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
Willenhall CSO
Storm tank at sewage works
Sewage works
Willenhall
Company site name
WEDNESBURY - WILLENHALL ROAD (CSO)
EA ID / permit
SVT02562 · EPRVP3222XF
Outlet location
SO9792698151 (OS grid reference) · View on Apple Maps
WFD catchment
Tame (W/ton Arm) source to conf Oldbury (GB104028046930)
2024 spills / hours
8 / 50
Long-term average
6.4 spills a year (monitored since 2021)
Investigation
Env Act (SODRP) investigation ongoing, Operational investigation completed
Improvement
Operational improvement completed
Volume & pollution
Estimate from 25 hours spilling →
Darlaston Brook 5 25 down 38% 100%
Rossington-Bankwood Lane SPS CSO
Storm discharge at pumping station
Company site name
ROSSINGTON - BANKWOOD LANE PS 2 (CSO)
EA ID / permit
SVT00028 · T/83/40104/O
Outlet location
SK6081698863 (OS grid reference) · View on Apple Maps
WFD catchment
Torne from St Catherine's Well Stream to Mother Drain (GB104028058410)
2024 spills / hours
4 / 6.7
Long-term average
4.2 spills a year (monitored since 2021)
Investigation
Operational investigation ongoing
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 25 hours spilling →
Tributary of Rossington Drain 5 25 up 25% 100%
South Normanton STW 6DWF (SO)
Inlet overflow at sewage works
Sewage works
South Normanton 6Dwf
EA ID / permit
SVT02729 · 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
– / –
Long-term average
37.3 spills a year (monitored since 2021)
Monitor below 90%
Installation set-up/design issue · Resolved - Dec
Investigation
Operational investigation completed
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 25 hours spilling →
Normanton Brook 8 25 7%
Upper Sapey Sewage Treatment Works
Inlet overflow at sewage works
Sewage works
Upper Sapey
Company site name
UPPER SAPEY (STW)
EA ID / permit
SVT02369 · S/09/55357/R
Outlet location
SO6852263244 (OS grid reference) · View on Apple Maps
WFD catchment
Sapey Bk - source to conf R Teme (GB109054044390)
2024 spills / hours
35 / 417
Long-term average
27.0 spills a year (monitored since 2021)
Investigation
Env Act (SODRP) investigation ongoing, UWWTR investigation ongoing, Operational investigation completed
Improvement
Operational improvement ongoing
Volume & pollution
Estimate from 25 hours spilling →
Sapey Brook 16 25 down 54% 99%
Bath Rd/Stanley St Junction CSO
Overflow on sewer network
Company site name
WORCESTER - BATH ROAD (CSO)
EA ID / permit
SVT00199 · S/08/26842/O
Outlet location
SO8546553197 (OS grid reference) · View on Apple Maps
WFD catchment
Severn - conf R Stour to conf RIver Teme (GB109054049144)
2024 spills / hours
19 / 22
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 25 hours spilling →
Duck Brook 12 25 down 37% 100%
Cannock Road - Cemetry Road CSO
Overflow on sewer network
Company site name
CANNOCK - CANNOCK ROAD/CEMETERY RD (CSO)
EA ID / permit
SVT00466 · TSC399
Outlet location
SJ9949710855 (OS grid reference) · View on Apple Maps
WFD catchment
Saredon Brook from Source to River Penk (GB104028046740)
2024 spills / hours
30 / 26
Long-term average
19.5 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 completed
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 25 hours spilling →
Ridings Brook 39 25 up 30% 100%
Mansfield - 10 Randol Close CSO
Overflow on sewer network
Company site name
MANSFIELD - RANDOL CLOSE 10 (CSO)
EA ID / permit
SVT01480 · T/70/03474/O
Outlet location
SK5198659820 (OS grid reference) · View on Apple Maps
WFD catchment
Maun from Source to Vicar Water (GB104028052960)
2024 spills / hours
20 / 41
Long-term average
21.0 spills a year (monitored since 2021)
Investigation
Env Act (SODRP) investigation ongoing, UWWTR investigation ongoing, Operational investigation completed
Improvement
UWWTR improvement completed
Volume & pollution
Estimate from 24 hours spilling →
River Maun 16 24 down 20% 100%
Shipston Road CSO
Overflow on sewer network
Company site name
STRATFORD - SHIPSTON ROAD (CSO)
EA ID / permit
SVT02017 · S/13/21639/O
Outlet location
SP2027154226 (OS grid reference) · View on Apple Maps
WFD catchment
Avon- Tramway Br Stratford to Workman Br Evesham (GB109054044401)
2024 spills / hours
7 / 31
Long-term average
3.9 spills a year (monitored since 2019)
Investigation
Operational investigation completed
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 24 hours spilling →
Rush Brook 7 24 no change 100%
Norton Canes - Washbrook Lane (SSO)
Storm discharge at pumping station
EA ID / permit
SVT01675 · Permit application submitted
Outlet location
SK0118007965 (OS grid reference) · View on Apple Maps
WFD catchment
Saredon Brook from Source to River Penk (GB104028046740)
2024 spills / hours
22 / 42
Long-term average
14.9 spills a year (monitored since 2019)
Investigation
Env Act (SODRP) investigation ongoing, UWWTR investigation ongoing, Operational investigation completed
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 24 hours spilling →
Ditch Trib. of the River Trent 15 24 down 32% 100%
Worcester Road Storm Overflow
Overflow on sewer network
Company site name
MALVERN - WORCESTER ROAD (SSO)
EA ID / permit
SVT02634 · S/08/20941/O
Outlet location
SO7915048250 (OS grid reference) · View on Apple Maps
WFD catchment
Madresfield Bk - source to conf R Severn (GB109054039740)
2024 spills / hours
0 / 0.0
Long-term average
4.0 spills a year (monitored since 2021)
Investigation
No investigation activity in reporting period
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 24 hours spilling →
Trib of Madresfield Brook 2 24 up from 0 100%
Cappy Farm Pumping Station
Storm discharge at pumping station
Company site name
CASTLE GRESLEY - CASTLE ROAD (SSO)
EA ID / permit
SVT00473 · T/24/30147/O
Outlet location
SK2843017830 (OS grid reference) · View on Apple Maps
WFD catchment
Darklands Brook Catchment (trib of Trent) (GB104028047310)
2024 spills / hours
23 / 38
Long-term average
43.5 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 24 hours spilling →
Castle Gresley Brook 9 24 down 61% 100%
Baths Lane Combined Sewer Overflow
Overflow on sewer network
Company site name
HUCKNALL - BATHS LANE (CSO)
EA ID / permit
SVT00202 · T/63/08784/O
Outlet location
SK5387849260 (OS grid reference) · View on Apple Maps
WFD catchment
Baker Lane Brook Catchment (trib of Leen) (GB104028052881)
2024 spills / hours
26 / 42
Long-term average
29.2 spills a year (monitored since 2021)
Investigation
UWWTR investigation ongoing, Operational investigation completed
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 24 hours spilling →
Baker Lane Brook 21 24 down 19% 100%
Halesowen – Meadowbrook Road No.49 (CSO)
Overflow on sewer network
Company site name
HALESOWEN - MEADOWBROOK ROAD No.49
EA ID / permit
SVT02695 · Unpermitted
Outlet location
SO9506683051 (OS grid reference) · View on Apple Maps
WFD catchment
Stour (Worcs) source to conf Smestow Bk Water Body (GB109054044750)
2024 spills / hours
19 / 19
Long-term average
17.0 spills a year (monitored since 2025)
Investigation
Operational investigation completed
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 24 hours spilling →
Unnamed tributary of Lutley Gutter 17 24 down 11% 100%
Spur Road
Overflow on sewer network
Company site name
GRENDON - WATLING STREET/SPON LANE (CSO)
EA ID / permit
SVT02136 · T/21/01674/O
Outlet location
SP2750099500 (OS grid reference) · View on Apple Maps
WFD catchment
Anker from River Sence to River Tame (GB104028046460)
2024 spills / hours
12 / 67
Long-term average
5.8 spills a year (monitored since 2022)
Investigation
Operational investigation completed
Improvement
Operational improvement completed
Volume & pollution
Estimate from 24 hours spilling →
Trib of Penmire Brook 8 24 down 33% 100%
Stafford Avenue CSO
Overflow on sewer network
Company site name
NEWCASTLE UNDER LYME - STAFFORD AV (CSO)
EA ID / permit
SVT02155 · NPSWQD002018
Outlet location
SJ8567044140 (OS grid reference) · View on Apple Maps
WFD catchment
Lyme Brook Catchment (trib of Trent) (GB104028053340)
2024 spills / hours
15 / 56
Long-term average
11.0 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 24 hours spilling →
Lyme Brook 11 24 down 27% 100%
Mayfield Road CSO
Overflow on sewer network
Company site name
BURTON UPON TRENT - MAYFIELD ROAD (CSO)
EA ID / permit
SVT00437 · T/24/30266/O
Outlet location
SK2625323607 (OS grid reference) · View on Apple Maps
WFD catchment
Trent - R Tame to R Dove (GB104028047180)
2024 spills / hours
30 / 29
Long-term average
33.6 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 24 hours spilling →
Tributary of River Trent 27 24 down 10% 100%
Woodbrook Road CSO
Overflow on sewer network
Company site name
BOURNVILLE - WOODBROOKE ROAD (CSO)
EA ID / permit
SVT02607 · T/09/36498/O
Outlet location
SP0400981217 (OS grid reference) · View on Apple Maps
WFD catchment
Griffins Brook from Source to R Rea (GB104028042520)
2024 spills / hours
14 / 30
Long-term average
8.2 spills a year (monitored since 2020)
Investigation
No investigation activity in reporting period
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 24 hours spilling →
Griffins Brook 7 24 down 50% 100%
Rabone Lane (No.1) CSO
Overflow on sewer network
Company site name
SMETHWICK - RABONE LANE (CSO)
EA ID / permit
SVT01849 · T/08/35705/O
Outlet location
SP0277088710 (OS grid reference) · View on Apple Maps
WFD catchment
Hockley Brook Catchment (trib of Rea) (GB104028042640)
2024 spills / hours
19 / 14
Long-term average
11.7 spills a year (monitored since 2019)
Investigation
Env Act (SODRP) investigation ongoing, UWWTR investigation completed
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 24 hours spilling →
Hockley Brook 17 24 down 11% 100%
Walsall - Bescot Cres Barhale (CSO)
Overflow on sewer network
EA ID / permit
SVT00261 · Permit application submitted
Outlet location
SP0047996491 (OS grid reference) · View on Apple Maps
WFD catchment
Ford Brook from Source to River Tame (GB104028046990)
2024 spills / hours
13 / 44
Long-term average
9.4 spills a year (monitored since 2021)
Investigation
Operational investigation completed
Improvement
Operational improvement completed
Volume & pollution
Estimate from 24 hours spilling →
Ford Brook 11 24 down 15% 100%
Forest Town - Newlands Farm CSO
Overflow on sewer network
Company site name
FOREST TOWN - NEWLANDS FARM (CSO)
EA ID / permit
SVT00918 · T/70/46400/O
Outlet location
SK5812262371 (OS grid reference) · View on Apple Maps
WFD catchment
Vicar Water from Source to Maun (GB104028052950)
2024 spills / hours
19 / 23
Long-term average
20.2 spills a year (monitored since 2021)
Investigation
Env Act (SODRP) investigation ongoing, UWWTR investigation completed, Operational investigation completed
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 24 hours spilling →
Vicar Water 23 24 up 21% 100%
Kempley - Fishpool (SSO)
Storm discharge at pumping station
EA ID / permit
SVT00906 · Permit application submitted
Outlet location
SO6648629409 (OS grid reference) · View on Apple Maps
WFD catchment
Kempley Bk - source to conf R Leadon (GB109054039550)
2024 spills / hours
8 / 31
Long-term average
4.8 spills a year (monitored since 2021)
Investigation
Operational investigation completed
Improvement
Operational improvement completed
Volume & pollution
Estimate from 24 hours spilling →
Tributary of River Alne 4 24 down 50% 99%
Shenton Sewage Pumping Station
Storm discharge at pumping station
Company site name
SHENTON WEST (CSO)
EA ID / permit
SVT02004 · T/20/02399/O
Outlet location
SK3850000300 (OS grid reference) · View on Apple Maps
WFD catchment
Stoke Golding Brook from Source to R Sence (GB104028046640)
2024 spills / hours
17 / 153
Long-term average
12.4 spills a year (monitored since 2021)
Investigation
Env Act (SODRP) investigation ongoing, UWWTR investigation completed, Operational investigation completed
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 23 hours spilling →
Trib of River Sence (Anker) 9 23 down 47% 100%
Moira - Measham Road SPS
Storm discharge at pumping station
Company site name
MOIRA - MEASHAM ROAD (SSO)
EA ID / permit
SVT01531 · T/23/02557/O
Outlet location
SK3202214498 (OS grid reference) · View on Apple Maps
WFD catchment
Hooborough Brook from Source to River Mease (GB104028046580)
2024 spills / hours
10 / 24
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 23 hours spilling →
Tributary of Hooborough Brook 8 23 down 20% 100%
Royal Exchange Car Park CSO
Overflow on sewer network
Company site name
TELFORD - FURNACE LA TRENCH (R EX) (CSO)
EA ID / permit
SVT01915 · S/04/12251/O
Outlet location
SJ6982013320 (OS grid reference) · View on Apple Maps
WFD catchment
Red Strine - source to conf R Strine (GB109054050120)
2024 spills / hours
35 / 54
Long-term average
25.0 spills a year (monitored since 2021)
Investigation
UWWTR investigation ongoing, Operational investigation ongoing
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 23 hours spilling →
Hortonwood Open Channel 24 23 down 31% 100%
Gainsborough STW
Storm tank at sewage works
Sewage works
Gainsborough
Company site name
GAINSBOROUGH - LEA ROAD STW (SSTO)
EA ID / permit
SVT00939 · T/69/45776/R
Outlet location
SK8160087440 (OS grid reference) · View on Apple Maps
WFD catchment
Trent from Carlton-on-Trent to Laughton Drain (GB104028058480)
2024 spills / hours
8 / 46
Long-term average
4.0 spills a year (monitored since 2020)
Investigation
Operational investigation completed
Improvement
Operational improvement completed
Volume & pollution
Estimate from 23 hours spilling →
River Trent 3 23 down 63% 100%
Brooks Lane - Storm/Emergency O/F
Overflow on sewer network
Company site name
WHITWICK - ROBINSON ROAD (CSO)
EA ID / permit
SVT00387 · T/57/08799/O
Outlet location
SK4266016250 (OS grid reference) · View on Apple Maps
WFD catchment
Long Whatton Brook Catchment (trib of Soar) (GB104028047170)
2024 spills / hours
6 / 2.2
Long-term average
4.7 spills a year (monitored since 2020)
Investigation
No investigation activity in reporting period
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 23 hours spilling →
Red Hill Brook (Soar) 10 23 up 67% 100%
Wellington Road CSO
Overflow on sewer network
Company site name
HANDSWORTH - WELLINGTON ROAD 223 (CSO)
EA ID / permit
SVT01045 · T/08/30193/O
Outlet location
SP0660491255 (OS grid reference) · View on Apple Maps
WFD catchment
Tame - conf two arms to R Rea (GB104028046842)
2024 spills / hours
65 / 62
Long-term average
49.5 spills a year (monitored since 2020)
High-spill reason (company)
Not asset maintenance - Hydraulic capacity
Investigation
Env Act (SODRP) investigation ongoing, UWWTR investigation completed, Operational investigation completed
Improvement
Operational improvement ongoing
Volume & pollution
Estimate from 23 hours spilling →
River Tame 53 23 down 18% 100%
No.266 Walsall Road CSO
Overflow on sewer network
Company site name
GREAT WYRLEY - WALSALL ROAD 266 (CSO)
EA ID / permit
SVT01658 · T/03/21370/O
Outlet location
SJ9885207215 (OS grid reference) · View on Apple Maps
WFD catchment
Saredon Brook from Source to River Penk (GB104028046740)
2024 spills / hours
19 / 18
Long-term average
28.8 spills a year (monitored since 2020)
Investigation
Env Act (SODRP) investigation ongoing, UWWTR investigation completed, Operational investigation completed
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 23 hours spilling →
Tributary of Wyrley Brook 26 23 up 37% 100%
Waltham on the Wold STW & SPS
Storm discharge at pumping station
Company site name
STONESBY - KING STREET LANE (SSO)
EA ID / permit
SVT02433 · T/54/07710/O
Outlet location
SK7810026500 (OS grid reference) · View on Apple Maps
WFD catchment
Freeby Brook Catchment (trib of Eye) (GB104028047580)
2024 spills / hours
26 / 211
Long-term average
11.4 spills a year (monitored since 2021)
Investigation
UWWTR investigation completed
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 23 hours spilling →
River Eye + Various Brooks 5 23 down 81% 98%
Great Hampton Street CSO
Overflow on sewer network
Company site name
WOLVERHAMPTON - GREAT HAMPTON ST (CSO)
EA ID / permit
SVT00996 · S/06/55301/O
Outlet location
SO8921599886 (OS grid reference) · View on Apple Maps
WFD catchment
Smestow Bk - source to conf Wom-Penn Bk (GB109054049340)
2024 spills / hours
25 / 17
Long-term average
12.1 spills a year (monitored since 2019)
High-spill reason (company)
Not asset maintenance - Hydraulic capacity
Investigation
Env Act (SODRP) investigation ongoing, Operational investigation ongoing
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 23 hours spilling →
Staf'Shire & Wor'Shrie Canal 37 23 up 48% 100%
Penkridge Sewage Treatment Works
Storm tank at sewage works
Sewage works
Penkridge
Company site name
PENKRIDGE STW (SSTO)
EA ID / permit
SVT01780 · T/03/35658/R
Outlet location
SJ9375816242 (OS grid reference) · View on Apple Maps
WFD catchment
Penk - Whiston Bk to R Sow (GB104028047121)
2024 spills / hours
45 / 451
Long-term average
53.0 spills a year (monitored since 2020)
Investigation
UWWTR investigation ongoing, Operational investigation completed
Improvement
UWWTR improvement ongoing, Operational improvement completed
Volume & pollution
Estimate from 23 hours spilling →
River Penk 3 23 down 93% 100%
Bescot Road Combined Sewer Overflow
Overflow on sewer network
Company site name
BESCOT - BESCOT ROAD (NR JNC 9 M6) (CSO)
EA ID / permit
SVT00262 · T/08/36115/O
Outlet location
SO9991096436 (OS grid reference) · View on Apple Maps
WFD catchment
Tame (W/ton Arm) source to conf Oldbury (GB104028046930)
2024 spills / hours
8 / 36
Long-term average
6.6 spills a year (monitored since 2019)
Investigation
Env Act (SODRP) investigation ongoing
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 23 hours spilling →
River Tame 3 23 down 63% 100%
Eastwood - 118 Church Street CSO
Overflow on sewer network
Company site name
EASTWOOD - CHURCH STREET 118 (CSO)
EA ID / permit
SVT00557 · T/61/45051/O
Outlet location
SK4615745942 (OS grid reference) · View on Apple Maps
WFD catchment
Erewash from Nethergreen Brook to Gilt Brook (GB104028052511)
2024 spills / hours
9 / 30
Long-term average
6.0 spills a year (monitored since 2021)
Investigation
Env Act (SODRP) investigation ongoing
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 23 hours spilling →
Tributary of Erewash Canal 7 23 down 22% 100%
Earl Shilton Sewage Treatment Works
Inlet overflow at sewage works
Sewage works
Earl Shilton
Company site name
EARL SHILTON STW 6DWF (CSO)
EA ID / permit
SVT00815 · T/50/45319/R
Outlet location
SP4758497357 (OS grid reference) · View on Apple Maps
WFD catchment
Thurlaston Brook Catchment (trib of Soar) (GB104028046940)
2024 spills / hours
0 / 0.0
Long-term average
21.2 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 23 hours spilling →
Earl Shilton Brook 13 23 up from 0 100%
Stoke Saint Milborough STW
Inlet overflow at sewage works
Sewage works
Stoke Saint Milborough
Company site name
STOKE SAINT MILBOROUGH (CSO)
EA ID / permit
SVT02205 · S/09/56129/R
Outlet location
SO5687781423 (OS grid reference) · View on Apple Maps
WFD catchment
Ledwyche Bk - source to conf Dogditch Bk (GB109054044600)
2024 spills / hours
70 / 153
Long-term average
16.0 spills a year (monitored since 2021)
Investigation
UWWTR investigation ongoing, Operational investigation ongoing
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 23 hours spilling →
Bockleton Brook 6 23 down 91% 100%
Hathern District CSO
Overflow on sewer network
Company site name
HATHERN - CROSS STREET (CSO)
EA ID / permit
SVT01083 · T/57/02032/O
Outlet location
SK5051222448 (OS grid reference) · View on Apple Maps
WFD catchment
Soar from Rothley Brook to Long Whatton Brook (GB104028047211)
2024 spills / hours
17 / 41
Long-term average
13.6 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 23 hours spilling →
River Soar (Tributary) 6 23 down 65% 100%
The Hollow
Storm discharge at pumping station
Company site name
NORMANTON-LE-HEATH - THE HOLLOW PS (CSO)
EA ID / permit
SVT02293 · T/20/02775/O
Outlet location
SK3777012640 (OS grid reference) · View on Apple Maps
WFD catchment
Gilwiskaw Brook from Source to River Mease (GB104028046590)
2024 spills / hours
14 / 78
Long-term average
8.8 spills a year (monitored since 2021)
Investigation
Env Act (SODRP) investigation ongoing, UWWTR investigation completed, Operational investigation completed
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 23 hours spilling →
Trib of River Sence (Anker) 4 23 down 71% 100%
Redditch - Walkwood Rd (CSO)
Overflow on sewer network
EA ID / permit
SVT01881 · Permit application submitted
Outlet location
SP0353364533 (OS grid reference) · View on Apple Maps
WFD catchment
Bow Bk - source to Lett's Mill (GB109054043820)
2024 spills / hours
0 / 0.0
Long-term average
2.0 spills a year (monitored since 2022)
Investigation
Operational investigation completed
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 23 hours spilling →
The Warrage 7 23 up from 0 91%
Desford - Leicester Lane (SSO)
Storm discharge at pumping station
EA ID / permit
SVT00762 · Permit application submitted
Outlet location
SK4915102716 (OS grid reference) · View on Apple Maps
WFD catchment
Rothley Brook Catchment (trib of Soar) (GB104028046730)
2024 spills / hours
31 / 126
Long-term average
19.4 spills a year (monitored since 2021)
Investigation
UWWTR investigation ongoing, Operational investigation ongoing
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 23 hours spilling →
Ditch Trib. of Fowlea Brook 14 23 down 55% 100%
Sherwin Road Syphon
Overflow on sewer network
Company site name
LENTON - SHERWIN RD/HUNGERTON ST (CSO)
EA ID / permit
SVT02011 · T/63/22400/O
Outlet location
SK5572938376 (OS grid reference) · View on Apple Maps
WFD catchment
Leen from Day Brook to Trent (GB104028053250)
2024 spills / hours
1 / 1.1
Long-term average
3.6 spills a year (monitored since 2019)
Investigation
Env Act (SODRP) investigation ongoing
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 23 hours spilling →
River Leen 12 23 up 1100% 99%
Tyburn Road Combined Storm Overflow
Overflow on sewer network
Company site name
TYBURN - KIMBLE GROVE (CSO)
EA ID / permit
SVT01264 · T/10/36054/O
Outlet location
SP1334690258 (OS grid reference) · View on Apple Maps
WFD catchment
Tame - R Rea to R Blythe (GB104028046841)
2024 spills / hours
19 / 12
Long-term average
10.3 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 23 hours spilling →
Tributary of River Tame 9 23 down 53% 100%
Allenscroft Road CSO
Overflow on sewer network
Company site name
LIFFORD - ALLENS CROFT ROAD (CSO)
EA ID / permit
SVT00054 · T/09/36383/O
Outlet location
SP0578480257 (OS grid reference) · View on Apple Maps
WFD catchment
Rea source to Bourn Brook (GB104028042510)
2024 spills / hours
34 / 64
Long-term average
28.0 spills a year (monitored since 2021)
Investigation
Env Act (SODRP) investigation ongoing, UWWTR investigation completed, Operational investigation completed
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 23 hours spilling →
River Rea 22 23 down 35% 100%
Heanor - Berle Avenue CSO
Overflow on sewer network
Company site name
HEANOR - BERLE AVENUE (FIELD 7500) (CSO)
EA ID / permit
SVT01103 · T/61/21531/O
Outlet location
SK4377547110 (OS grid reference) · View on Apple Maps
WFD catchment
Bailey Brook Catchment (trib of Erewash) (GB104028052590)
2024 spills / hours
4 / 3.9
Long-term average
39.4 spills a year (monitored since 2021)
Investigation
Env Act (SODRP) investigation ongoing, UWWTR investigation completed, Operational investigation completed
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 22 hours spilling →
Tributary of Bailey Brook 27 22 up 575% 99%
Nottingham Road CSO
Overflow on sewer network
Company site name
SPONDON - NOTTINGHAM ROAD (CSO)
EA ID / permit
SVT01688 · T/48/20341/O
Outlet location
SK4052135041 (OS grid reference) · View on Apple Maps
WFD catchment
Derwent from Bottle Brook to Trent (GB104028053240)
2024 spills / hours
18 / 58
Long-term average
11.1 spills a year (monitored since 2019)
Investigation
No investigation activity in reporting period
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 22 hours spilling →
Trib of River Derwent 17 22 down 6% 100%
Harthill - Field Off Hard Lane CSO
Overflow on sewer network
Company site name
HARTHILL - FIELD OFF HARD LANE (CSO)
EA ID / permit
SVT01070 · T/75/07062/O
Outlet location
SK4891281545 (OS grid reference) · View on Apple Maps
WFD catchment
Broad Bridge Dyke Catchment (trib of Chesterfield Canal) (GB104028058161)
2024 spills / hours
4 / 3.5
Long-term average
8.0 spills a year (monitored since 2021)
Investigation
Operational investigation ongoing
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 22 hours spilling →
Broad Bridge Dike 21 22 up 425% 100%
Stamford Gardens CSO Overflow 20
Overflow on sewer network
Company site name
LEAMINGTON - STAMFORD GARDENS (CSO)
EA ID / permit
SVT02159 · S/12/21859/O
Outlet location
SP3128365689 (OS grid reference) · View on Apple Maps
WFD catchment
Leam - conf R Itchen to conf R Avon (GB109054044140)
2024 spills / hours
13 / 26
Long-term average
5.9 spills a year (monitored since 2019)
Investigation
Env Act (SODRP) investigation ongoing
Improvement
UWWTR improvement completed
Volume & pollution
Estimate from 22 hours spilling →
River Leam 4 22 down 69% 98%
Bulwell - St Andrews Close CSO
Overflow on sewer network
Company site name
BULWELL - ST ANDREWS CLOSE 33 (CSO)
EA ID / permit
SVT00408 · T/63/22902/O
Outlet location
SK5418045293 (OS grid reference) · View on Apple Maps
WFD catchment
Leen from Source to Day Brook (GB104028052880)
2024 spills / hours
22 / 10
Long-term average
14.0 spills a year (monitored since 2021)
Investigation
UWWTR investigation completed, Operational investigation ongoing
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 22 hours spilling →
River Leen 23 22 up 5% 100%
Green Street CSO
Overflow on sewer network
Company site name
KIDDERMINSTER - COMBERTON ROAD (CSO)
EA ID / permit
SVT01006 · S/06/12242/O
Outlet location
SO8285575758 (OS grid reference) · View on Apple Maps
WFD catchment
Stour (Worcs) - conf Smestow Bk to conf R Severn (GB109054044710)
2024 spills / hours
50 / 61
Long-term average
33.1 spills a year (monitored since 2019)
Investigation
UWWTR investigation completed, Operational investigation ongoing
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 22 hours spilling →
River Stour 30 22 down 40% 100%
Somercotes - Birchwood Lane SPS
Storm discharge at pumping station
Company site name
SOMERCOTES - BIRCHWOOD LN (SSO)
EA ID / permit
SVT02095 · T/61/45731/O
Outlet location
SK4353254272 (OS grid reference) · View on Apple Maps
WFD catchment
Erewash from Source to Nethergreen Brook (GB104028052740)
2024 spills / hours
16 / 90
Long-term average
9.6 spills a year (monitored since 2021)
Investigation
Env Act (SODRP) investigation ongoing, UWWTR investigation completed, Operational investigation completed
Improvement
Operational improvement completed
Volume & pollution
Estimate from 22 hours spilling →
Tributary of River Erewash 7 22 down 56% 100%
Chamberlain Avenue CSO
Overflow on sewer network
Company site name
BOOTHEN - CHAMBERLAIN AVENUE (CSO)
EA ID / permit
SVT00506 · T/01/30171/O
Outlet location
SJ8785644412 (OS grid reference) · View on Apple Maps
WFD catchment
Trent from Fowlea Brook to Tittensor (GB104028053271)
2024 spills / hours
6 / 0.8
Long-term average
31.7 spills a year (monitored since 2020)
High-spill reason (company)
Not asset maintenance - Hydraulic capacity
Investigation
Env Act (SODRP) investigation ongoing, UWWTR investigation completed, Operational investigation completed
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 22 hours spilling →
River Trent 36 22 up 500% 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.