in England for 2025. Together they recorded 36,471 spills over 200,361 hours, an average of 14.9 spills per overflow against 20.4 across England. That ranks 2 of 10 companies, where 1 is the fewest spills per overflow. Counting the same overflows in both years, spills were down 41% on 2024.
429 overflows did not spill · 72 spilled more than 60 times · 2,342 had monitors working for 90% of the year or more · 435 sewage treatment works with overflows
Hours spilling by month, 2025
All Severn Trent Water storm overflows
Sorted by hours spilling. Open an overflow for its permit, location, reasons for high spills and improvement status.
| Overflow | Discharges to | Spills 2025 | Hours 2025 | Spills vs 2024 | Monitor uptime |
|---|---|---|---|---|---|
Sutton in Ashfield - Common Road (CSO)
|
Nunn Brook | 0 | 0.0 | down 100% | 99% |
St James Road CSO
|
River Rea | 0 | 0.0 | no change | 100% |
Highgate - Sherlock Street CSO
|
River Rea | – | – | – | |
Stafford Road CSO
|
River Penk | 0 | 0.0 | no change | 100% |
Stanley Downton CSO
|
Trib of River Frome | 0 | 0.0 | down 100% | 100% |
Station Road Pumping Station
|
Trib of River Sence | 0 | 0.0 | down 100% | 100% |
Sutton Coldfield - Station Road (CSO)
|
Plants Brook via Wyndley Pool | 0 | 0.0 | down 100% | 97% |
Stechford - Opp 99 Stechford Ln CSO
|
River Cole | 0 | 0.0 | no change | 100% |
Steelhouse Lane CSO
|
Hockley Brook | 0 | 0.0 | no change | 100% |
Narborugh - Stewart Avenue CSO
|
Tributary of River Soar | 0 | 0.0 | down 100% | 100% |
Stone – Meaford Avenue (CSO)
|
Trent & Mersey Canal | 0 | 0.0 | no change | 100% |
Stone - Radford Street (CSO)
|
Trent and Mersey Canal | 0 | 0.0 | no change | 100% |
Stonebroom Blocks CSO
|
Morton Brook | 0 | 0.0 | no change | 100% |
Regent Street CSO
|
River Frome | 0 | 0.0 | no change | 100% |
Storm Sewage Overflow Alfreton Road
|
Bottle Brook | 0 | 0.0 | no change | 100% |
Stottesdon STW
|
Trib of River Rea | 0 | 0.0 | down 100% | 100% |
Stourbridge - Marine Crescent (CSO)
|
Audnam Brook (Cwc) | 0 | 0.0 | down 100% | 100% |
Stourbridge Road Storm Overflow
|
River Stour | 0 | 0.0 | no change | 100% |
Stratford - Banbury Rd/Swans Nest (CSO)
|
River Avon | – | – | – | |
Stroud - Bath Road (CSO)
|
Nailsworth Stream | 0 | 0.0 | no change | 100% |
Sussex Avenue CSO
|
Hobnail Brook | 0 | 0.0 | down 100% | 100% |
Low St/Market Street CSO
|
River Maun (Idle) | 0 | 0.0 | no change | 100% |
Swadlincote - High Street (CSO)
|
Trib River Trent | 0 | 0.0 | no change | 100% |
Swadlincote - Civic Way (CSO)
|
Trib of River Trent | 0 | 0.0 | no change | 100% |
Swanfield Road CSO
|
Audnam Brook | 0 | 0.0 | no change | 100% |
The Higherland North CSO
|
Tributary of Lyme Brook | 0 | 0.0 | down 100% | 100% |
The Newarke CSO
|
River Soar | 0 | 0.0 | down 100% | 99% |
Ironbridge - Wharfage Foul PS (CSO&EO)
|
River Severn | 0 | 0.0 | down 100% | 99% |
Thimblemill Road CSO
|
Thimblemill Brook | 0 | 0.0 | no change | 100% |
South Askham - Askham Road (SSO)
|
Ditch Trib. of Laneham Beck | 0 | 0.0 | no change | 100% |
Tithby Sewage Treatment Works
|
Tributary of River Smite | 0 | 0.0 | no change | 100% |
Tong Newport Road Pumping Station
|
Church Pool | 0 | 0.0 | no change | 99% |
Trescott Sewage Pumping Station
|
Smestow Brook | 0 | 0.0 | no change | 92% |
Turn Street Sewage Puming Station
|
Barkby Brook | 0 | 0.0 | down 100% | 95% |
Tyburn - 128 Hansons Bridge Road SO
|
Plants Brook | 0 | 0.0 | no change | 100% |
Upper Broughton - Melton Road PS (CSO)
|
Dalby Brook | 0 | 0.0 | no change | 100% |
Upper Gornal Water Reclam Work CSO
|
Trib of Swan Brook | 0 | 0.0 | no change | 100% |
Upper Midway - Poplar Avenue (SO)
|
Trib Darklands Brook | 0 | 0.0 | no change | 100% |
Upton Snodsbury STW
|
Trib of Piddle Brook | 0 | 0.0 | no change | 100% |
Var PS Sth Normanton/Stm & Emerg of
|
Westwood/Normanton Brook | 0 | 0.0 | down 100% | 100% |
Var PS Sth Normanton/Stm & Emerg of
|
Westwood/Normanton Brook | 0 | 0.0 | down 100% | 100% |
Coxmoor Road CSO
|
River Maun | 0 | 0.0 | down 100% | 100% |
Ventnor Avenue CSO
|
Hockley Brook | 0 | 0.0 | no change | 96% |
Vesey Street CSO
|
Hockley Brook | 0 | 0.0 | no change | 99% |
Waltham on the Wold STW & SPS
|
River Eye + Various Brooks | 0 | 0.0 | no change | 90% |
Market Warsop - the Hawthorns (CSO)
|
River Meden | 0 | 0.0 | no change | 100% |
Warsop - Stonebridge Lane (SSO)
|
River Meden | 0 | 0.0 | no change | 100% |
Wash Meadow CSO
|
River Erewash | 0 | 0.0 | no change | 100% |
Water Lane CSO
|
Tributary of River Tame | 0 | 0.0 | no change | 90% |
Water Street CSO
|
Hockley Brook | 0 | 0.0 | no change | 88% |
Sewage treatment works
Storm tanks and inlet overflows at each Severn Trent Water sewage works. The figures are 2025 spills.
- Abberley The Common 0
- Abbots Bromley Sewage Treatment Wks 27
- Ackleton And Stableford 18
- Aisby 6
- Albrighton 10
- Alcester 36
- Alfreton 84
- Alfrick Clay Green 19
- Alkborough 114
- Alrewas 3
- Althorpe 6
- Alton 16
- Alvechurch 28
- Alveley 19
- Alverton 1
- Ambergate 21
- Anston Rackford 3
- Armitage 14
- Armthorpe 19
- Arnesby 35
- Ashbourne 44
- Ashby Folville 0
- Ashley 71
- Ashover 152
- Ashover Overton Hall 31
- Ashton Under Hill 0
- Aslockton 45
- Astwood Bank 5
- Atherstone 89
- Avening 113
- Bakewell 57
- Balderton 6
- Balsall Common 104
- Barlestone 35
- Barnhurst 2
- Barrow And Quorn 35
- Barston 18
- Barton Under Needwood 33
- Bascote 12
- Baslow 86
- Bassetts Pole 26
- Bearley 26
- Beckbury 10
- Beckford 37
- Bedworth Marston Lane 23
- Bedworth Road 0
- Beeston 88
- Belper 44
- Bidford On Avon 6
- Billesdon 25
- Bilsthorpe 15
- Bishampton 11
- Blackminster 6
- Blakeney 233
- Blockley 32
- Bobbington 17
- Bomere Heath 62
- Bottesford 16
- Boughton 11
- Bradwell 71
- Brailsford 74
- Brailsford Combined Sewer 16
- Braithwell 41
- Brancote 1
- Branton 15
- Braunston 28
- Breedon On The Hill 9
- Bridgnorth Slads 30
- Broadoak 87
- Broadway 15
- Brockhampton 25
- Brompton Cross Houses 15
- Bromsgrove 11
- Broughton Astley 29
- Bubbenhall 28
- Buildwas 0
- Bulkington 18
- Burnhill Green 10
- Burntwood 12
- Burton Lazars Sewage Treatment Work 0
- Burton On The Wolds 0
- Burton On The Wolds Emer O F 12
- Burton Stather Sewage Trtmnt Wrks 56
- Buxton 97
- Calverton 20
- Cannock Sewage Treatement Works 9
- Castle Donington 29
- Checkley 35
- Cheddleton 11
- Cherington 44
- Cheswardine 15
- Chilcote Rbc 72
- Chipping Campden 25
- Church Lawford 4
- Church Stretton 197
- Church Warsop 30
- Churcham 0
- Churchover 22
- Cinderford Crumpmeadow 31
- Claverley 7
- Clay Cross 60
- Claymills 24
- Cleobury Mortimer 9
- Clowne 53
- Coaley 47
- Coalport 78
- Codsall 30
- Cold Overton 20
- Coleshill Wastewater Treatment Wrks 31
- Collingham 34
- Colwall 81
- Coreley Tenbury Road 22
- Cotham 3
- Coton Park 6
- Countesthorpe 28
- Coven Heath 5
- Coventry Finham 62
- Crankley Point 8
- Creswell 59
- Cropwell Bishop 22
- Crowdecote 9
- Crowle 56
- Crowle Scunthorpe 51
- Croxton Kerrial Sewage Trtmnt Works 6
- Cubley 30
- Defford Village 26
- Derby 49
- Derrington 0
- Dimmingsdale Ips 1
- Dinnington 67
- Donisthorpe 21
- Dorrington 32
- Dorsington 16
- Droitwich Ladywood 23
- Duffield 57
- Dunchurch 1
- Dymock 2
- Earl Shilton 16
- Earl Sterndale 2
- East Bridgford 39
- East Leake 22
- East Markham 23
- Eccleshall And Sturbridge 46
- Edale 20
- Edgmond 23
- Edwinstowe 46
- Elford 0
- Ellerdine 0
- Ellesmere Wharf Meadow 38
- Elmhurst 13
- Elston 22
- Elton 2
- Endon 83
- Epworth 0
- Ettington 41
- Etwall 32
- Evesham Hampton Parks 20
- Farndon 28
- Farnsfield 31
- Fenny Compton 70
- Findern 34
- Finningley 2
- Fleckney 43
- Flintham 25
- Flyford Flavell 0
- Forton 0
- Frampton 0
- Frankton 83
- Freeby 34
- Fritchley 100
- Froghall 140
- Frolesworth 56
- Furnace End 4
- Gainsborough 3
- Gaulby 32
- Gloucester Netheridge 65
- Goscote 15
- Gotham 1
- Great Bolas 50
- Great Glen 69
- Great Washbourne 33
- Grendon 19
- Grove 26
- Gunness 0
- Hallow 33
- Hanbury 72
- Harborough Magna 31
- Harby 51
- Hartington 18
- Harvington 1
- Harworth 30
- Hathersage 58
- Haughton 0
- Hawksworth 1
- Haxey 51
- Hayden 37
- Heage 22
- Heanor Milnhay 38
- High Ercall 4
- Highley 24
- Himley 42
- Hinckley 57
- Hinton On The Green 15
- Hixon 15
- Hodsock 75
- Hognaston 61
- Holt Heath 23
- Honeybourne 15
- Houghton On The Hill 30
- Hulland Ward 20
- Hungarton 28
- Hurley 41
- Huthwaite 96
- Ibstock 51
- Ilkeston 29
- Ilmington 54
- Itchen Bank 53
- Kegworth 58
- Kelstedge 75
- Kempsey 0
- Keyworth 46
- Kidderminster Oldington 45
- Kilburn 45
- Kilsby 12
- Kimcote 14
- Kineton 19
- Kinver 0
- Kirk Langley 63
- Kirkby In Ashfield Sewage Treatment 74
- Kirkby Mallory 20
- Kirton In Lindsey 12
- Kneeton 0
- Kniveton 84
- Langar 5
- Langham 28
- Laverton 59
- Laxton 54
- Ledbury 49
- Leek 8
- Letwell 65
- Lichfield 23
- Lighthorne Heath 41
- Lilbourne 50
- Lilypool 5
- Little Aston 14
- Little Stretton 0
- Little Witley 51
- Littledean 0
- Loggerheads Village 22
- Long Whatton 55
- Longhope 44
- Loughborough 33
- Lower Gornal 16
- Lower Moor 18
- Ludlow 59
- Lutterworth 57
- Lydbury North 0
- Lydney 178
- Madresfield 88
- Maltby 16
- Malvern 103
- Mansfield Bath Lane 31
- Marchington 25
- Marehay 38
- Market Bosworth 35
- Market Drayton 23
- Market Overton 2
- Marston Montgomery 17
- Matlock Lea 77
- Mattersey Thorpe 1
- Mayfield 62
- Melbourne 18
- Melton Mowbray 15
- Middleton 20
- Mile Oak 40
- Milton 76
- Minworth 24
- Moreton Morrell 8
- Moreton Paddox 24
- Much Wenlock 52
- Napton 26
- Naseby 54
- Nether Broughton 41
- Nether Langwith 15
- Netherseal 8
- Newbold Verdon 19
- Newborough 15
- Newent 17
- Newport 24
- Newthorpe 89
- Norbury 3
- Northend 84
- Northorpe 0
- Norton 43
- Norton Bridge Sewage Treatment Work 4
- Norton Green 30
- Nuneaton St Marys Road O F 28
- Oadby 30
- Ombersley 5
- Orton On The Hill 8
- Oswestry Drenewydd 7
- Overseal 50
- Packington 40
- Pant Plas Cerrig 18
- Pattingham 10
- Penkridge 3
- Peopleton 10
- Pilham 0
- Pinxton 67
- Pirehill 23
- Pitts Mill 51
- Polesworth 14
- Pontesbury 53
- Powick 18
- Prees Higher Heath 15
- Priest Bridge 8
- Pye Bridge 44
- Quay Lane 32
- Radcliffe On Trent 19
- Ragdale 2
- Rainworth 40
- Ranskill 3
- Ravenstone 34
- Redditch Spernal 22
- Redmile 9
- Retford 21
- Ridge Lane Mancetter 67
- Ripley 47
- Roden 19
- Roundhill Wastewater Treatment Wrks 21
- Rous Lench 31
- Rowington 45
- Rugby Newbold 18
- Rugeley 8
- Rushbury 20
- Rushmoor 27
- Scarcliffe 58
- Scotter 26
- Scunthorpe 32
- Sedgeberrow 3
- Sewage Pumping Station 24
- Shardlow 17
- Shawell Sewage Treament Works 3
- Shelsley Beauchamp 46
- Shenstone 14
- Shepshed Wastewater Treatment Wks 17
- Shirebrook 21
- Shirley 5
- Shrewsbury Monkmoor 53
- Sibthorpe 2
- Skegby 75
- Slade Hooton 50
- Snarestone 121
- Snarrows 66
- Snitterfield 19
- Somerby 25
- South Normanton 53
- South Normanton 12Dwf 3
- South Normanton 6Dwf 8
- South Wingfield Holm Lane Sps 23
- Southwell 58
- Stanley Downton 58
- Stanton 35
- Stapleford Bessell Lane 19
- Stoke Bardolph 14
- Stoke On Trent Campbell Road 0
- Stoke Orchard Sewage Treatment Wrks 19
- Stoke Prior 3
- Stoke Saint Milborough 6
- Stoney Stanton 24
- Stottesdon 0
- Stratford Milcote 26
- Strongford 57
- Sudbury 41
- Sutton Bonington 48
- Sutton In Ashfield 2
- Sutton On Trent 125
- Sutton Village Sutton Lane 6
- Swanwick 41
- Tenbury 44
- Tewkesbury 36
- Thorpe Satchville 4
- Thrumpton 2
- Tickhill 91
- Ticknall 3
- Tideswell 68
- Tithby 0
- Toddington 18
- Toton 24
- Trescott 14
- Twyning 49
- Upper Sapey 16
- Upton On Severn 12
- Upton Snodsbury 0
- Uttoxeter 14
- Walkeringham 18
- Walsall Wood 19
- Waltham On The Wolds 18
- Wanlip 83
- Warmsworth Wastewater Treatment Wks 49
- Warslow 152
- Warwick Longbridge 29
- Waterhouses 19
- Welford 1
- Wellesbourne 87
- Wem Aston Road 13
- West Felton 5
- Weston Under Wetherley 11
- Weston Underwood 27
- Westwood Brook 61
- Whatstandwell 58
- Wheaton Aston 24
- Whetstone Wastewater Treatment Wrks 19
- Whitbourne 3
- Whitwell 23
- Wigston Crow Mills Sps 7
- Wigston Parva 3
- Willenhall 5
- Winchcombe 29
- Wirksworth 74
- Woodseaves 16
- Woodsetts 5
- Woolsthorpe 15
- Woolstone 28
- Wootton Wawen 20
- Worcester 68
- Worksop Manton 42
- Wormington 4
- Worthen 11
- Worthington 45
- Wyaston 0
- Wychbold 12
- Wymondham 43
- Yeaveley 24
- Yelvertoft 0
← All water companies · Contains Environment Agency data licensed under the Open Government Licence v3.0. How to read the data.