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
Hinckley - Hawley Rd/Station Rd (CSO)
Overflow on sewer network
EA ID / permit
SVT01091 · EPRJB3698VD
Outlet location
SP4247893075 (OS grid reference) · View on Apple Maps
WFD catchment
Sketchley Brook from Source to River Anker (GB104028042470)
2024 spills / hours
3 / 0.3
Long-term average
4.6 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 31 hours spilling →
Sketchley Brook 18 31 up 500% 96%
Long Lane Combined Sewer Overflow
Overflow on sewer network
Company site name
NEWTOWN - WALSALL ROAD/LONG LANE (CSO)
EA ID / permit
SVT01401 · T/03/02997/O
Outlet location
SJ9919305095 (OS grid reference) · View on Apple Maps
WFD catchment
Saredon Brook from Source to River Penk (GB104028046740)
2024 spills / hours
26 / 58
Long-term average
20.8 spills a year (monitored since 2020)
Investigation
Env Act (SODRP) investigation ongoing, UWWTR investigation ongoing, Operational investigation ongoing
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 31 hours spilling →
Tributary of Wash Brook 15 31 down 42% 100%
Alcester (Oversley Green) STW
Inlet overflow at sewage works (with treatment)
Sewage works
Alcester
Company site name
ALCESTER STW - 6PG SRBO - SPILL EAST (SSTO)
EA ID / permit
SVT00039 · S/15/26435/R
Outlet location
SP0903456654 (OS grid reference) · View on Apple Maps
WFD catchment
Arrow - conf R Alne to conf R Avon (GB109054043680)
Treatment
Reed bed
2024 spills / hours
2 / 16
Long-term average
1.2 spills a year (monitored since 2021)
Investigation
No investigation activity in reporting period
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 31 hours spilling →
River Arrow 2 31 no change 100%
Cannock Road Sewage Pumping Station
Storm discharge at pumping station
Company site name
HEATH HAYES - CANNOCK ROAD (SSO)
EA ID / permit
SVT00470 · T/03/35891/O
Outlet location
SK0086009880 (OS grid reference) · View on Apple Maps
WFD catchment
Saredon Brook from Source to River Penk (GB104028046740)
2024 spills / hours
17 / 29
Long-term average
12.8 spills a year (monitored since 2020)
Investigation
Env Act (SODRP) investigation ongoing, UWWTR investigation completed, Operational investigation ongoing
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 31 hours spilling →
Newlands Brook 8 31 down 53% 100%
SO High St and SO Pleck
Overflow on sewer network
Company site name
BIDFORD-ON-AVON - THE PLECK (CSO)
EA ID / permit
SVT02090 · S/13/07378/O
Outlet location
SP0960051600 (OS grid reference) · View on Apple Maps
WFD catchment
Avon- Tramway Br Stratford to Workman Br Evesham (GB109054044401)
2024 spills / hours
61 / 422
Long-term average
30.0 spills a year (monitored since 2020)
Investigation
UWWTR investigation completed, Operational investigation completed
Improvement
Operational improvement completed
Volume & pollution
Estimate from 30 hours spilling →
River Avon 14 30 down 77% 100%
Loughborough Road CSO
Overflow on sewer network
Company site name
MOUNTSORREL - LOUGHBOROUGH ROAD (CSO)
EA ID / permit
SVT01419 · T/57/22145/O
Outlet location
SK5803915285 (OS grid reference) · View on Apple Maps
WFD catchment
Soar from Rothley Brook to Long Whatton Brook (GB104028047211)
2024 spills / hours
22 / 54
Long-term average
23.9 spills a year (monitored since 2019)
Investigation
Env Act (SODRP) investigation ongoing, UWWTR investigation completed, Operational investigation completed
Improvement
Operational improvement ongoing
Volume & pollution
Estimate from 30 hours spilling →
River Soar 10 30 down 55% 100%
Southfield Road Storm Overflow
Overflow on sewer network
Company site name
HINCKLEY - SOUTHFIELD ROAD (CSO)
EA ID / permit
SVT02119 · T/19/22033/O
Outlet location
SP4214092820 (OS grid reference) · View on Apple Maps
WFD catchment
Sketchley Brook from Source to River Anker (GB104028042470)
2024 spills / hours
36 / 14
Long-term average
32.8 spills a year (monitored since 2020)
Investigation
Env Act (SODRP) investigation ongoing, UWWTR investigation ongoing, Operational investigation ongoing
Improvement
UWWTR improvement completed
Volume & pollution
Estimate from 30 hours spilling →
Sketchley Brook 9 30 down 75% 91%
Flaxley Road / Wyndhurst Road CSO
Overflow on sewer network
Company site name
STECHFORD - FLAXLEY ROAD (CSO)
EA ID / permit
SVT00908 · T/12/36066/O
Outlet location
SP1305087860 (OS grid reference) · View on Apple Maps
WFD catchment
Cole from Springfield to Hatchford-Kingshurst Brook (GB104028042502)
2024 spills / hours
33 / 104
Long-term average
21.3 spills a year (monitored since 2019)
Investigation
UWWTR investigation completed, Operational investigation ongoing
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 30 hours spilling →
River Cole 7 30 down 79% 100%
Hatton - Station Rd (Oakslade Fm) (SPS)
Storm discharge at pumping station
Company site name
HATTON - STATION RD (OAKSLADE FARM) (CSO)
EA ID / permit
SVT02673 · S/15/12158/O
Outlet location
SP2262066630 (OS grid reference) · View on Apple Maps
WFD catchment
Claverdon Bk - source to conf R Alne Water Body (GB109054043810)
2024 spills / hours
17 / 84
Long-term average
4.0 spills a year (monitored since 2025)
Investigation
Operational investigation completed
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 30 hours spilling →
Claverdon Brook 4 30 down 76% 99%
Grandstand Road CSO
Overflow on sewer network
Company site name
WORCESTER - GRANDSTAND ROAD (CSO)
EA ID / permit
SVT00981 · S/08/56332/O
Outlet location
SO8436955078 (OS grid reference) · View on Apple Maps
WFD catchment
Severn - conf R Stour to conf RIver Teme (GB109054049144)
2024 spills / hours
4 / 38
Long-term average
15.0 spills a year (monitored since 2019)
Investigation
UWWTR investigation completed, Operational investigation completed
Improvement
Operational improvement completed
Volume & pollution
Estimate from 30 hours spilling →
River Severn 9 30 up 125% 100%
Cotgrave - Main Road Sewage PS
Storm discharge at pumping station
Company site name
COTGRAVE - MAIN ROAD (SSO)
EA ID / permit
SVT00640 · T/64/03028/O
Outlet location
SK6426935733 (OS grid reference) · View on Apple Maps
WFD catchment
Cotgrave Brook Catchment (trib of Polser Brook) (GB104028053200)
2024 spills / hours
14 / 43
Long-term average
6.8 spills a year (monitored since 2021)
Investigation
No investigation activity in reporting period
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 30 hours spilling →
Tributary of Polser Brook 3 30 down 79% 100%
Railway Road CSO
Overflow on sewer network
Company site name
RUSPIDGE - RAILWAY ROAD (CSO)
EA ID / permit
SVT01859 · S/20/22172/O
Outlet location
SO6507012389 (OS grid reference) · View on Apple Maps
WFD catchment
Cinderford Bk - source to conf Blackpool Bk (GB109054032710)
2024 spills / hours
14 / 56
Long-term average
11.0 spills a year (monitored since 2021)
Investigation
UWWTR investigation completed, Operational investigation completed
Improvement
Operational improvement completed
Volume & pollution
Estimate from 30 hours spilling →
Cinderford Brook 15 30 up 7% 100%
Newnham Pumping Station
Storm discharge at pumping station
Company site name
NEWNHAM - LOWER HIGH STREET PS (CSO)
EA ID / permit
SVT01636 · S/20/25592/O
Outlet location
SO6942112010 (OS grid reference) · View on Apple Maps
WFD catchment
Severn River and Trib Estuary (GB530905415403)
2024 spills / hours
23 / 13
Long-term average
17.7 spills a year (monitored since 2023)
Investigation
UWWTR investigation completed, Operational investigation completed
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 30 hours spilling →
River Severn (Tidal) 26 30 up 13% 100%
Station Road/103 Walsall Road CSO
Overflow on sewer network
Company site name
GREAT WYRLEY - STATION RD (CSO)
EA ID / permit
SVT02189 · T/03/21311/O
Outlet location
SJ9881107767 (OS grid reference) · View on Apple Maps
WFD catchment
Saredon Brook from Source to River Penk (GB104028046740)
2024 spills / hours
28 / 46
Long-term average
44.9 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 30 hours spilling →
Wyrley Brook 29 30 up 4% 100%
Gloucester Netheridge STW
Inlet overflow at sewage works
Sewage works
Gloucester Netheridge
Company site name
NETHERIDGE STW (CSO)
EA ID / permit
SVT00965 · S/20/26440/R
Outlet location
SO8079016067 (OS grid reference) · View on Apple Maps
WFD catchment
SEVERN UPPER (GB530905415403)
2024 spills / hours
32 / 116
Long-term average
52.0 spills a year (monitored since 2021)
Investigation
Env Act (SODRP) investigation ongoing, UWWTR investigation ongoing, Operational investigation completed
Improvement
Operational improvement completed
Volume & pollution
Estimate from 30 hours spilling →
River Severn 8 30 down 75% 100%
Lenton - Gregory Street 45 (CSO)
Overflow on sewer network
EA ID / permit
SVT01011 · EPRJB3393WU
Outlet location
SK5573038390 (OS grid reference) · View on Apple Maps
WFD catchment
Leen from Day Brook to Trent (GB104028053250)
2024 spills / hours
22 / 18
Long-term average
29.0 spills a year (monitored since 2021)
Investigation
Env Act (SODRP) investigation ongoing, UWWTR investigation ongoing
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 30 hours spilling →
River Leen 16 30 down 27% 99%
Rugeley - Wolseley Road SPS
Storm discharge at pumping station
Company site name
RUGELEY - WOLSELEY ROAD (SSO)
EA ID / permit
SVT01926 · T/05/35781/O
Outlet location
SK0464918901 (OS grid reference) · View on Apple Maps
WFD catchment
Trent from River Sow to Moreton Brook (GB104028047300)
2024 spills / hours
39 / 90
Long-term average
29.4 spills a year (monitored since 2021)
Investigation
UWWTR investigation ongoing, Operational investigation completed
Improvement
Operational improvement completed
Volume & pollution
Estimate from 30 hours spilling →
Trib River Trent & River Trent 21 30 down 46% 100%
Malvern Sewage Treatment Works
Inlet overflow at sewage works
Sewage works
Malvern
Company site name
BARNARDS GREEN LANE (CSO)
EA ID / permit
SVT00182 · Unpermitted
Outlet location
SO7975044930 (OS grid reference) · View on Apple Maps
WFD catchment
Pool Brook - source to conf R Severn (GB109054039720)
2024 spills / hours
12 / 10
Long-term average
12.5 spills a year (monitored since 2024)
Investigation
Operational investigation completed
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 30 hours spilling →
Pool Brook 13 30 up 8% 100%
High Street (Black Horse) SPS
Storm discharge at pumping station
Company site name
BLYTON - HIGH ST PS (BLACK HORSE) (CSO)
EA ID / permit
SVT01119 · T/79/02149/O
Outlet location
SK8565195045 (OS grid reference) · View on Apple Maps
WFD catchment
Laughton Drain Catchment (trib of Trent) (GB104028058120)
2024 spills / hours
10 / 52
Long-term average
15.0 spills a year (monitored since 2021)
Investigation
UWWTR investigation ongoing
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 30 hours spilling →
Laughton Highland Drain 11 30 up 10% 100%
Station St/High St Junction SSO
Overflow on sewer network
Company site name
BURTON UPON TRENT - STATION ST (CSO)
EA ID / permit
SVT02190 · T/24/21514/O
Outlet location
SK2692025570 (OS grid reference) · View on Apple Maps
WFD catchment
Trent - R Tame to R Dove (GB104028047180)
2024 spills / hours
6 / 24
Long-term average
6.3 spills a year (monitored since 2022)
Investigation
Env Act (SODRP) investigation ongoing, UWWTR investigation ongoing
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 30 hours spilling →
River Trent 6 30 no change 100%
Cleobury Mortimer STW
Storm tank at sewage works
Sewage works
Cleobury Mortimer
Company site name
CLEOBURY MORTIMER (STW)
EA ID / permit
SVT00578 · S/09/55898/R
Outlet location
SO6805176082 (OS grid reference) · View on Apple Maps
WFD catchment
Rea - conf Farlow Bk to conf R Teme (GB109054044260)
2024 spills / hours
38 / 187
Long-term average
33.4 spills a year (monitored since 2021)
Investigation
Env Act (SODRP) investigation ongoing, UWWTR investigation ongoing, Operational investigation completed
Improvement
UWWTR improvement ongoing, Operational improvement completed
Volume & pollution
Estimate from 30 hours spilling →
River Rea 9 30 down 76% 100%
Tittesworth Sewage Pumping Station
Storm discharge at pumping station
Company site name
TITTESWORTH (SSO)
EA ID / permit
SVT02329 · Permit application submitted
Outlet location
SJ9935358108 (OS grid reference) · View on Apple Maps
WFD catchment
Churnet from Meerbrook to Leekbrook (GB104028052770)
2024 spills / hours
12 / 47
Long-term average
7.0 spills a year (monitored since 2021)
Investigation
Operational investigation completed
Improvement
Operational improvement completed
Volume & pollution
Estimate from 30 hours spilling →
River Churnet 7 30 down 42% 98%
Somerwood - Sunningdale (CSO)
Overflow on sewer network
EA ID / permit
SVT02098 · Permit application submitted
Outlet location
SJ5791914978 (OS grid reference) · View on Apple Maps
WFD catchment
Tern - conf R Roden to conf R Severn (GB109054049680)
2024 spills / hours
19 / 76
Long-term average
18.0 spills a year (monitored since 2022)
Investigation
UWWTR investigation completed, Operational investigation completed
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 30 hours spilling →
Tributary of the River Tern 7 30 down 63% 100%
Great Haywood - Manhole 1 (CSO)
Storm discharge at pumping station
EA ID / permit
SVT00997 · T/01/00104/O
Outlet location
SJ9959922876 (OS grid reference) · View on Apple Maps
WFD catchment
Trent from Tittensor to River Sow (GB104028053272)
2024 spills / hours
11 / 32
Long-term average
13.7 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 29 hours spilling →
Tributary of River Trent 17 29 up 55% 100%
Court Close CSO
Storm discharge at pumping station
Company site name
KIRBY MUXLOE - COURT CLOSE (SSO)
EA ID / permit
SVT00649 · T/56/03828/O
Outlet location
SK5230104338 (OS grid reference) · View on Apple Maps
WFD catchment
Rothley Brook Catchment (trib of Soar) (GB104028046730)
2024 spills / hours
3 / 11
Long-term average
5.6 spills a year (monitored since 2019)
Investigation
No investigation activity in reporting period
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 29 hours spilling →
Tributary of Rothley Brook 6 29 up 100% 100%
Peck Mill Lane CSO
Overflow on sewer network
Company site name
BRINDLEY FORD - PECKMILL LANE (CSO)
EA ID / permit
SVT01773 · T/01/36405/O
Outlet location
SJ8810954371 (OS grid reference) · View on Apple Maps
WFD catchment
Ford Green Brook from Source to R Trent (GB104028053380)
2024 spills / hours
42 / 69
Long-term average
66.7 spills a year (monitored since 2019)
Investigation
Env Act (SODRP) investigation ongoing, UWWTR investigation completed, Operational investigation completed
Improvement
Operational improvement completed
Volume & pollution
Estimate from 29 hours spilling →
Ford Green Brook 24 29 down 43% 100%
Bidford on Avon STW
Storm tank at sewage works
Sewage works
Bidford On Avon
Company site name
BIDFORD-ON-AVON (STW)
EA ID / permit
SVT00263 · S/13/25360/R
Outlet location
SP0824351041 (OS grid reference) · View on Apple Maps
WFD catchment
Arrow - conf R Alne to conf R Avon (GB109054043680)
2024 spills / hours
192 / 3,040
Long-term average
105.2 spills a year (monitored since 2020)
Investigation
UWWTR investigation ongoing, Operational investigation completed
Improvement
UWWTR improvement completed, Operational improvement completed
Volume & pollution
Estimate from 29 hours spilling →
River Arrow 6 29 down 97% 97%
Ryton-on-Dunsmore - Church Road TPS
Storm discharge at pumping station
Company site name
RYTON-ON-DUNSMORE - CHURCH ROAD (CSO)
EA ID / permit
SVT00546 · S/10/26087/O
Outlet location
SP3854274977 (OS grid reference) · View on Apple Maps
WFD catchment
Avon - ClaycotonYelvertoft Bk to conf R Sowe (GB109054043920)
2024 spills / hours
0 / 0.0
Long-term average
1.8 spills a year (monitored since 2021)
Investigation
No investigation activity in reporting period
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 29 hours spilling →
Tributary of River Avon 8 29 up from 0 100%
Berkswell - Lavender Hall Lane (CSO)
Overflow on sewer network
EA ID / permit
SVT00257 · Permit application submitted
Outlet location
SP2440079000 (OS grid reference) · View on Apple Maps
WFD catchment
Blythe from Temple Balsall Brook to Patrick Bridge (GB104028042571)
2024 spills / hours
15 / 38
Long-term average
8.4 spills a year (monitored since 2021)
Investigation
Env Act (SODRP) investigation ongoing, Operational investigation completed
Improvement
Operational improvement completed
Volume & pollution
Estimate from 29 hours spilling →
Berkswell Brook 4 29 down 73% 99%
Worcester Road CSO
Overflow on sewer network
Company site name
STOURPORT ON SEVERN - VALE RD (CSO)
EA ID / permit
SVT02633 · S/06/12236/O
Outlet location
SO8151771441 (OS grid reference) · View on Apple Maps
WFD catchment
Stour (Worcs) - conf Smestow Bk to conf R Severn (GB109054044710)
2024 spills / hours
36 / 36
Long-term average
19.9 spills a year (monitored since 2019)
High-spill reason (company)
Not asset maintenance - Hydraulic capacity
Investigation
UWWTR investigation ongoing, Operational investigation ongoing
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 29 hours spilling →
River Stour 36 29 no change 100%
Langham PS (CSO)
Storm discharge at pumping station
EA ID / permit
SVT01313 · Permit application submitted
Outlet location
SK8448111259 (OS grid reference) · View on Apple Maps
WFD catchment
Langham Brook from Source to Whissendine Brook (GB104028047520)
2024 spills / hours
2 / 3.8
Long-term average
6.7 spills a year (monitored since 2023)
Investigation
UWWTR investigation ongoing, Operational investigation completed
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 29 hours spilling →
Langham Brook 4 29 up 100% 100%
Abbey Foregate CSO
Overflow on sewer network
Company site name
SHREWSBURY - ABBEY FOREGATE 2 (CSO)
EA ID / permit
SVT00016 · S/02/21040/O
Outlet location
SJ5033912022 (OS grid reference) · View on Apple Maps
WFD catchment
Rea Bk - conf Pontesford Bk to conf R Severn (GB109054049630)
2024 spills / hours
49 / 51
Long-term average
38.1 spills a year (monitored since 2019)
Investigation
UWWTR investigation completed, Operational investigation completed
Improvement
Operational improvement completed
Volume & pollution
Estimate from 29 hours spilling →
Rea Brook 26 29 down 47% 100%
Wymans Brook - Cottage Rake Ave (CSO)
Overflow on sewer network
EA ID / permit
SVT02714 · Permit application submitted
Outlet location
SO9426824122 (OS grid reference) · View on Apple Maps
WFD catchment
Swilgate - source to conf R Avon (GB109054039780)
2024 spills / hours
8 / 12
Long-term average
7.5 spills a year (monitored since 2021)
Investigation
No investigation activity in reporting period
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 29 hours spilling →
Wyman'S Brook 16 29 up 100% 98%
Langley Mill - Milnhay Road CSO
Overflow on sewer network
Company site name
LANGLEY MILL - MILNHAY ROAD (CSO)
EA ID / permit
SVT01316 · T/61/12268/O
Outlet location
SK4570646386 (OS grid reference) · View on Apple Maps
WFD catchment
Erewash from Nethergreen Brook to Gilt Brook (GB104028052511)
2024 spills / hours
1 / 7.4
Long-term average
2.0 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 29 hours spilling →
Tributary of River Erewash 8 29 up 700% 99%
Brigg Road/Station Road CSO
Overflow on sewer network
Company site name
SCUNTHORPE - BRIGG RD/STATION ROAD (CSO)
EA ID / permit
SVT00354 · T/81/12308/O
Outlet location
SE9035211518 (OS grid reference) · View on Apple Maps
WFD catchment
Bottesford Beck Catchment (trib of Trent) (GB104028064290)
2024 spills / hours
14 / 33
Long-term average
45.4 spills a year (monitored since 2019)
Investigation
Env Act (SODRP) investigation ongoing, UWWTR investigation ongoing, Operational investigation ongoing
Improvement
UWWTR improvement completed
Volume & pollution
Estimate from 29 hours spilling →
Bottesford Beck 11 29 down 21% 100%
Kirkby in Ashfield - Mill Lane (CSO)
Overflow on sewer network
EA ID / permit
SVT01291 · EPRJB3992VN
Outlet location
SK4896054890 (OS grid reference) · View on Apple Maps
WFD catchment
Erewash from Source to Nethergreen Brook (GB104028052740)
2024 spills / hours
13 / 35
Long-term average
11.4 spills a year (monitored since 2021)
Investigation
Env Act (SODRP) investigation ongoing, UWWTR investigation completed
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 29 hours spilling →
River Erewash 12 29 down 8% 99%
Warsop - Burns Lane CSO
Overflow on sewer network
Company site name
WARSOP - BURNS LANE (SSO)
EA ID / permit
SVT00419 · T/71/40114/O
Outlet location
SK5725668674 (OS grid reference) · View on Apple Maps
WFD catchment
Meden from Sookholme Brook to Maun (GB104028058060)
2024 spills / hours
9 / 30
Long-term average
16.4 spills a year (monitored since 2021)
Investigation
UWWTR investigation completed, Operational investigation completed
Improvement
Operational improvement completed
Volume & pollution
Estimate from 29 hours spilling →
River Meden 6 29 down 33% 100%
Clayton Road SPS
Storm discharge at pumping station
Company site name
CLAYTON - CLAYTON ROAD (SSO)
EA ID / permit
SVT00574 · T/01/21896/O
Outlet location
SJ8493642126 (OS grid reference) · View on Apple Maps
WFD catchment
Park Brook Catchment (trib of Trent) (GB104028053280)
2024 spills / hours
6 / 10
Long-term average
2.3 spills a year (monitored since 2020)
Investigation
Operational investigation ongoing
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 29 hours spilling →
Tributary of Park Brook 6 29 no change 99%
Brookside Hinckley CSO
Overflow on sewer network
Company site name
HINCKLEY - BROOKSIDE (CSO)
EA ID / permit
SVT00390 · T/19/09205/O
Outlet location
SP4298493169 (OS grid reference) · View on Apple Maps
WFD catchment
Sketchley Brook from Source to River Anker (GB104028042470)
2024 spills / hours
26 / 39
Long-term average
19.1 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 28 hours spilling →
Sketchley Brook 27 28 up 4% 100%
Lighthorne Sewage Pumping Station
Storm discharge at pumping station
Company site name
LIGHTHORNE - MORTON MORRELL LANE (CSO)
EA ID / permit
SVT01362 · S/13/23222/O
Outlet location
SP3340055810 (OS grid reference) · View on Apple Maps
WFD catchment
Thelsford Bk - source to conf R Avon (GB109054043690)
2024 spills / hours
25 / 38
Long-term average
13.2 spills a year (monitored since 2020)
Investigation
UWWTR investigation ongoing, Operational investigation completed
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 28 hours spilling →
Trib of Thelsford Brook 6 28 down 76% 91%
Lower Gornal STW
Storm tank at sewage works
Sewage works
Lower Gornal
Company site name
LOWER GORNAL STW – SSTO
EA ID / permit
SVT01426 · 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
18 / 90
Long-term average
15.5 spills a year (monitored since 2020)
Investigation
UWWTR investigation completed, Operational investigation ongoing
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 28 hours spilling →
Bobs Brook & Holbeche Brook 10 28 down 44% 96%
Wheatley Lane CSO
Overflow on sewer network
Company site name
BURTON UPON TRENT - WHEATLEY LANE (CSO)
EA ID / permit
SVT02531 · T/24/30267/O
Outlet location
SK2703023956 (OS grid reference) · View on Apple Maps
WFD catchment
Trent - R Tame to R Dove (GB104028047180)
2024 spills / hours
49 / 243
Long-term average
56.1 spills a year (monitored since 2019)
High-spill reason (company)
Not asset maintenance - Hydraulic capacity
Investigation
Env Act (SODRP) investigation ongoing, UWWTR investigation ongoing, Operational investigation ongoing
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 28 hours spilling →
Dale Brook 36 28 down 27% 99%
Gayton Avenue CSO
Overflow on sewer network
Company site name
MILTON - GAYTON AVENUE (CSO)
EA ID / permit
SVT00945 · T/01/36406/O
Outlet location
SJ9027850402 (OS grid reference) · View on Apple Maps
WFD catchment
Trent from Source to Ford Green Brook (GB104028053400)
2024 spills / hours
41 / 84
Long-term average
37.9 spills a year (monitored since 2019)
Investigation
UWWTR investigation ongoing, Operational investigation completed
Improvement
Operational improvement completed
Volume & pollution
Estimate from 28 hours spilling →
River Trent 18 28 down 56% 99%
Drayton Bassett - Salts Lane SPS
Storm discharge at pumping station
Company site name
DRAYTON BASSETT - SALTS LANE (CSO)
EA ID / permit
SVT00792 · T/16/12882/O
Outlet location
SK1971500134 (OS grid reference) · View on Apple Maps
WFD catchment
Tame from R Blythe to River Anker (GB104028046440)
2024 spills / hours
6 / 30
Long-term average
6.8 spills a year (monitored since 2021)
Investigation
Env Act (SODRP) investigation ongoing
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 28 hours spilling →
Tributary of Gallows Brook 4 28 down 33% 100%
Mansfield Woodhouse-12 Wells Cl CSO
Overflow on sewer network
Company site name
MANSFIELD WOODHOUSE - WELLS CL 12 (CSO)
EA ID / permit
SVT01486 · T/71/07945/O
Outlet location
SK5467064072 (OS grid reference) · View on Apple Maps
WFD catchment
Meden from Source to Sookholme Brook (GB104028058020)
2024 spills / hours
20 / 31
Long-term average
19.0 spills a year (monitored since 2021)
Investigation
UWWTR investigation completed, Operational investigation completed
Improvement
Operational improvement completed
Volume & pollution
Estimate from 28 hours spilling →
Leas Brook 14 28 down 30% 100%
South Normanton STW 12DWF (SO)
Inlet overflow at sewage works
Sewage works
South Normanton 12Dwf
EA ID / permit
SVT02728 · T/41/46401/R
Outlet location
SK4485957679 (OS grid reference) · View on Apple Maps
WFD catchment
Alfreton Brook from Source to Westwood Brook (GB104028052350)
2024 spills / hours
– / –
Investigation
Operational investigation completed
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 28 hours spilling →
Normanton Brook 3 28 99%
Devon Road
Overflow on sewer network
Company site name
WEDNESBURY - AXLETREE WAY (CSO)
EA ID / permit
SVT00764 · T/08/00751/O
Outlet location
SP0030095800 (OS grid reference) · View on Apple Maps
WFD catchment
Tame (W/ton Arm) source to conf Oldbury (GB104028046930)
2024 spills / hours
17 / 134
Long-term average
9.0 spills a year (monitored since 2023)
Investigation
Env Act (SODRP) investigation ongoing, Operational investigation completed
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 28 hours spilling →
River Tame (Olbury Arm) 10 28 down 41% 100%
Edwinstowe - Boy Lane (CSO)
Overflow on sewer network
EA ID / permit
SVT00847 · Unpermitted
Outlet location
SK6402066940 (OS grid reference) · View on Apple Maps
WFD catchment
Maun from Vicar Water to Rainworth Water (GB104028058040)
2024 spills / hours
8 / 15
Long-term average
9.3 spills a year (monitored since 2019)
Investigation
Env Act (SODRP) investigation ongoing, Operational investigation completed
Improvement
Operational improvement completed
Volume & pollution
Estimate from 28 hours spilling →
River Maun & Vicar Water 16 28 up 100% 100%
Wigston Gas Lane CSO
Overflow on sewer network
Company site name
WIGSTON - GAS LANE (CSO)
EA ID / permit
SVT02558 · EPRQB3395EJ
Outlet location
SP5940098100 (OS grid reference) · View on Apple Maps
WFD catchment
Sence from Countesthorpe Brook to Soar (GB104028046870)
2024 spills / hours
27 / 48
Long-term average
42.2 spills a year (monitored since 2020)
Investigation
UWWTR investigation ongoing, Operational investigation completed
Improvement
Operational improvement completed
Volume & pollution
Estimate from 28 hours spilling →
Tributary of River Sence 29 28 up 7% 100%
Burton-Seymour Road SPS
Storm discharge at pumping station
Company site name
BURTON - SEYMOUR ROAD (SSO)
EA ID / permit
SVT00441 · EPRTP3822XY
Outlet location
SK5858521343 (OS grid reference) · View on Apple Maps
WFD catchment
Soar from Rothley Brook to Long Whatton Brook (GB104028047211)
2024 spills / hours
52 / 136
Long-term average
14.8 spills a year (monitored since 2021)
Investigation
Env Act (SODRP) investigation ongoing, UWWTR investigation ongoing, Operational investigation completed
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 28 hours spilling →
Tributary of River Soar 14 28 down 73% 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.