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
Moreton Morrell WwTW
Inlet overflow at sewage works
Sewage works
Moreton Morrell
Company site name
MORETON MORRELL STW (SSTO)
EA ID / permit
SVT01585 · S/13/26230/R
Outlet location
SP3023456361 (OS grid reference) · View on Apple Maps
WFD catchment
Avon (Wark) conf R Leam to Tramway Br, Stratford (GB109054044402)
2024 spills / hours
12 / 80
Long-term average
25.2 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 39 hours spilling →
Charlecote Brook 8 39 down 33% 100%
Ashby Road CSO
Overflow on sewer network
Company site name
MOIRA - ASHBY ROAD (CSO)
EA ID / permit
SVT00124 · T/23/12399/O
Outlet location
SK3249116110 (OS grid reference) · View on Apple Maps
WFD catchment
Hooborough Brook from Source to River Mease (GB104028046580)
2024 spills / hours
22 / 83
Long-term average
9.7 spills a year (monitored since 2019)
Investigation
UWWTR investigation completed
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 39 hours spilling →
Tributary of Shell Brook 17 39 down 23% 98%
Roden STW
Storm tank at sewage works
Sewage works
Roden
Company site name
RODEN STW (CSO)
EA ID / permit
SVT01902 · S/04/56176/R
Outlet location
SJ5756216934 (OS grid reference) · View on Apple Maps
WFD catchment
Roden - conf Sleap Bk to conf R Tern (GB109054049190)
2024 spills / hours
19 / 65
Long-term average
33.0 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 39 hours spilling →
River Roden 19 39 no change 100%
Clee Hill - Tenbury Road (CSO)
Overflow on sewer network
EA ID / permit
SVT00576 · S/09/10314/O
Outlet location
SO5886075350 (OS grid reference) · View on Apple Maps
WFD catchment
Ledwyche Bk - conf Dogditch Bk to conf R Teme (GB109054044490)
2024 spills / hours
41 / 78
Long-term average
12.4 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 39 hours spilling →
Trib of Colly Brook 27 39 down 34% 99%
Mansf Woodhouse - Old Mill Ln (CSO)
Storm discharge at pumping station
EA ID / permit
SVT01479 · Permit application submitted
Outlet location
SK5476562602 (OS grid reference) · View on Apple Maps
WFD catchment
Maun from Source to Vicar Water (GB104028052960)
2024 spills / hours
33 / 36
Long-term average
37.4 spills a year (monitored since 2021)
High-spill reason (company)
Not asset maintenance - Hydraulic capacity
Investigation
Env Act (SODRP) investigation ongoing, UWWTR investigation ongoing, Operational investigation completed
Improvement
Operational improvement completed
Volume & pollution
Estimate from 39 hours spilling →
River Maun 32 39 down 3% 100%
Melton Mowbray - Dalby Road (CSO)
Overflow on sewer network
EA ID / permit
SVT02398 · T/55/03724/O
Outlet location
SK7510018900 (OS grid reference) · View on Apple Maps
WFD catchment
Eye / Wreake from Langham Brook to Soar (GB104028047550)
2024 spills / hours
12 / 60
Long-term average
4.4 spills a year (monitored since 2021)
Investigation
Operational investigation completed
Improvement
Operational improvement completed
Volume & pollution
Estimate from 39 hours spilling →
River Wreake (Eye) Trib 4 39 down 67% 95%
Werrington - Clough Lane CSO
Overflow on sewer network
Company site name
WERRINGTON - CLOUGH LANE (CSO)
EA ID / permit
SVT02501 · T/01/36468/O
Outlet location
SJ9306646858 (OS grid reference) · View on Apple Maps
WFD catchment
Causeley Brook from Source to River Trent (GB104028053310)
2024 spills / hours
23 / 53
Long-term average
17.2 spills a year (monitored since 2021)
Investigation
Env Act (SODRP) investigation ongoing, UWWTR investigation ongoing, Operational investigation ongoing
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 39 hours spilling →
Tributary of River Trent 20 39 down 13% 100%
Ashby Folville - Folville Street (CSO)
Storm discharge at pumping station
EA ID / permit
SVT00120 · EPRYB3093VZ
Outlet location
SK7050012200 (OS grid reference) · View on Apple Maps
WFD catchment
Queniborough Brook Catchment (trib of Wreake) (GB104028047450)
2024 spills / hours
23 / 225
Long-term average
14.6 spills a year (monitored since 2021)
Investigation
UWWTR investigation completed, Operational investigation completed
Improvement
Operational improvement completed
Volume & pollution
Estimate from 39 hours spilling →
Barsby Brook 7 39 down 70% 100%
Lower Oxford Road CSO
Overflow on sewer network
Company site name
ETRURIA - ETRURIA/LOWER OXFORD RD (CSO)
EA ID / permit
SVT01435 · T/01/22738/O
Outlet location
SJ8657946984 (OS grid reference) · View on Apple Maps
WFD catchment
Fowlea Brook from Source to River Trent (GB104028053360)
2024 spills / hours
33 / 60
Long-term average
29.5 spills a year (monitored since 2020)
Investigation
Env Act (SODRP) investigation ongoing, UWWTR investigation ongoing, Operational investigation completed
Improvement
UWWTR improvement completed
Volume & pollution
Estimate from 39 hours spilling →
Fowlea Brook 9 39 down 73% 100%
Cosby Road SPS CSO
Storm discharge at pumping station
Company site name
LITTLETHORPE - COSBY ROAD (SSO)
EA ID / permit
SVT00637 · T/50/01009/O
Outlet location
SP5429797206 (OS grid reference) · View on Apple Maps
WFD catchment
Soar from Thurlaston Brook to Sence (GB104028046880)
2024 spills / hours
20 / 197
Long-term average
12.4 spills a year (monitored since 2019)
Investigation
UWWTR investigation completed
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 39 hours spilling →
River Soar (Tributary) 3 39 down 85% 100%
Kings Coughton -Birmingham Road SPS
Storm discharge at pumping station
Company site name
KINGS COUGHTON - BIRMINGHAM ROAD (CSO)
EA ID / permit
SVT01272 · S/15/08983/O
Outlet location
SP0839159014 (OS grid reference) · View on Apple Maps
WFD catchment
Arrow - Spernall Hall Fm, Studley to conf R Alne (GB109054043780)
2024 spills / hours
22 / 139
Long-term average
10.3 spills a year (monitored since 2019)
Investigation
Env Act (SODRP) investigation ongoing, Operational investigation completed
Improvement
Operational improvement completed
Volume & pollution
Estimate from 39 hours spilling →
Tributary of River Arrow 6 39 down 73% 100%
Stetchford - Eastfield Rd CSO
Overflow on sewer network
Company site name
STECHFORD - EASTFIELD ROAD (CSO)
EA ID / permit
SVT02196 · T/12/36497/O
Outlet location
SP1238787495 (OS grid reference) · View on Apple Maps
WFD catchment
Cole from Springfield to Hatchford-Kingshurst Brook (GB104028042502)
2024 spills / hours
20 / 38
Long-term average
11.8 spills a year (monitored since 2021)
Investigation
UWWTR investigation completed
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 39 hours spilling →
Tributary of River Cole 11 39 down 45% 99%
Eastwood - Mansfield Road CSO
Overflow on sewer network
Company site name
MANSFIELD ROAD/EASTWOOD PARK (CSO)
EA ID / permit
SVT00836 · T/61/02559/O
Outlet location
SK4637947443 (OS grid reference) · View on Apple Maps
WFD catchment
Nethergreen Brook Catchment (trib of Erewash) (GB104028052620)
2024 spills / hours
27 / 62
Long-term average
23.4 spills a year (monitored since 2021)
Investigation
UWWTR investigation completed, Operational investigation ongoing
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 38 hours spilling →
Tributary of River Erewash 18 38 down 33% 100%
Quay Lane Sewage Treatment Works
Inlet overflow at sewage works
Sewage works
Quay Lane
Company site name
QUAY LANE STW (CSO&EO)
EA ID / permit
SVT01838 · S/08/26508/R
Outlet location
SO8452041620 (OS grid reference) · View on Apple Maps
WFD catchment
Severn - conf R Teme to conf R Avon (GB109054039760)
2024 spills / hours
73 / 167
Long-term average
47.2 spills a year (monitored since 2021)
High-spill reason (company)
Not asset maintenance - Hydraulic capacity
Investigation
UWWTR investigation completed, Operational investigation completed
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 38 hours spilling →
River Severn 32 38 down 56% 99%
Harby - Watson'S Lane CSO
Overflow on sewer network
Company site name
HARBY - WATSONS LANE (CSO)
EA ID / permit
SVT01061 · T/66/09254/O
Outlet location
SK7444030850 (OS grid reference) · View on Apple Maps
WFD catchment
Stroom Dyke Catchment (trib of Smite) (GB104028053030)
2024 spills / hours
17 / 59
Long-term average
12.4 spills a year (monitored since 2021)
Investigation
UWWTR investigation completed
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 38 hours spilling →
Tributary of Stroom Dyke 8 38 down 53% 91%
Brodick Road CSO
Overflow on sewer network
Company site name
HINCKLEY - LANGDALE ROAD (CSO)
EA ID / permit
SVT00373 · T/19/30299/O
Outlet location
SP4072693786 (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
19.6 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 38 hours spilling →
Harrow Brook 14 38 up 367% 100%
Lodge Road No.1 (Musgrave) CSO
Overflow on sewer network
Company site name
WINSON GREEN - LODGE/MUSGRAVE RD (CSO)
EA ID / permit
SVT01392 · T/09/35898/O
Outlet location
SP0516888915 (OS grid reference) · View on Apple Maps
WFD catchment
Hockley Brook Catchment (trib of Rea) (GB104028042640)
2024 spills / hours
61 / 74
Long-term average
35.6 spills a year (monitored since 2019)
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 38 hours spilling →
Hockley Brook 48 38 down 21% 100%
Burbage - Sapcote Road CSO
Storm discharge at pumping station
Company site name
BURBAGE - SAPCOTE ROAD (CSO)
EA ID / permit
SVT00414 · T/50/40061/O
Outlet location
SP4494293353 (OS grid reference) · View on Apple Maps
WFD catchment
Soar Brook from Source to Soar (GB104028042590)
2024 spills / hours
40 / 143
Long-term average
35.6 spills a year (monitored since 2021)
Investigation
Env Act (SODRP) investigation ongoing, UWWTR investigation completed, Operational investigation ongoing
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 38 hours spilling →
Tributary of Soar Brook 27 38 down 33% 98%
Harby - Watson'S Lane CSO
Overflow on sewer network
Company site name
STATHERN - HARBY LANE (CSO)
EA ID / permit
SVT01060 · EPRHB3899EG
Outlet location
SK7444030850 (OS grid reference) · View on Apple Maps
WFD catchment
Stroom Dyke Catchment (trib of Smite) (GB104028053030)
2024 spills / hours
16 / 35
Long-term average
16.0 spills a year (monitored since 2019)
Investigation
UWWTR investigation ongoing, Operational investigation ongoing
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 38 hours spilling →
Tributary of Stroom Dyke 13 38 down 19% 100%
Wickhamford - Golden Lane SPS
Storm discharge at pumping station
Company site name
WICKHAMFORD - GOLDEN LANE (CSO)
EA ID / permit
SVT00970 · S/16/26141/O
Outlet location
SP0691842160 (OS grid reference) · View on Apple Maps
WFD catchment
Broadway-Badsey Bk - source to conf R Avon (GB109054039350)
2024 spills / hours
21 / 211
Long-term average
7.6 spills a year (monitored since 2021)
Monitor below 90%
Power failure / issue · Resolved - May
Investigation
Operational investigation completed
Improvement
Operational improvement completed
Volume & pollution
Estimate from 38 hours spilling →
Tributary of Badsey Brook 4 38 down 81% 75%
Burton Upon Trent - Heath Rd (CSO)
Overflow on sewer network
EA ID / permit
SVT00436 · Permit application submitted
Outlet location
SK2502421480 (OS grid reference) · View on Apple Maps
WFD catchment
Trent - R Tame to R Dove (GB104028047180)
2024 spills / hours
40 / 103
Long-term average
19.6 spills a year (monitored since 2021)
Investigation
Env Act (SODRP) investigation ongoing, UWWTR investigation completed, Operational investigation ongoing
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 38 hours spilling →
River Trent 15 38 down 63% 100%
Breaston - Risley Lane (SO)
Overflow on sewer network
EA ID / permit
SVT00334 · Permit application submitted
Outlet location
SK4573333998 (OS grid reference) · View on Apple Maps
WFD catchment
Erewash from Gilt Brook to Trent (GB104028052480)
2024 spills / hours
22 / 46
Long-term average
21.3 spills a year (monitored since 2022)
Investigation
Env Act (SODRP) investigation ongoing, UWWTR investigation ongoing, Operational investigation completed
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 38 hours spilling →
Golden Brook 16 38 down 27% 100%
Warmsworth Wastewater Treatment Wks
Storm tank at sewage works
Sewage works
Warmsworth Wastewater Treatment Wks
Company site name
WARMSWORTH STW (SSTO & EO)
EA ID / permit
SVT02446 · T/83/45838/R
Outlet location
SK5510099900 (OS grid reference) · View on Apple Maps
WFD catchment
St Catherine's Well Stream from Source to Torne (GB104028058420)
2024 spills / hours
9 / 35
Long-term average
9.8 spills a year (monitored since 2021)
Investigation
UWWTR investigation completed, Operational investigation completed
Improvement
Operational improvement completed
Volume & pollution
Estimate from 38 hours spilling →
Warmsworth Beck 6 38 down 33% 100%
Leek Road CSO
Overflow on sewer network
Company site name
HANLEY - LEEK ROAD (CSO)
EA ID / permit
SVT01343 · T/01/36022/O
Outlet location
SJ8953047150 (OS grid reference) · View on Apple Maps
WFD catchment
Trent - Ford Green Bk to Fowlea Bk (GB104028053301)
2024 spills / hours
4 / 14
Long-term average
26.5 spills a year (monitored since 2019)
Investigation
Env Act (SODRP) investigation ongoing, UWWTR investigation completed, Operational investigation completed
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 38 hours spilling →
River Trent 16 38 up 300% 100%
Stanley Lane SPS
Overflow on sewer network
Company site name
BRIDGNORTH - STANLEY LANE (CSO)
EA ID / permit
SVT02164 · S/02/08954/O
Outlet location
SO7192194045 (OS grid reference) · View on Apple Maps
WFD catchment
Severn - conf R Worfe to conf R Stour (GB109054049145)
2024 spills / hours
39 / 54
Long-term average
27.5 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 38 hours spilling →
Cantern Brook 29 38 down 26% 100%
Eckington Pumping Station
Storm discharge at pumping station
Company site name
ECKINGTON - MILL LANE (CSO)
EA ID / permit
SVT00841 · S/17/26702/O
Outlet location
SO9172040800 (OS grid reference) · View on Apple Maps
WFD catchment
Avon conf Workman Br, Evesham to conf R Severn (GB109054044403)
2024 spills / hours
36 / 156
Long-term average
18.2 spills a year (monitored since 2020)
Investigation
UWWTR investigation ongoing, Operational investigation completed
Improvement
Operational improvement completed
Volume & pollution
Estimate from 38 hours spilling →
Hammock Brook 13 38 down 64% 99%
Wood End CSO
Overflow on sewer network
Company site name
WOOD END - WOOD STREET (CSO)
EA ID / permit
SVT02599 · T/14/35328/O
Outlet location
SP2396097728 (OS grid reference) · View on Apple Maps
WFD catchment
Tame from R Blythe to River Anker (GB104028046440)
2024 spills / hours
35 / 55
Long-term average
32.5 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 38 hours spilling →
Tributary of River Tame 24 38 down 31% 100%
Hilcote - New Lane SPS
Storm discharge at pumping station
Company site name
HILCOTE - NEW LANE (SSO)
EA ID / permit
SVT01133 · T/41/20329/O
Outlet location
SK4513957747 (OS grid reference) · View on Apple Maps
WFD catchment
Alfreton Brook from Source to Westwood Brook (GB104028052350)
2024 spills / hours
12 / 44
Long-term average
11.8 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 38 hours spilling →
Normanton Brook 8 38 down 33% 100%
Macdonald Street CSO 1
Overflow on sewer network
Company site name
DIGBETH - MACDONALD ST (CSO)
EA ID / permit
SVT01450 · EPRKP3223KZ
Outlet location
SP0752085784 (OS grid reference) · View on Apple Maps
WFD catchment
Rea from Bourn Brook to River Tame (GB104028042550)
2024 spills / hours
34 / 49
Long-term average
34.0 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 37 hours spilling →
River Rea 11 37 down 68% 100%
Sneyd Lane CSO
Overflow on sewer network
Company site name
BLOXWICH - SNEYD LANE (CSO)
EA ID / permit
SVT02084 · TSC1775
Outlet location
SJ9863902203 (OS grid reference) · View on Apple Maps
WFD catchment
Sneyd Brook from Source to Tame (W/hampton Arm) (GB104028046950)
2024 spills / hours
30 / 161
Long-term average
18.0 spills a year (monitored since 2019)
Monitor below 90%
Comms failure / issue · Resolved - Oct
Investigation
Env Act (SODRP) investigation ongoing, UWWTR investigation completed, Operational investigation completed
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 37 hours spilling →
Sneyd Brook 15 37 down 50% 87%
Saltley Mainstream Way CSO
Overflow on sewer network
Company site name
SALTLEY - MAINSTREAM WAY 2 (CSO)
EA ID / permit
SVT01938 · T/09/21262/O
Outlet location
SP0922788343 (OS grid reference) · View on Apple Maps
WFD catchment
Rea from Bourn Brook to River Tame (GB104028042550)
2024 spills / hours
22 / 53
Long-term average
13.2 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 37 hours spilling →
River Rea 10 37 down 55% 100%
Darlaston Road CSO
Overflow on sewer network
Company site name
DARLASTON - DARLASTON ROAD (CSO)
EA ID / permit
SVT00729 · T/08/12398/O
Outlet location
SO9893197449 (OS grid reference) · View on Apple Maps
WFD catchment
Tame (W/ton Arm) source to conf Oldbury (GB104028046930)
2024 spills / hours
5 / 27
Long-term average
7.8 spills a year (monitored since 2021)
Investigation
Env Act (SODRP) investigation ongoing, Operational investigation completed
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 37 hours spilling →
River Tame 11 37 up 120% 100%
Rainworth Sewage Treatment Works
Inlet overflow at sewage works
Sewage works
Rainworth
Company site name
RAINWORTH STW (CSO)
EA ID / permit
SVT01861 · T/70/45715/R
Outlet location
SK5976059200 (OS grid reference) · View on Apple Maps
WFD catchment
Rainworth Water from Source to Gallow Hole Dyke (GB104028052940)
2024 spills / hours
21 / 42
Long-term average
20.0 spills a year (monitored since 2021)
Investigation
UWWTR investigation ongoing, Operational investigation completed
Improvement
Operational improvement ongoing
Volume & pollution
Estimate from 37 hours spilling →
Rainworth Water 19 37 down 10% 99%
Blidworth - Dale Ln/Baulker Ln SPS
Storm discharge at pumping station
Company site name
BLIDWORTH - DALE LANE/BAULKER LANE (CSO)
EA ID / permit
SVT00293 · T/64/46422/OG
Outlet location
SK6077256221 (OS grid reference) · View on Apple Maps
WFD catchment
Greet Catchment (trib of Trent) (GB104028053410)
2024 spills / hours
20 / 63
Long-term average
15.0 spills a year (monitored since 2021)
Investigation
UWWTR investigation ongoing, Operational investigation completed
Improvement
Operational improvement completed
Volume & pollution
Estimate from 37 hours spilling →
Gw via Infiltration System 10 37 down 50% 100%
Frankton - Manor Farm SPS
Storm discharge at pumping station
Company site name
FRANKTON - MANOR FARM (SSO)
EA ID / permit
SVT00924 · S/12/09044/O
Outlet location
SP4226269993 (OS grid reference) · View on Apple Maps
WFD catchment
Leam - conf Rains Bk to conf R Itchen (GB109054044130)
2024 spills / hours
24 / 206
Long-term average
9.0 spills a year (monitored since 2021)
Investigation
Operational investigation completed
Improvement
Operational improvement completed
Volume & pollution
Estimate from 37 hours spilling →
Tributary of River Leam 7 37 down 71% 99%
Goscote Sewage Treatment Works
Storm tank at sewage works
Sewage works
Goscote
Company site name
GOSCOTE STW (SSTO)
EA ID / permit
SVT00977 · T/08/36220/R
Outlet location
SK0212901976 (OS grid reference) · View on Apple Maps
WFD catchment
Ford Brook from Source to River Tame (GB104028046990)
2024 spills / hours
58 / 322
Long-term average
18.4 spills a year (monitored since 2021)
Investigation
Env Act (SODRP) investigation ongoing, UWWTR investigation completed, Operational investigation ongoing
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 37 hours spilling →
Ford Brook 15 37 down 74% 100%
Middleton Sewage Treatment Works
Storm tank at sewage works
Sewage works
Middleton
Company site name
MIDDLETON VILLAGE STW (SSTO)
EA ID / permit
SVT01557 · T/16/35964/R
Outlet location
SP1841498118 (OS grid reference) · View on Apple Maps
WFD catchment
Langley Bk - source to conf R Tame (GB104028046901)
2024 spills / hours
8 / 11
Long-term average
23.6 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 37 hours spilling →
Langley Brook 19 37 up 138% 100%
Acresford Sewage Pumping Station
Storm discharge at pumping station
Company site name
ACRESFORD - BURTON ROAD (SSO)
EA ID / permit
SVT00024 · T/23/02833/O
Outlet location
SK2990013100 (OS grid reference) · View on Apple Maps
WFD catchment
Hooborough Brook from Source to River Mease (GB104028046580)
2024 spills / hours
8 / 15
Long-term average
3.0 spills a year (monitored since 2021)
Investigation
Operational investigation completed
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 37 hours spilling →
Hooborough Brook 7 37 down 13% 99%
Haselor - Walcote Road SPS
Storm discharge at pumping station
Company site name
HASELOR - WALCOTE ROAD (SSO)
EA ID / permit
SVT01080 · Permit application submitted
Outlet location
SP1217157990 (OS grid reference) · View on Apple Maps
WFD catchment
Alne - conf Claverdon Bk to conf R Arrow (GB109054043720)
2024 spills / hours
35 / 300
Long-term average
38.6 spills a year (monitored since 2021)
Investigation
Env Act (SODRP) investigation ongoing, UWWTR investigation ongoing, Operational investigation ongoing
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 37 hours spilling →
Tributary of River Alne 3 37 down 91% 99%
Woodsetts Sewage Treatment Works
Storm tank at sewage works
Sewage works
Woodsetts
Company site name
WOODSETTS STW (SSTO)
EA ID / permit
SVT02620 · T/76/45627/R
Outlet location
SK5620083450 (OS grid reference) · View on Apple Maps
WFD catchment
Owlands Wood Dyke from Source to Hodscok Brook (GB104028058170)
2024 spills / hours
84 / 630
Long-term average
50.2 spills a year (monitored since 2021)
Investigation
UWWTR investigation ongoing, Operational investigation completed
Improvement
Operational improvement ongoing
Volume & pollution
Estimate from 37 hours spilling →
Tributary of Owlands Wood Dyke 5 37 down 94% 100%
Friday Lane
Overflow on sewer network
Company site name
CATHERINE-DE-BARNES - FRIDAY LANE (CSO)
EA ID / permit
SVT00930 · T/11/02414/O
Outlet location
SP1860079600 (OS grid reference) · View on Apple Maps
WFD catchment
Blythe from Source to Cuttle Brook (GB104028042400)
2024 spills / hours
8 / 45
Long-term average
3.5 spills a year (monitored since 2022)
Investigation
Env Act (SODRP) investigation ongoing, Operational investigation ongoing
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 37 hours spilling →
River Blythe (Trib) 4 37 down 50% 100%
The Mill Walk CSO
Overflow on sewer network
Company site name
NORTHFIELD - THE MILL WALK (CSO)
EA ID / permit
SVT02296 · T/09/36047/O
Outlet location
SP0190678438 (OS grid reference) · View on Apple Maps
WFD catchment
Rea source to Bourn Brook (GB104028042510)
2024 spills / hours
2 / 2.5
Long-term average
2.8 spills a year (monitored since 2020)
Investigation
Env Act (SODRP) investigation ongoing, Operational investigation ongoing
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 36 hours spilling →
River Rea 6 36 up 200% 100%
Colton-Off Martin Lane (CSO)
Overflow on sewer network
EA ID / permit
SVT00619 · Permit application submitted
Outlet location
SK0501920388 (OS grid reference) · View on Apple Maps
WFD catchment
Moreton Brook from Source to River Trent (GB104028047380)
2024 spills / hours
54 / 105
Long-term average
40.5 spills a year (monitored since 2022)
High-spill reason (company)
Not asset maintenance - Hydraulic capacity
Investigation
UWWTR investigation ongoing, Operational investigation completed
Improvement
Operational improvement ongoing
Volume & pollution
Estimate from 36 hours spilling →
Trib of Moreton Brook 33 36 down 39% 100%
Leamington-Princes Drive CSO 19B
Storm discharge at pumping station
Company site name
LEAMINGTON - PRINCES DR (REF 19B) (CSO)
EA ID / permit
SVT01333 · S/12/20264/O
Outlet location
SP3084665428 (OS grid reference) · View on Apple Maps
WFD catchment
Leam - conf R Itchen to conf R Avon (GB109054044140)
2024 spills / hours
9 / 17
Long-term average
13.3 spills a year (monitored since 2019)
Investigation
Env Act (SODRP) investigation ongoing, UWWTR investigation completed, Operational investigation ongoing
Improvement
UWWTR improvement completed
Volume & pollution
Estimate from 36 hours spilling →
River Leam 13 36 up 44% 100%
Royal Meadow Drive CSO
Overflow on sewer network
Company site name
ATHERSTONE - ROYAL MEADOW DRIVE (CSO)
EA ID / permit
SVT01917 · NPSWQD003812
Outlet location
SP3143798754 (OS grid reference) · View on Apple Maps
WFD catchment
Anker from River Sence to River Tame (GB104028046460)
2024 spills / hours
– / –
Long-term average
23.2 spills a year (monitored since 2019)
Monitor below 90%
Installation set-up/design issue · Resolved - Feb
Investigation
UWWTR investigation completed, Operational investigation completed
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 36 hours spilling →
Tributary of River Anker 9 36 84%
Melton - Leicester Bridge O/L D (CSO)
Overflow on sewer network
EA ID / permit
SVT02399 · EPRHB3995EB
Outlet location
SK7490018900 (OS grid reference) · View on Apple Maps
WFD catchment
Eye / Wreake from Langham Brook to Soar (GB104028047550)
2024 spills / hours
14 / 78
Long-term average
8.6 spills a year (monitored since 2019)
Investigation
Operational investigation completed
Improvement
Operational improvement completed
Volume & pollution
Estimate from 36 hours spilling →
River Wreake (Eye) Trib 5 36 down 64% 100%
Lenchwick Pumping Station (SPS)
Storm discharge at pumping station
Company site name
LENCHWICK - MAIN ROAD PS (SSO)
EA ID / permit
SVT01349 · S/17/26190/O
Outlet location
SP0353046890 (OS grid reference) · View on Apple Maps
WFD catchment
Avon conf Workman Br, Evesham to conf R Severn (GB109054044403)
2024 spills / hours
2 / 11
Long-term average
2.8 spills a year (monitored since 2020)
Investigation
No investigation activity in reporting period
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 36 hours spilling →
Lenchwick Stream 6 36 up 200% 99%
King'S Norton-Wychall Lane CSO
Overflow on sewer network
Company site name
KINGS NORTON - WYCHALL LANE (CSO)
EA ID / permit
SVT01275 · DT/9865
Outlet location
SP0434479143 (OS grid reference) · View on Apple Maps
WFD catchment
Rea source to Bourn Brook (GB104028042510)
2024 spills / hours
30 / 53
Long-term average
31.0 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 36 hours spilling →
River Rea 22 36 down 27% 100%
Crown Lane CSO
Overflow on sewer network
Company site name
WYCHBOLD - CROWN LANE (CSO)
EA ID / permit
SVT00695 · S/07/26835/O
Outlet location
SO9201966349 (OS grid reference) · View on Apple Maps
WFD catchment
Salwarpe - source to conf Elmbridge Bk (GB109054044200)
2024 spills / hours
20 / 115
Long-term average
24.0 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 36 hours spilling →
River Salwarpe 10 36 down 50% 100%
Thrussington Sewage Pumping Station
Storm discharge at pumping station
Company site name
THRUSSINGTON - REARSBY ROAD (SSO)
EA ID / permit
SVT02313 · T/55/40151/O
Outlet location
SK6497315754 (OS grid reference) · View on Apple Maps
WFD catchment
Eye / Wreake from Langham Brook to Soar (GB104028047550)
2024 spills / hours
13 / 60
Long-term average
25.1 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 36 hours spilling →
Tributary of River Wreake 7 36 down 46% 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.