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
Woodseaves Sewage Treatment Works
Inlet overflow at sewage works
Sewage works
Woodseaves
Company site name
WOODSEAVES STW (CSO)
EA ID / permit
SVT02619 · S/04/56177/R
Outlet location
SJ7935625124 (OS grid reference) · View on Apple Maps
WFD catchment
Lonco Bk - source to conf R Meese (GB109054055080)
2024 spills / hours
32 / 48
Long-term average
47.0 spills a year (monitored since 2021)
Investigation
UWWTR investigation ongoing, Operational investigation ongoing
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 6.7 hours spilling →
Trib of Lonco Brook 16 6.7 down 50% 100%
Goms Mill CSO
Overflow on sewer network
Company site name
DRESDEN - KIMBERLEY ST (GOMS MILL) (CSO)
EA ID / permit
SVT00971 · T/01/30035/O
Outlet location
SJ9055142565 (OS grid reference) · View on Apple Maps
WFD catchment
Longton Bk - source to R Trent (GB104028053273)
2024 spills / hours
11 / 14
Long-term average
20.3 spills a year (monitored since 2020)
Investigation
Env Act (SODRP) investigation ongoing, UWWTR investigation ongoing
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 6.6 hours spilling →
Tributary of Longton Brook 11 6.6 no change 100%
Gracedieu - Loughborogh Road SPS
Storm discharge at pumping station
Company site name
GRACEDIEU - LOUGHBOROUGH ROAD (SSO)
EA ID / permit
SVT00979 · T/57/03613/O
Outlet location
SK4337918262 (OS grid reference) · View on Apple Maps
WFD catchment
Grace Dieu Brook Catchment (trib of Black Brook) (GB104028047090)
2024 spills / hours
10 / 8.9
Long-term average
3.5 spills a year (monitored since 2021)
Investigation
Env Act (SODRP) investigation ongoing
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 6.6 hours spilling →
Grace Dieu Brook 2 6.6 down 80% 100%
New Balderton - London Road (CSO)
Overflow on sewer network
EA ID / permit
SVT01617 · Permit application submitted
Outlet location
SK8125652437 (OS grid reference) · View on Apple Maps
WFD catchment
Middle Beck Catchment (trib of Devon) (GB104028052633)
2024 spills / hours
13 / 25
Long-term average
9.0 spills a year (monitored since 2022)
Investigation
UWWTR investigation ongoing, Operational investigation ongoing
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 6.6 hours spilling →
Local Ditch 4 6.6 down 69% 100%
Mapperley Village Storm Overflow
Overflow on sewer network
Company site name
ILKESTON - SANDERS CLOSE (CSO)
EA ID / permit
SVT01490 · T/61/12297/O
Outlet location
SK4495042650 (OS grid reference) · View on Apple Maps
WFD catchment
Nut Brook Catchment (trib of Erewash) (GB104028052520)
2024 spills / hours
2 / 2.7
Long-term average
1.3 spills a year (monitored since 2022)
Investigation
Operational investigation ongoing
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 6.6 hours spilling →
Nut Brook 3 6.6 up 50% 100%
Coton Hill CSO
Overflow on sewer network
Company site name
SHREWSBURY - COTON HILL (THE FLASH) (CSO)
EA ID / permit
SVT00643 · S/02/21023/O
Outlet location
SJ4903713402 (OS grid reference) · View on Apple Maps
WFD catchment
Severn - conf Bele Bk to conf Sundorne Bk (GB109054049142)
Bathing water
River Severn in Shrewsbury
2024 spills / hours
18 / 20
Long-term average
37.0 spills a year (monitored since 2020)
Investigation
Env Act (SODRP) investigation ongoing, UWWTR investigation completed, Operational investigation completed
Improvement
Operational improvement completed
Volume & pollution
Estimate from 6.5 hours spilling →
River Severn 23 6.5 up 28% 100%
Warstones Rd/Warstones Crescent CSO
Storm discharge at pumping station
Company site name
PENN - WARSTONES RD/WARSTONES CRES (CSO)
EA ID / permit
SVT02453 · S/06/22071/O
Outlet location
SO8812096590 (OS grid reference) · View on Apple Maps
WFD catchment
Merryhill Bk - source to conf Wom-Penn Bk (GB109054044811)
2024 spills / hours
12 / 1.7
Long-term average
12.0 spills a year (monitored since 2020)
Investigation
UWWTR investigation ongoing
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 6.5 hours spilling →
Warstones Brook 19 6.5 up 58% 100%
Barrow - Proctors Park Road 2 (CSO)
Overflow on sewer network
EA ID / permit
SVT00185 · Permit application submitted
Outlet location
SK5728217258 (OS grid reference) · View on Apple Maps
WFD catchment
Soar from Rothley Brook to Long Whatton Brook (GB104028047211)
2024 spills / hours
33 / 292
Long-term average
22.8 spills a year (monitored since 2022)
Investigation
Env Act (SODRP) investigation ongoing, UWWTR investigation completed, Operational investigation completed
Improvement
Operational improvement completed
Volume & pollution
Estimate from 6.5 hours spilling →
River Soar 12 6.5 down 64% 100%
Old Mill Close CSO
Overflow on sewer network
Company site name
BESTWOOD - OLD MILL CLOSE (CSO)
EA ID / permit
SVT01716 · T/63/07757/O
Outlet location
SK5471747009 (OS grid reference) · View on Apple Maps
WFD catchment
Leen from Source to Day Brook (GB104028052880)
2024 spills / hours
16 / 9.8
Long-term average
13.1 spills a year (monitored since 2019)
Investigation
UWWTR investigation ongoing, Operational investigation completed
Improvement
Operational improvement completed
Volume & pollution
Estimate from 6.5 hours spilling →
River Leen 14 6.5 down 13% 100%
Broadway (Golf Course) CSO
Overflow on sewer network
Company site name
WALSALL - BROADWAY (GOLF COURSE) (CSO)
EA ID / permit
SVT00367 · T/08/03680/O
Outlet location
SP0259196931 (OS grid reference) · View on Apple Maps
WFD catchment
Tame - conf two arms to R Rea (GB104028046842)
2024 spills / hours
5 / 4.0
Long-term average
4.1 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 6.5 hours spilling →
Full Brook 6 6.5 up 20% 92%
Chell Heath Road CSO
Overflow on sewer network
Company site name
BRADELEY - CHELL HEATH ROAD (CSO)
EA ID / permit
SVT00524 · T/01/35689/O
Outlet location
SJ8849050850 (OS grid reference) · View on Apple Maps
WFD catchment
Ford Green Brook from Source to R Trent (GB104028053380)
2024 spills / hours
24 / 10.0
Long-term average
10.3 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 6.5 hours spilling →
Tributary of Ford Green Brook 25 6.5 up 4% 100%
Barwell - Farm Road (SSO)
Storm discharge at pumping station
EA ID / permit
SVT00192 · Permit application submitted
Outlet location
SP4516397832 (OS grid reference) · View on Apple Maps
WFD catchment
Thurlaston Brook Catchment (trib of Soar) (GB104028046940)
2024 spills / hours
17 / 162
Long-term average
6.8 spills a year (monitored since 2021)
Investigation
Env Act (SODRP) investigation ongoing, Operational investigation completed
Improvement
Operational improvement completed
Volume & pollution
Estimate from 6.4 hours spilling →
Local Ditch 2 6.4 down 88% 100%
Laxley Road - Albemarie Road CSO
Overflow on sewer network
Company site name
CROSS HEATH - LAXLEY ROAD (CSO)
EA ID / permit
SVT01325 · T/01/36473/O
Outlet location
SJ8421847006 (OS grid reference) · View on Apple Maps
WFD catchment
Lyme Brook Catchment (trib of Trent) (GB104028053340)
2024 spills / hours
15 / 7.3
Long-term average
17.7 spills a year (monitored since 2019)
Investigation
Env Act (SODRP) investigation ongoing, UWWTR investigation ongoing, Operational investigation ongoing
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 6.4 hours spilling →
Ashfield Brook 18 6.4 up 20% 98%
Leicester Road
Overflow on sewer network
Company site name
NARBOROUGH - LEICESTER ROAD (CSO)
EA ID / permit
SVT01347 · T/50/21104/O
Outlet location
SP5477098070 (OS grid reference) · View on Apple Maps
WFD catchment
Soar from Thurlaston Brook to Sence (GB104028046880)
2024 spills / hours
6 / 11
Long-term average
2.3 spills a year (monitored since 2022)
Investigation
Operational investigation completed
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 6.3 hours spilling →
Trib of River Soar 1 6.3 down 83% 99%
Brentford Road CSO
Overflow on sewer network
Company site name
SOLIHULL - BRENTFORD ROAD (CSO)
EA ID / permit
SVT00337 · T/11/36449/O
Outlet location
SP1348779068 (OS grid reference) · View on Apple Maps
WFD catchment
Blythe from Source to Cuttle Brook (GB104028042400)
2024 spills / hours
4 / 4.7
Long-term average
2.3 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 6.3 hours spilling →
Alder Brook 2 6.3 down 50% 100%
Glenfield/Kirby Muxloe PS/Stm/SWS
Overflow on sewer network
Company site name
KIRBY MUXLOE - RATBY LANE (CSO)
EA ID / permit
SVT00959 · EPRKB3596NG
Outlet location
SK5458006877 (OS grid reference) · View on Apple Maps
WFD catchment
Rothley Brook Catchment (trib of Soar) (GB104028046730)
2024 spills / hours
4 / 1.3
Long-term average
9.1 spills a year (monitored since 2019)
Investigation
Operational investigation completed
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 6.3 hours spilling →
Glenfield/Braunstone/K/Mux Br 9 6.3 up 125% 99%
Portland Street CSO
Overflow on sewer network
Company site name
WALSALL - PORTLAND STREET (CSO)
EA ID / permit
SVT01816 · T/08/09218A/O
Outlet location
SP0143599216 (OS grid reference) · View on Apple Maps
WFD catchment
Ford Brook from Source to River Tame (GB104028046990)
2024 spills / hours
13 / 9.2
Long-term average
12.4 spills a year (monitored since 2019)
Investigation
UWWTR investigation ongoing, Operational investigation ongoing
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 6.3 hours spilling →
Ford Brook 12 6.3 down 8% 100%
Knighton Fields - Knighton Flds Rd (CSO)
Overflow on sewer network
EA ID / permit
SVT01184 · Unpermitted
Outlet location
SK5937202432 (OS grid reference) · View on Apple Maps
WFD catchment
Wash Brook Catchment (trib of Soar) (GB104028046910)
2024 spills / hours
11 / 19
Long-term average
4.8 spills a year (monitored since 2022)
Investigation
UWWTR investigation ongoing
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 6.2 hours spilling →
Saffron Brook 2 6.2 down 82% 98%
Castle Orchard CSO
Overflow on sewer network
Company site name
DUFFIELD - MILFORD ROAD (CSO)
EA ID / permit
SVT00492 · T/42/07163/O
Outlet location
SK3451943947 (OS grid reference) · View on Apple Maps
WFD catchment
Derwent from Amber to Bottle Brook (GB104028052310)
2024 spills / hours
0 / 0.0
Long-term average
28.3 spills a year (monitored since 2020)
Investigation
UWWTR investigation ongoing
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 6.2 hours spilling →
River Derwent 4 6.2 up from 0 100%
Bell Lane/Walstead Road CSO
Overflow on sewer network
Company site name
THE DELVES - WALSTEAD RD/BELL LANE (CSO)
EA ID / permit
SVT00239 · T/08/35632/O
Outlet location
SP0264396376 (OS grid reference) · View on Apple Maps
WFD catchment
Tame - conf two arms to R Rea (GB104028046842)
2024 spills / hours
8 / 6.8
Long-term average
52.0 spills a year (monitored since 2019)
Investigation
Env Act (SODRP) investigation ongoing, UWWTR investigation completed, Operational investigation ongoing
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 6.2 hours spilling →
Tributary of the Full Brook 5 6.2 down 38% 100%
Leasow Drive CSO
Overflow on sewer network
Company site name
SELLY OAK - LEASOW DRIVE (CSO)
EA ID / permit
SVT01336 · T/09/36344/O
Outlet location
SP0402883205 (OS grid reference) · View on Apple Maps
WFD catchment
Bourn Brook from Source to R Rea (GB104028042540)
2024 spills / hours
3 / 1.4
Long-term average
1.5 spills a year (monitored since 2020)
Investigation
No investigation activity in reporting period
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 6.2 hours spilling →
Bourn Brook 3 6.2 no change 100%
Woodhouse SPS and Various SPS
Storm discharge at pumping station
Company site name
ROTHLEY - MOUNTSORREL LANE PS (CSO)
EA ID / permit
SVT02616 · T/56/02858/O
Outlet location
SK5527014480 (OS grid reference) · View on Apple Maps
WFD catchment
Rothley Brook Catchment (trib of Soar) (GB104028046730)
2024 spills / hours
0 / 0.0
Long-term average
0.3 spills a year (monitored since 2022)
Investigation
Operational investigation completed
Improvement
Operational improvement completed
Volume & pollution
Estimate from 6.2 hours spilling →
Various Sites River Soar 1 6.2 up from 0 100%
Yardley Blakesley Road CSO
Overflow on sewer network
Company site name
YARDLEY - BLAKESLEY ROAD (CSO)
EA ID / permit
SVT02647 · T/12/21541/O
Outlet location
SP1223086375 (OS grid reference) · View on Apple Maps
WFD catchment
Cole from Springfield to Hatchford-Kingshurst Brook (GB104028042502)
2024 spills / hours
3 / 14
Long-term average
6.8 spills a year (monitored since 2021)
Investigation
UWWTR investigation completed
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 6.1 hours spilling →
River Cole 1 6.1 down 67% 100%
Walsall Corporation Street West CSO
Overflow on sewer network
Company site name
WALSALL - CORPORATION STREET WEST (CSO)
EA ID / permit
SVT02430 · T/08/35073/O
Outlet location
SP0071297791 (OS grid reference) · View on Apple Maps
WFD catchment
Ford Brook from Source to River Tame (GB104028046990)
2024 spills / hours
7 / 14
Long-term average
6.1 spills a year (monitored since 2019)
Investigation
Operational investigation completed
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 6.1 hours spilling →
Ford Brook 6 6.1 down 14% 100%
Meden Bank Combined Sewer Overflow
Overflow on sewer network
Company site name
SUTTON IN ASHFIELD - FACKLEY ROAD (CSO)
EA ID / permit
SVT01533 · EPRHB3990RM
Outlet location
SK4830661143 (OS grid reference) · View on Apple Maps
WFD catchment
Meden from Source to Sookholme Brook (GB104028058020)
2024 spills / hours
4 / 3.2
Long-term average
11.6 spills a year (monitored since 2019)
Investigation
UWWTR investigation completed
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 6.1 hours spilling →
River Meden 2 6.1 down 50% 98%
Toll End - Solly Grove (SO)
Overflow on sewer network
EA ID / permit
SVT02331 · Permit application submitted
Outlet location
SO9788293155 (OS grid reference) · View on Apple Maps
WFD catchment
Tame (Oldbury Arm) - source to conf R Tame (Wton Arm) (GB104028042601)
2024 spills / hours
2 / 1.9
Long-term average
2.0 spills a year (monitored since 2025)
Investigation
Operational investigation completed
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 6.1 hours spilling →
River Tame 2 6.1 no change 100%
Hall Lane CSO
Storm discharge at pumping station
Company site name
WALSALL WOOD - HALL LANE (CSO)
EA ID / permit
SVT01026 · T/08/35821/O
Outlet location
SK0420903515 (OS grid reference) · View on Apple Maps
WFD catchment
Ford Brook from Source to River Tame (GB104028046990)
2024 spills / hours
9 / 7.3
Long-term average
11.0 spills a year (monitored since 2019)
Investigation
Env Act (SODRP) investigation ongoing, UWWTR investigation ongoing, Operational investigation ongoing
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 6.0 hours spilling →
Trib of Ford Brook 6 6.0 down 33% 100%
Kegworth - High Street CSO
Overflow on sewer network
Company site name
KEGWORTH - HIGH STREET (CSO)
EA ID / permit
SVT01239 · T/57/08994/O
Outlet location
SK4898826455 (OS grid reference) · View on Apple Maps
WFD catchment
Soar from Long Whatton Brook to Trent (GB104028047212)
2024 spills / hours
16 / 7.3
Long-term average
13.7 spills a year (monitored since 2020)
Investigation
Env Act (SODRP) investigation ongoing, UWWTR investigation ongoing
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 6.0 hours spilling →
River Soar 16 6.0 no change 100%
Ratby PS & Village/Stm/Emg/SWS
Storm discharge at pumping station
Company site name
RATBY PS (CSO)
EA ID / permit
SVT01866 · T/56/02657/O
Outlet location
SK5190005200 (OS grid reference) · View on Apple Maps
WFD catchment
Rothley Brook Catchment (trib of Soar) (GB104028046730)
2024 spills / hours
0 / 0.0
Long-term average
1.0 spills a year (monitored since 2020)
Investigation
No investigation activity in reporting period
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 6.0 hours spilling →
Rothley Brook (Tributary) 1 6.0 up from 0 100%
Webheath - Church Road SPS
Storm discharge at pumping station
Company site name
WEBHEATH - CHURCH ROAD PS (CSO)
EA ID / permit
SVT02475 · S/19/25363/O
Outlet location
SP0179666409 (OS grid reference) · View on Apple Maps
WFD catchment
Bow Bk - source to Lett's Mill (GB109054043820)
2024 spills / hours
5 / 14
Long-term average
5.8 spills a year (monitored since 2021)
Investigation
Operational investigation ongoing
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 6.0 hours spilling →
Tributary of Swans Brook 4 6.0 down 20% 98%
Wigston - Countesthorpe Road CSO
Overflow on sewer network
Company site name
WIGSTON - COUNTESTHORPE ROAD (CSO)
EA ID / permit
SVT02555 · T/83/02690/O
Outlet location
SP5857597706 (OS grid reference) · View on Apple Maps
WFD catchment
Sence from Countesthorpe Brook to Soar (GB104028046870)
2024 spills / hours
15 / 5.9
Long-term average
7.0 spills a year (monitored since 2021)
Investigation
Operational investigation completed
Improvement
Operational improvement completed
Volume & pollution
Estimate from 5.9 hours spilling →
River Sence 13 5.9 down 13% 100%
Pleasley - Jenkins Street SPS
Storm discharge at pumping station
Company site name
PLEASLEY - JENKINS STREET (SSO)
EA ID / permit
SVT01801 · T/71/46385/O
Outlet location
SK5054564417 (OS grid reference) · View on Apple Maps
WFD catchment
Meden from Source to Sookholme Brook (GB104028058020)
2024 spills / hours
11 / 89
Long-term average
16.6 spills a year (monitored since 2021)
Investigation
UWWTR investigation ongoing, Operational investigation completed
Improvement
Operational improvement completed
Volume & pollution
Estimate from 5.9 hours spilling →
River Meden 7 5.9 down 36% 100%
Ironbridge - Wharfage Storm PS (CSO)
Storm discharge at pumping station
EA ID / permit
SVT02304 · S/02/07445/O
Outlet location
SJ6710003500 (OS grid reference) · View on Apple Maps
WFD catchment
R Severn conf M Wenlock-Farley Bk to conf R Worfe (GB109054049143)
2024 spills / hours
35 / 103
Long-term average
19.6 spills a year (monitored since 2020)
Investigation
Env Act (SODRP) investigation ongoing, UWWTR investigation ongoing, Operational investigation completed
Improvement
Operational improvement completed
Volume & pollution
Estimate from 5.8 hours spilling →
River Severn 16 5.8 down 54% 100%
Homesford Sewage Pumping Stn
Overflow on sewer network
Company site name
HOMESFORD - DERBY ROAD (CSO)
EA ID / permit
SVT01171 · T/40/45096/O
Outlet location
SK3212055510 (OS grid reference) · View on Apple Maps
WFD catchment
Derwent from Wye to Amber (GB104028052390)
2024 spills / hours
13 / 9.6
Long-term average
16.8 spills a year (monitored since 2021)
Investigation
UWWTR investigation ongoing, Operational investigation completed
Improvement
Operational improvement completed
Volume & pollution
Estimate from 5.8 hours spilling →
River Derwent 9 5.8 down 31% 99%
Darlaston - Bentley Road South CSO
Overflow on sewer network
Company site name
DARLASTON - BENTLEY ROAD SOUTH (CSO)
EA ID / permit
SVT00728 · T/08/30115/O
Outlet location
SO9835998106 (OS grid reference) · View on Apple Maps
WFD catchment
Tame (W/ton Arm) source to conf Oldbury (GB104028046930)
2024 spills / hours
7 / 14
Long-term average
4.4 spills a year (monitored since 2021)
Investigation
Env Act (SODRP) investigation ongoing
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 5.8 hours spilling →
River Tame 3 5.8 down 57% 100%
Old Road CSO at Armitage SPS
Overflow on sewer network
Company site name
ARMITAGE - OLD RD PS (STORM TANKS) (CSO)
EA ID / permit
SVT01717 · TSC110
Outlet location
SK0884816178 (OS grid reference) · View on Apple Maps
WFD catchment
Shropshire Bk (GB104028047260)
2024 spills / hours
4 / 11
Long-term average
5.4 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 5.8 hours spilling →
Tributary of River Trent 7 5.8 up 75% 100%
10 Sutton Road CSO
Overflow on sewer network
Company site name
SHREWSBURY - SUTTON ROAD 10 (CSO)
EA ID / permit
SVT00001 · S/02/21081/O
Outlet location
SJ5049211756 (OS grid reference) · View on Apple Maps
WFD catchment
Rea Bk - conf Pontesford Bk to conf R Severn (GB109054049630)
2024 spills / hours
21 / 20
Long-term average
50.0 spills a year (monitored since 2019)
Investigation
Env Act (SODRP) investigation ongoing, UWWTR investigation ongoing, Operational investigation completed
Improvement
Operational improvement completed
Volume & pollution
Estimate from 5.7 hours spilling →
Rea Brook 10 5.7 down 52% 100%
Brickhouse Lane/Great Bridge CSO
Overflow on sewer network
Company site name
GREAT BRIDGE - GREAT BRIDGE ST (CSO)
EA ID / permit
SVT00342 · T/08/30062/O
Outlet location
SO9785292538 (OS grid reference) · View on Apple Maps
WFD catchment
Tame (Oldbury Arm) - source to conf R Tame (Wton Arm) (GB104028042601)
2024 spills / hours
4 / 3.0
Long-term average
3.0 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 5.7 hours spilling →
River Tame 3 5.7 down 25% 99%
Sheldon Hall Avenue CSO
Overflow on sewer network
Company site name
TILE CROSS - SHELDON HALL AVENUE (CSO)
EA ID / permit
SVT01995 · T/12/22015/O
Outlet location
SP1619087706 (OS grid reference) · View on Apple Maps
WFD catchment
Cole from Springfield to Hatchford-Kingshurst Brook (GB104028042502)
2024 spills / hours
13 / 7.1
Long-term average
9.3 spills a year (monitored since 2019)
Investigation
Operational investigation completed
Improvement
Operational improvement completed
Volume & pollution
Estimate from 5.7 hours spilling →
River Cole 6 5.7 down 54% 96%
W Bromwich Rd Recreation Ground CSO
Overflow on sewer network
Company site name
THE DELVES - WEST BROMWICH ROAD (CSO)
EA ID / permit
SVT02420 · T/08/35624/O
Outlet location
SP0186496472 (OS grid reference) · View on Apple Maps
WFD catchment
Tame - conf two arms to R Rea (GB104028046842)
2024 spills / hours
21 / 133
Long-term average
18.3 spills a year (monitored since 2020)
Investigation
Env Act (SODRP) investigation ongoing, UWWTR investigation completed, Operational investigation completed
Improvement
Operational improvement completed
Volume & pollution
Estimate from 5.7 hours spilling →
Full Brook 3 5.7 down 86% 100%
Albert Square CSO
Overflow on sewer network
Company site name
MANSFIELD WOODHOUSE - ALBERT SQ (CSO)
EA ID / permit
SVT00034 · T/71/09179/O
Outlet location
SK5468964117 (OS grid reference) · View on Apple Maps
WFD catchment
Meden from Source to Sookholme Brook (GB104028058020)
2024 spills / hours
25 / 22
Long-term average
22.4 spills a year (monitored since 2019)
Investigation
UWWTR investigation ongoing
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 5.6 hours spilling →
Leas Brook 10 5.6 down 60% 99%
Pershore - Cherry Orchard (CSO)
Overflow on sewer network
EA ID / permit
SVT01790 · Permit application submitted
Outlet location
SO9531746437 (OS grid reference) · View on Apple Maps
WFD catchment
Avon conf Workman Br, Evesham to conf R Severn (GB109054044403)
2024 spills / hours
0 / 0.0
Long-term average
8.3 spills a year (monitored since 2022)
High-spill reason (company)
Not asset maintenance - Hydraulic capacity
Investigation
Operational investigation ongoing
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 5.6 hours spilling →
River Avon 32 5.6 up from 0 100%
Desford Road - Storm Overflow
Storm discharge at pumping station
Company site name
ENDERBY - MILL HILL (SSO)
EA ID / permit
SVT00763 · T/50/02176/O
Outlet location
SP5310099900 (OS grid reference) · View on Apple Maps
WFD catchment
Lubbesthorpe Brook Catchment (trib of Soar) (GB104028046920)
2024 spills / hours
4 / 7.2
Long-term average
1.7 spills a year (monitored since 2020)
Investigation
No investigation activity in reporting period
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 5.6 hours spilling →
River Soar (Tributary) 2 5.6 down 50% 100%
St Margarets Way CSO
Overflow on sewer network
Company site name
LEICESTER - ST MARGARETS WAY (CSO)
EA ID / permit
SVT02146 · T/53/21471/O
Outlet location
SK5837405280 (OS grid reference) · View on Apple Maps
WFD catchment
Soar from Sence to Rothley Brook (GB104028047030)
2024 spills / hours
7 / 95
Long-term average
1.6 spills a year (monitored since 2019)
Investigation
No investigation activity in reporting period
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 5.6 hours spilling →
Grand Union Canal 1 5.6 down 86% 100%
Tibberton Pumping Station
Storm discharge at pumping station
Company site name
TIBBERTON - PLOUGH ROAD (CSO)
EA ID / permit
SVT02315 · S/19/21927/R
Outlet location
SO9101058060 (OS grid reference) · View on Apple Maps
WFD catchment
Bow Bk - Shell to conf R Avon (GB109054043712)
2024 spills / hours
1 / 4.3
Long-term average
2.2 spills a year (monitored since 2020)
Investigation
No investigation activity in reporting period
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 5.6 hours spilling →
Crowle Brook 3 5.6 up 200% 100%
Annesley Woodhouse- Forest Rd A CSO
Overflow on sewer network
Company site name
ANNESLEY WOODHOUSE - FOREST ROAD A (CSO)
EA ID / permit
SVT00084 · T/63/07054/O
Outlet location
SK5081353583 (OS grid reference) · View on Apple Maps
WFD catchment
Erewash from Source to Nethergreen Brook (GB104028052740)
2024 spills / hours
2 / 2.2
Long-term average
3.0 spills a year (monitored since 2021)
Investigation
Env Act (SODRP) investigation ongoing
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 5.5 hours spilling →
Tributary of River Erewash 4 5.5 up 100% 100%
Aisby Sewage Treatment Works
Inlet overflow at sewage works
Sewage works
Aisby
Company site name
AISBY STW (CSO)
EA ID / permit
SVT00032 · T/80/45928/R
Outlet location
SK8719493185 (OS grid reference) · View on Apple Maps
WFD catchment
Eau from Source to Northorpe Beck (GB104028057970)
2024 spills / hours
0 / 0.0
Long-term average
2.4 spills a year (monitored since 2021)
Investigation
Operational investigation completed
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 5.5 hours spilling →
Tributary of Aisby Beck 6 5.5 up from 0 100%
Harvington STW
Storm tank at sewage works
Sewage works
Harvington
Company site name
HARVINGTON STW (SSTO)
EA ID / permit
SVT01075 · S/17/26284/R
Outlet location
SP0602348511 (OS grid reference) · View on Apple Maps
WFD catchment
Harvington Bk - source to conf R Avon (GB109054039460)
2024 spills / hours
8 / 53
Long-term average
8.4 spills a year (monitored since 2021)
Investigation
UWWTR investigation ongoing, Operational investigation completed
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 5.5 hours spilling →
Harvington Brook 1 5.5 down 88% 100%
Ashton Under Hill-Cornfield W CSO
Overflow on sewer network
Company site name
ASHTON UNDER HILL - CORNFIELD WAY (CSO)
EA ID / permit
SVT00131 · S/17/26431/O
Outlet location
SP0005538495 (OS grid reference) · View on Apple Maps
WFD catchment
Carrant Bk - source to conf R Avon (GB109054039851)
2024 spills / hours
4 / 16
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 5.5 hours spilling →
Tributary of Carrant Brook 2 5.5 down 50% 100%
Somercotes Road CSO
Overflow on sewer network
Company site name
SOMERCOTES - SOMERCOTES HILL (CSO)
EA ID / permit
SVT02097 · T/61/45739/O
Outlet location
SK4312653496 (OS grid reference) · View on Apple Maps
WFD catchment
Erewash from Source to Nethergreen Brook (GB104028052740)
2024 spills / hours
9 / 7.7
Long-term average
6.9 spills a year (monitored since 2019)
Investigation
Env Act (SODRP) investigation ongoing
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 5.5 hours spilling →
Trib of the River Erewash 3 5.5 down 67% 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.