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

020k40k60kJan 2025: 59,762 hours spillingJanFeb 2025: 8,544 hours spillingFebMar 2025: 2,127 hours spillingMarApr 2025: 992 hours spillingAprMay 2025: 2,015 hours spillingMayJun 2025: 1,050 hours spillingJunJul 2025: 2,845 hours spillingJulAug 2025: 481 hours spillingAugSep 2025: 8,682 hours spillingSepOct 2025: 4,788 hours spillingOctNov 2025: 51,286 hours spillingNovDec 2025: 57,819 hours spillingDec
Hours spilling, all Severn Trent Water overflows, from the start/stop records. Spills running across a month end are split between the months.

All Severn Trent Water storm overflows

Sorted by hours spilling. Open an overflow for its permit, location, reasons for high spills and improvement status.

OverflowDischarges toSpills 2025Hours 2025Spills vs 2024Monitor uptime
Various CSO'S - Areas of Carlton
Overflow on sewer network
Company site name
CARLTON - FOXHILL RD WST/ERNEST RD (CSO)
EA ID / permit
SVT02386 · T/64/08304/O
Outlet location
SK6220041940 (OS grid reference) · View on Apple Maps
WFD catchment
Ouse Dyke Catchment (trib of Trent) (GB104028053260)
2024 spills / hours
4 / 0.9
Long-term average
7.2 spills a year (monitored since 2020)
Investigation
Env Act (SODRP) investigation ongoing
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 1.4 hours spilling →
Ouse Dyke 4 1.4 no change 100%
The Higherland South CSO
Overflow on sewer network
Company site name
NEWCASTLE - THE HIGHERLAND (SOUTH) (CSO)
EA ID / permit
SVT02292 · T/01/21606/O
Outlet location
SJ8423345599 (OS grid reference) · View on Apple Maps
WFD catchment
Lyme Brook Catchment (trib of Trent) (GB104028053340)
2024 spills / hours
6 / 2.9
Long-term average
8.0 spills a year (monitored since 2020)
Investigation
Env Act (SODRP) investigation ongoing, UWWTR investigation completed
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 1.4 hours spilling →
Tributary of Lyme Brook 7 1.4 up 17% 100%
Aspley - Melbourne Rd/Ledbury Vale (CSO)
Overflow on sewer network
EA ID / permit
SVT00136 · EPRJB3398VN
Outlet location
SK5421341815 (OS grid reference) · View on Apple Maps
WFD catchment
Leen from Day Brook to Trent (GB104028053250)
2024 spills / hours
12 / 5.3
Long-term average
7.2 spills a year (monitored since 2021)
Investigation
Env Act (SODRP) investigation ongoing
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 1.4 hours spilling →
River Leen 6 1.4 down 50% 100%
Belper – Kilbourne Road (CSO)
Overflow on sewer network
EA ID / permit
SVT00243 · Permit application submitted
Outlet location
SK3635747874 (OS grid reference) · View on Apple Maps
WFD catchment
Derwent from Amber to Bottle Brook (GB104028052310)
2024 spills / hours
9 / 10
Long-term average
4.7 spills a year (monitored since 2023)
Investigation
Operational investigation ongoing
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 1.4 hours spilling →
Coppice Brook 2 1.4 down 78% 100%
Dymock Sewage Treatment Works
Storm tank at sewage works
Sewage works
Dymock
Company site name
DYMOCK STW (CSO)
EA ID / permit
SVT00812 · S/21/26719/R
Outlet location
SO7025031390 (OS grid reference) · View on Apple Maps
WFD catchment
Leadon - conf Preston Bk to conf R Severn (W Channel) (GB109054032511)
2024 spills / hours
11 / 23
Long-term average
6.4 spills a year (monitored since 2021)
Investigation
Operational investigation completed
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 1.4 hours spilling →
River Leadon 2 1.4 down 82% 96%
Mildred Road CSO
Overflow on sewer network
Company site name
CRADLEY HEATH - MILDRED ROAD (CSO)
EA ID / permit
SVT01560 · S/06/21058/O
Outlet location
SO9525586982 (OS grid reference) · View on Apple Maps
WFD catchment
Stour (Worcs) source to conf Smestow Bk (GB109054044750)
2024 spills / hours
3 / 0.5
Long-term average
4.2 spills a year (monitored since 2020)
Investigation
Operational investigation completed
Improvement
Operational improvement completed
Volume & pollution
Estimate from 1.4 hours spilling →
Mousesweet Brook 4 1.4 up 33% 100%
Thornhill SPS
Storm discharge at pumping station
Company site name
NARBOROUGH - THE WILLOWS PS (CSO)
EA ID / permit
SVT02307 · EPRKB3592VG
Outlet location
SP5291098640 (OS grid reference) · View on Apple Maps
WFD catchment
Soar from Thurlaston Brook to Sence (GB104028046880)
2024 spills / hours
10 / 39
Long-term average
25.4 spills a year (monitored since 2019)
Investigation
UWWTR investigation completed, Operational investigation completed
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 1.4 hours spilling →
River Soar/Ashlands Brook 2 1.4 down 80% 99%
Anston - Rackford STW
Storm tank at sewage works
Sewage works
Anston Rackford
Company site name
ANSTON - RACKFORD ROAD (SSTO)
EA ID / permit
SVT00085 · T/75/46078/R
Outlet location
SK5242683797 (OS grid reference) · View on Apple Maps
WFD catchment
Anston Brook from Source to Ryton (GB104028058210)
2024 spills / hours
1 / 1.3
Long-term average
6.6 spills a year (monitored since 2021)
Investigation
No investigation activity in reporting period
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 1.4 hours spilling →
Anston Brook 3 1.4 up 200% 100%
Dunston A449 Terminal Pumping Stn
Storm discharge at pumping station
Company site name
DUNSTON - A449 (SSO)
EA ID / permit
SVT00808 · T/03/02843/O
Outlet location
SJ9300017600 (OS grid reference) · View on Apple Maps
WFD catchment
Penk - Whiston Bk to R Sow (GB104028047121)
2024 spills / hours
10 / 3.6
Long-term average
16.5 spills a year (monitored since 2020)
Investigation
UWWTR investigation completed
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 1.4 hours spilling →
River Penk (Trib) 2 1.4 down 80% 99%
Lower Gornal STW
Inlet overflow at sewage works
Sewage works
Lower Gornal
Company site name
LOWER GORNAL STW - 6DWF
EA ID / permit
SVT01427 · EPRWB3835AM
Outlet location
SO9020090910 (OS grid reference) · View on Apple Maps
WFD catchment
Bobs-Holbeche Bk - source to conf Smestow Bk (GB109054044830)
2024 spills / hours
10 / 5.2
Long-term average
12.0 spills a year (monitored since 2021)
Investigation
UWWTR investigation ongoing, Operational investigation ongoing
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 1.3 hours spilling →
Bobs Brook & Holbeche Brook 6 1.3 down 40% 100%
Newcastle Road - A34 CSO
Overflow on sewer network
Company site name
SPRINGFIELDS - NEWCASTLE ROAD (CSO)
EA ID / permit
SVT01631 · T/01/35716/O
Outlet location
SJ8571044590 (OS grid reference) · View on Apple Maps
WFD catchment
Lyme Brook Catchment (trib of Trent) (GB104028053340)
2024 spills / hours
5 / 0.8
Long-term average
8.0 spills a year (monitored since 2019)
Investigation
Env Act (SODRP) investigation ongoing
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 1.3 hours spilling →
Lyme Brook 6 1.3 up 20% 100%
Victoria Street/Friar Gate Jct CSO
Overflow on sewer network
Company site name
DERBY - FRIAR GATE/VICTORIA STREET (CSO)
EA ID / permit
SVT02418 · T/48/45157/O
Outlet location
SK3568136206 (OS grid reference) · View on Apple Maps
WFD catchment
Markeaton Brook from Mackworth Brook to Derwent (GB104028052830)
2024 spills / hours
0 / 0.0
Long-term average
3.9 spills a year (monitored since 2019)
Investigation
Env Act (SODRP) investigation ongoing, Operational investigation completed
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 1.3 hours spilling →
Markeaton Brook 2 1.3 up from 0 100%
Church House Pumping Station
Storm discharge at pumping station
Company site name
MATTERSEY - CHURCH HOUSE (SSO)
EA ID / permit
SVT00542 · T/74/40055/O
Outlet location
SK6906089490 (OS grid reference) · View on Apple Maps
WFD catchment
Idle from Tiln to Ryton (GB104028058092)
2024 spills / hours
2 / 3.9
Long-term average
1.6 spills a year (monitored since 2021)
Investigation
No investigation activity in reporting period
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 1.3 hours spilling →
River Idle 1 1.3 down 50% 100%
Coppice Lane CSO
Overflow on sewer network
Company site name
QUARRY BANK - COPPICE LANE (CSO)
EA ID / permit
SVT00633 · S/06/21725/O
Outlet location
SO9349686744 (OS grid reference) · View on Apple Maps
WFD catchment
Stour (Worcs) source to conf Smestow Bk (GB109054044750)
2024 spills / hours
10 / 11
Long-term average
10.6 spills a year (monitored since 2019)
Investigation
UWWTR investigation completed, Operational investigation ongoing
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 1.3 hours spilling →
Black Brook 6 1.3 down 40% 99%
Starch Lane CSO
Overflow on sewer network
Company site name
SANDIACRE - STARCH LANE (CSO)
EA ID / permit
SVT02173 · T/61/21280/O
Outlet location
SK4812036653 (OS grid reference) · View on Apple Maps
WFD catchment
Erewash from Gilt Brook to Trent (GB104028052480)
2024 spills / hours
0 / 0.0
Long-term average
2.3 spills a year (monitored since 2020)
Investigation
Env Act (SODRP) investigation ongoing, Operational investigation completed
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 1.3 hours spilling →
River Erewash 9 1.3 up from 0 100%
Coventry - Maudslay Road (CSO)
Overflow on sewer network
EA ID / permit
SVT00652 · Permit application submitted
Outlet location
SP3114779460 (OS grid reference) · View on Apple Maps
WFD catchment
Sherbourne - source to conf R Sowe (GB109054044620)
2024 spills / hours
0 / 0.0
Long-term average
1.4 spills a year (monitored since 2021)
Investigation
Operational investigation ongoing
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 1.3 hours spilling →
Trib of River Sherbourne 3 1.3 up from 0 100%
Hanbury Sewage Treatment Works
Storm tank at sewage works
Sewage works
Hanbury
Company site name
HANBURY - (STAFFORDSHIRE) STW (SSTO)
EA ID / permit
SVT01036 · T/33/35725/R
Outlet location
SK1777528650 (OS grid reference) · View on Apple Maps
WFD catchment
Dove - R Churnet to R Trent (GB104028052420)
2024 spills / hours
8 / 4.5
Long-term average
7.5 spills a year (monitored since 2020)
Investigation
Operational investigation completed
Improvement
Operational improvement completed
Volume & pollution
Estimate from 1.2 hours spilling →
Tributary of River Dove 1 1.2 down 88% 100%
Wolverhampton - Pond Ln-Kent Rd CSO
Overflow on sewer network
Company site name
WOLVERHAMPTON - POND LANE/KENT RD (CSO)
EA ID / permit
SVT02593 · T/08/36056/O
Outlet location
SO9318197386 (OS grid reference) · View on Apple Maps
WFD catchment
Tame (W/ton Arm) source to conf Oldbury (GB104028046930)
2024 spills / hours
3 / 3.2
Long-term average
1.8 spills a year (monitored since 2021)
Investigation
Env Act (SODRP) investigation ongoing, Operational investigation completed
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 1.2 hours spilling →
River Tame (Wolverhampton Arm) 3 1.2 no change 100%
Collycroft Combined Sewer Overflow
Overflow on sewer network
Company site name
BEDWORTH - NUNEATON ROAD (CSO)
EA ID / permit
SVT00618 · T/19/02814/O
Outlet location
SP3586988208 (OS grid reference) · View on Apple Maps
WFD catchment
Wem Brook from Source to River Anker (GB104028042430)
2024 spills / hours
0 / 0.0
Long-term average
6.1 spills a year (monitored since 2019)
Investigation
Env Act (SODRP) investigation ongoing, Operational investigation ongoing
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 1.2 hours spilling →
Coventry Canal 8 1.2 up from 0 99%
Eccleshall - Stone Road PS (CSO)
Storm discharge at pumping station
EA ID / permit
SVT00839 · Permit application submitted
Outlet location
SJ8327829375 (OS grid reference) · View on Apple Maps
WFD catchment
Sow - Brockton Bk to Doxey Bk (GB104028047220)
2024 spills / hours
67 / 433
Long-term average
45.3 spills a year (monitored since 2023)
Investigation
UWWTR investigation completed
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 1.2 hours spilling →
Tributary of the River Sow 2 1.2 down 97% 100%
Shawell Sewage Treament Works
Storm tank at sewage works
Sewage works
Shawell Sewage Treament Works
Company site name
SHAWELL STW (SSTO)
EA ID / permit
SVT01987 · S/10/26120/R
Outlet location
SP5461080470 (OS grid reference) · View on Apple Maps
WFD catchment
Avon - ClaycotonYelvertoft Bk to conf R Sowe (GB109054043920)
2024 spills / hours
8 / 7.7
Long-term average
38.8 spills a year (monitored since 2021)
Investigation
UWWTR investigation completed, Operational investigation completed
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 1.2 hours spilling →
Tributary of the River Avon 3 1.2 down 63% 100%
CSO at Wallbridge Pumping Station
Storm discharge at pumping station
Company site name
STROUD - WALLBRIDGE (SSO)
EA ID / permit
SVT00708 · EPRMB3943KL
Outlet location
SO8458505043 (OS grid reference) · View on Apple Maps
WFD catchment
Frome - source to Ebley Mill (GB109054032470)
2024 spills / hours
9 / 134
Long-term average
43.1 spills a year (monitored since 2019)
Investigation
UWWTR investigation completed, Operational investigation completed
Improvement
Operational improvement completed
Volume & pollution
Estimate from 1.2 hours spilling →
River Frome 1 1.2 down 89% 97%
Dingle Road Combined Sewer Overflow
Overflow on sewer network
Company site name
STOURBRIDGE - DINGLE ROAD (CSO)
EA ID / permit
SVT00770 · S/06/22135/O
Outlet location
SO9085382720 (OS grid reference) · View on Apple Maps
WFD catchment
Stour (Worcs) source to conf Smestow Bk (GB109054044750)
2024 spills / hours
24 / 8.8
Long-term average
26.3 spills a year (monitored since 2020)
Investigation
UWWTR investigation completed, Operational investigation ongoing
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 1.2 hours spilling →
Tributary of River Stour 12 1.2 down 50% 100%
Manor Road Combined Sewer Overflow
Overflow on sewer network
Company site name
CHURCH WARSOP - MANOR ROAD (CSO)
EA ID / permit
SVT01476 · T/71/40116/O
Outlet location
SK5742668885 (OS grid reference) · View on Apple Maps
WFD catchment
Meden from Sookholme Brook to Maun (GB104028058060)
2024 spills / hours
2 / 3.4
Long-term average
1.7 spills a year (monitored since 2019)
Investigation
No investigation activity in reporting period
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 1.2 hours spilling →
River Meden 1 1.2 down 50% 100%
Talbot Lane PS - Emerg/Storm O/F
Storm discharge at pumping station
Company site name
THRINGSTONE - TALBOT LANE (SSO)
EA ID / permit
SVT02269 · T/57/03208/O
Outlet location
SK4520017200 (OS grid reference) · View on Apple Maps
WFD catchment
Black Brook from Source to Grace Dieu Brook (GB104028047070)
2024 spills / hours
2 / 1.3
Long-term average
2.5 spills a year (monitored since 2020)
Investigation
No investigation activity in reporting period
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 1.2 hours spilling →
Grace Dieu Brook (Trib) 2 1.2 no change 100%
Oxclose Lane SPS
Storm discharge at pumping station
Company site name
MANSFIELD - OXCLOSE LANE (SSO)
EA ID / permit
SVT00392 · EPRHB3997AB
Outlet location
SK5152064850 (OS grid reference) · View on Apple Maps
WFD catchment
Meden from Source to Sookholme Brook (GB104028058020)
2024 spills / hours
8 / 5.4
Long-term average
14.1 spills a year (monitored since 2019)
Investigation
UWWTR investigation ongoing, Operational investigation ongoing
Improvement
UWWTR improvement completed
Volume & pollution
Estimate from 1.2 hours spilling →
River Meden 4 1.2 down 50% 100%
Kirkby Folly Road Roundhill CSO
Overflow on sewer network
Company site name
SUTTON IN ASHFIELD - STATION RD (SSO)
EA ID / permit
SVT02703 · T/70/07278/O
Outlet location
SK5110858529 (OS grid reference) · View on Apple Maps
WFD catchment
Maun from Source to Vicar Water (GB104028052960)
2024 spills / hours
7 / 1.2
Long-term average
20.0 spills a year (monitored since 2020)
Investigation
Env Act (SODRP) investigation ongoing, UWWTR investigation ongoing, Operational investigation completed
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 1.2 hours spilling →
Tributary of River Maun 6 1.2 down 14% 100%
Meadow Road SPS
Storm discharge at pumping station
Company site name
DERBY - MEADOW ROAD (SSO)
EA ID / permit
SVT01525 · T/48/45234/O
Outlet location
SK3592036270 (OS grid reference) · View on Apple Maps
WFD catchment
Derwent from Bottle Brook to Trent (GB104028053240)
2024 spills / hours
0 / 0.0
Long-term average
6.2 spills a year (monitored since 2020)
Investigation
Operational investigation completed
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 1.2 hours spilling →
River Derwent 1 1.2 up from 0 100%
Scunthorpe High St/ Trafford St CSO
Overflow on sewer network
Company site name
SCUNTHORPE - BERKELEY STREET (CSO)
EA ID / permit
SVT01959 · EPRTB3794EG
Outlet location
SE9191012210 (OS grid reference) · View on Apple Maps
WFD catchment
Bottesford Beck Catchment (trib of Trent) (GB104028064290)
2024 spills / hours
0 / 0.0
Long-term average
2.4 spills a year (monitored since 2021)
Investigation
Env Act (SODRP) investigation ongoing
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 1.2 hours spilling →
Bottesford Beck Culvert 3 1.2 up from 0 100%
Windsor Grove CSO
Overflow on sewer network
Company site name
WORDSLEY - WINDSOR GROVE (CSO)
EA ID / permit
SVT02573 · S/06/08130/O
Outlet location
SO8901586357 (OS grid reference) · View on Apple Maps
WFD catchment
Stour (Worcs) source to conf Smestow Bk (GB109054044750)
2024 spills / hours
2 / 1.3
Long-term average
1.7 spills a year (monitored since 2020)
Investigation
Operational investigation ongoing
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 1.2 hours spilling →
Wordsley Brook 3 1.2 up 50% 98%
The Column Combined Sewer Overflow
Overflow on sewer network
Company site name
SHREWSBURY - ABBEY FOREGATE 1 (CSO)
EA ID / permit
SVT02282 · S/02/21026/O
Outlet location
SJ5040211916 (OS grid reference) · View on Apple Maps
WFD catchment
Rea Bk - conf Pontesford Bk to conf R Severn (GB109054049630)
2024 spills / hours
0 / 0.0
Long-term average
10.1 spills a year (monitored since 2019)
Investigation
UWWTR investigation completed, Operational investigation completed
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 1.2 hours spilling →
Rea Brook 6 1.2 up from 0 100%
New Road Pumping Station
Storm discharge at pumping station
Company site name
DUDLEY - NEW ROAD PS (SO)
EA ID / permit
SVT01620 · S/06/50091/O
Outlet location
SO9426089040 (OS grid reference) · View on Apple Maps
WFD catchment
Stour (Worcs) source to conf Smestow Bk (GB109054044750)
2024 spills / hours
2 / 0.3
Long-term average
2.0 spills a year (monitored since 2020)
Investigation
No investigation activity in reporting period
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 1.2 hours spilling →
Trib of Mousesweet Brook 3 1.2 up 50% 100%
Bank Road Combined Sewer Overflow
Overflow on sewer network
Company site name
MATLOCK - BANK RD(COUNCIL OFFICES) (CSO)
EA ID / permit
SVT00172 · T/40/12290/O
Outlet location
SK2971060290 (OS grid reference) · View on Apple Maps
WFD catchment
Derwent from Wye to Amber (GB104028052390)
2024 spills / hours
2 / 0.3
Long-term average
4.9 spills a year (monitored since 2017)
Investigation
Operational investigation ongoing
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 1.1 hours spilling →
River Derwent 4 1.1 up 100% 100%
Nottingham Valley Rd/Tennis Cts CSO
Overflow on sewer network
Company site name
NOTTINGHAM - VALLEY ROAD/TENNIS COURTS (CSO)
EA ID / permit
SVT01693 · T/63/12284/O
Outlet location
SK5651343686 (OS grid reference) · View on Apple Maps
WFD catchment
Day Brook Catchment (trib of Leen) (GB104028052860)
2024 spills / hours
2 / 0.7
Long-term average
2.6 spills a year (monitored since 2021)
Investigation
Env Act (SODRP) investigation ongoing, Operational investigation ongoing
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 1.1 hours spilling →
Day Brook 2 1.1 no change 100%
Downing Street CSO
Overflow on sewer network
Company site name
SMETHWICK - DOWNING STREET (CSO)
EA ID / permit
SVT00788 · T/08/35702/O
Outlet location
SP0285689220 (OS grid reference) · View on Apple Maps
WFD catchment
Hockley Brook Catchment (trib of Rea) (GB104028042640)
2024 spills / hours
0 / 0.0
Long-term average
1.0 spills a year (monitored since 2019)
Investigation
Env Act (SODRP) investigation ongoing
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 1.1 hours spilling →
Hockley Brook 1 1.1 up from 0 100%
Screveton - Knights Close (CSO)
Overflow on sewer network
EA ID / permit
SVT02700 · Unpermitted
Outlet location
SK7311743645 (OS grid reference) · View on Apple Maps
WFD catchment
Car Dyke (GB104028052501)
2024 spills / hours
0 / 0.0
Long-term average
1.0 spills a year (monitored since 2025)
Monitor below 90%
Sensor failure / issue · Resolved - May
Investigation
Operational investigation completed
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 1.1 hours spilling →
Car Dyke 1 1.1 up from 0 66%
Saltley - Arden Road (CSO)
Overflow on sewer network
EA ID / permit
SVT00089 · Permit application submitted
Outlet location
SP0961388803 (OS grid reference) · View on Apple Maps
WFD catchment
Rea from Bourn Brook to River Tame (GB104028042550)
2024 spills / hours
12 / 4.3
Long-term average
10.0 spills a year (monitored since 2021)
Investigation
Env Act (SODRP) investigation ongoing, UWWTR investigation ongoing, Operational investigation ongoing
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 1.1 hours spilling →
Trib of River Rea 3 1.1 down 75% 100%
Edgbaston - Wheeleys Rd (CSO)
Overflow on sewer network
EA ID / permit
SVT01752 · Unpermitted
Outlet location
SP0739685240 (OS grid reference) · View on Apple Maps
WFD catchment
Rea from Bourn Brook to River Tame (GB104028042550)
2024 spills / hours
4 / 1.5
Long-term average
5.0 spills a year (monitored since 2025)
Investigation
No investigation activity in reporting period
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 1.1 hours spilling →
River Rea 5 1.1 up 25% 100%
Scunthorpe - Burringham/Dryden Rd (CSO)
Overflow on sewer network
EA ID / permit
SVT00424 · T/81/08788/O
Outlet location
SE8735108772 (OS grid reference) · View on Apple Maps
WFD catchment
Bottesford Beck Catchment (trib of Trent) (GB104028064290)
2024 spills / hours
0 / 0.0
Long-term average
1.0 spills a year (monitored since 2019)
Investigation
Env Act (SODRP) investigation ongoing
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 1.1 hours spilling →
Earl Beauchamps Warping Drain 3 1.1 up from 0 100%
Harborne - High Street/Station Road (CSO)
Overflow on sewer network
EA ID / permit
SVT01053 · Permit application submitted
Outlet location
SP0390985035 (OS grid reference) · View on Apple Maps
WFD catchment
Bourn Brook from Source to R Rea (GB104028042540)
2024 spills / hours
7 / 1.5
Long-term average
8.0 spills a year (monitored since 2021)
Monitor below 90%
Comms failure / issue · Resolved - Mar
Investigation
Operational investigation completed
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 1.1 hours spilling →
Chad Brook 7 1.1 no change 83%
Wigston Fields CSO
Overflow on sewer network
Company site name
WIGSTON - MOAT STREET (CSO)
EA ID / permit
SVT02557 · EPRQB3395RF
Outlet location
SP5940398061 (OS grid reference) · View on Apple Maps
WFD catchment
Sence from Countesthorpe Brook to Soar (GB104028046870)
2024 spills / hours
6 / 3.0
Long-term average
2.2 spills a year (monitored since 2020)
Investigation
Operational investigation ongoing
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 1.1 hours spilling →
River Sence (Soar) (Trib) 1 1.1 down 83% 100%
Woodstock Road CSO
Overflow on sewer network
Company site name
TOTON - WOODSTOCK ROAD (CSO)
EA ID / permit
SVT02621 · T/62/21206/O
Outlet location
SK4981134358 (OS grid reference) · View on Apple Maps
WFD catchment
Erewash from Gilt Brook to Trent (GB104028052480)
2024 spills / hours
7 / 2.8
Long-term average
11.3 spills a year (monitored since 2019)
Investigation
Env Act (SODRP) investigation ongoing, UWWTR investigation completed, Operational investigation completed
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 1.1 hours spilling →
River Erewash 8 1.1 up 14% 100%
Castle Road CSO
Overflow on sewer network
Company site name
STUDLEY - CASTLE ROAD (CSO)
EA ID / permit
SVT00494 · S/15/23166/O
Outlet location
SP0763063927 (OS grid reference) · View on Apple Maps
WFD catchment
Arrow - source to Spernall Hall Fm, Studley (GB109054043890)
2024 spills / hours
2 / 1.0
Long-term average
2.7 spills a year (monitored since 2019)
Monitor below 90%
Comms failure / issue · Resolved - Mar
Investigation
Operational investigation completed
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 1.1 hours spilling →
River Arrow 4 1.1 up 100% 82%
Upper Tysoe - Smarts Lane SPS
Storm discharge at pumping station
Company site name
UPPER TYSOE - SMARTS LANE (SSO)
EA ID / permit
SVT02371 · S/14/09028/O
Outlet location
SP3354243480 (OS grid reference) · View on Apple Maps
WFD catchment
Wagtail Bk - source to conf R Stour (Warks) (GB109054039890)
2024 spills / hours
14 / 14
Long-term average
6.0 spills a year (monitored since 2021)
Investigation
Operational investigation completed
Improvement
Operational improvement completed
Volume & pollution
Estimate from 1.1 hours spilling →
Tributary of Wagtail Brook 5 1.1 down 64% 100%
Stourport PS Tank 1 (CSO)
Storm discharge at pumping station
EA ID / permit
SVT02731 · S/06/55077/O
Outlet location
SO8150371398 (OS grid reference) · View on Apple Maps
WFD catchment
Stour (Worcs) - conf Smestow Bk to conf R Severn (GB109054044710)
2024 spills / hours
– / –
Investigation
Operational investigation completed
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 1.1 hours spilling →
River Stour 2 1.1 96%
Greasley Road 3 CSO
Overflow on sewer network
Company site name
ABBEY HULTON - GREASLEY ROAD (CSO)
EA ID / permit
SVT00989 · T/01/35799/O
Outlet location
SJ9041148703 (OS grid reference) · View on Apple Maps
WFD catchment
Trent - Ford Green Bk to Fowlea Bk (GB104028053301)
2024 spills / hours
4 / 0.2
Long-term average
5.5 spills a year (monitored since 2020)
Investigation
Env Act (SODRP) investigation ongoing
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 1.1 hours spilling →
Tributary of River Trent 8 1.1 up 100% 100%
Coventry Road Storm Overflow
Overflow on sewer network
Company site name
COLESHILL - COVENTRY RD (SO)
EA ID / permit
SVT00656 · T/13/30009/O
Outlet location
SP2050088190 (OS grid reference) · View on Apple Maps
WFD catchment
Blythe from Patrick Bridge to R Tame (GB104028042572)
2024 spills / hours
6 / 5.5
Long-term average
4.5 spills a year (monitored since 2022)
Monitor below 90%
Access - Unable to retrieve data from non-telemetry data logger · Resolved - Nov
Investigation
Env Act (SODRP) investigation ongoing, Operational investigation completed
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 1.1 hours spilling →
Trib of River Blythe 3 1.1 down 50% 20%
Castle Gresley Burton Rd (Bonas)SPS
Storm discharge at pumping station
Company site name
CASTLE GRESLEY - BURTON RD (BONAS) (SSO)
EA ID / permit
SVT00491 · T/24/21773/O
Outlet location
SK2810617818 (OS grid reference) · View on Apple Maps
WFD catchment
Darklands Brook Catchment (trib of Trent) (GB104028047310)
2024 spills / hours
0 / 0.0
Long-term average
6.4 spills a year (monitored since 2017)
Investigation
Env Act (SODRP) investigation ongoing
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 1.0 hours spilling →
Castle Gresley Brook 1 1.0 up from 0 100%
Calthorpe Fields CSO 1
Overflow on sewer network
Company site name
EDGBASTON - FREDERICK RD 2 (CSO)
EA ID / permit
SVT00451 · T/09/35020/O
Outlet location
SP0739685240 (OS grid reference) · View on Apple Maps
WFD catchment
Rea from Bourn Brook to River Tame (GB104028042550)
2024 spills / hours
1 / 0.0
Long-term average
1.7 spills a year (monitored since 2020)
Investigation
Env Act (SODRP) investigation ongoing
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 1.0 hours spilling →
River Rea 4 1.0 up 300% 98%
Grafton Road CSO
Overflow on sewer network
Company site name
LONGTON - CAROLINE/LOWER CROSS ST (CSO)
EA ID / permit
SVT00980 · T/01/07540/O
Outlet location
SJ9100243594 (OS grid reference) · View on Apple Maps
WFD catchment
Longton Bk - source to R Trent (GB104028053273)
2024 spills / hours
0 / 0.0
Long-term average
3.3 spills a year (monitored since 2019)
Investigation
Env Act (SODRP) investigation ongoing, Operational investigation completed
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 1.0 hours spilling →
Cockster Brook 5 1.0 up from 0 100%

Sewage treatment works

Storm tanks and inlet overflows at each Severn Trent Water sewage works. The figures are 2025 spills.

← All water companies · Contains Environment Agency data licensed under the Open Government Licence v3.0. How to read the data.