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
Trentham - Stone Road 1 CSO
Storm discharge at pumping station
Company site name
TRENTHAM - STONE ROAD (CSO)
EA ID / permit
SVT02342 · T/01/35954/O
Outlet location
SJ8689740923 (OS grid reference) · View on Apple Maps
WFD catchment
Longton Bk - source to R Trent (GB104028053273)
2024 spills / hours
17 / 47
Long-term average
18.0 spills a year (monitored since 2019)
Investigation
Env Act (SODRP) investigation ongoing, UWWTR investigation ongoing, Operational investigation completed
Improvement
Operational improvement completed
Volume & pollution
Estimate from 14 hours spilling →
Longton Brook 5 14 down 71% 100%
Bayston Road CSO
Overflow on sewer network
Company site name
KINGS HEATH - BAYSTON RD PLAY FLDS (CSO)
EA ID / permit
SVT00210 · T/12/36475/O
Outlet location
SP0742879275 (OS grid reference) · View on Apple Maps
WFD catchment
Cole from Source to Springfield (GB104028042501)
2024 spills / hours
55 / 40
Long-term average
39.8 spills a year (monitored since 2020)
High-spill reason (company)
Data collection - EDM non-representative location
Investigation
UWWTR investigation completed, Operational investigation completed
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 14 hours spilling →
Chinn Brook 40 14 down 27% 100%
Lenton Boulevard - Sherwin Road CSO
Overflow on sewer network
Company site name
LENTON - LENTON BLVD/SHERWIN RD (CSO)
EA ID / permit
SVT01350 · T/63/22909/O
Outlet location
SK5572838377 (OS grid reference) · View on Apple Maps
WFD catchment
Leen from Day Brook to Trent (GB104028053250)
2024 spills / hours
7 / 5.8
Long-term average
7.4 spills a year (monitored since 2019)
Monitor below 90%
Comms failure / issue · Resolved - Mar
Investigation
Env Act (SODRP) investigation ongoing, Operational investigation completed
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 14 hours spilling →
River Leen 12 14 up 71% 82%
Burntwood Road Storm Overflow
Overflow on sewer network
Company site name
HAMMERWICH - BURNTWOOD ROAD 35 (CSO)
EA ID / permit
SVT00421 · T/17/21842/O
Outlet location
SK0686008170 (OS grid reference) · View on Apple Maps
WFD catchment
Crane Brook - source to FootherleyBrook (GB104028046480)
2024 spills / hours
17 / 49
Long-term average
14.7 spills a year (monitored since 2023)
Investigation
UWWTR investigation completed, Operational investigation completed
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 14 hours spilling →
Burntwood Brook 12 14 down 29% 99%
Greyfriars Bridge CSO
Overflow on sewer network
Company site name
SHREWSBURY - VICTORIA AV (CSO)
EA ID / permit
SVT01014 · S/02/21032/O
Outlet location
SJ4946812149 (OS grid reference) · View on Apple Maps
WFD catchment
Severn - conf Bele Bk to conf Sundorne Bk (GB109054049142)
2024 spills / hours
43 / 356
Long-term average
100.6 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 14 hours spilling →
River Severn 12 14 down 72% 100%
Two Dales - Chesterfield Rd CSO
Overflow on sewer network
Company site name
TWO DALE-CHESTERFLD RD (THE CROFT) (CSO)
EA ID / permit
SVT02355 · EPRQB3393VF
Outlet location
SK2808962878 (OS grid reference) · View on Apple Maps
WFD catchment
Derwent from Wye to Amber (GB104028052390)
2024 spills / hours
17 / 19
Long-term average
14.7 spills a year (monitored since 2020)
Investigation
UWWTR investigation completed, Operational investigation completed
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 14 hours spilling →
Warney Brook 15 14 down 12% 100%
Church Hill Close
Overflow on sewer network
Company site name
SOLIHULL - CHURCH HILL ROAD (CSO)
EA ID / permit
SVT00540 · T/11/36251/O
Outlet location
SP1525078900 (OS grid reference) · View on Apple Maps
WFD catchment
Blythe from Source to Cuttle Brook (GB104028042400)
2024 spills / hours
18 / 80
Long-term average
7.5 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 14 hours spilling →
Trib of Alder Brook 4 14 down 78% 95%
Alrewas Sewage Treatment Works
Storm tank at sewage works
Sewage works
Alrewas
Company site name
ALREWAS STW (SSTO)
EA ID / permit
SVT00059 · T/07/36151/R
Outlet location
SK1820015108 (OS grid reference) · View on Apple Maps
WFD catchment
Tame from River Anker to River Trent (GB104028047050)
2024 spills / hours
8 / 59
Long-term average
15.8 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 14 hours spilling →
Tributary of the River Tame 3 14 down 63% 100%
Bulwell - Vernon Road 129 CSO
Overflow on sewer network
Company site name
BULWELL - VERNON ROAD 129 (CSO)
EA ID / permit
SVT00409 · T/64/21890/O
Outlet location
SK5500543422 (OS grid reference) · View on Apple Maps
WFD catchment
Leen from Source to Day Brook (GB104028052880)
2024 spills / hours
65 / 119
Long-term average
54.5 spills a year (monitored since 2021)
Investigation
UWWTR investigation ongoing, Operational investigation completed
Improvement
Operational improvement completed
Volume & pollution
Estimate from 14 hours spilling →
River Leen 10 14 down 85% 100%
Poplar Road CSO
Overflow on sewer network
Company site name
WOOD GREEN - POPLAR ROAD (CSO)
EA ID / permit
SVT01812 · T/08/30065/O
Outlet location
SO9934496706 (OS grid reference) · View on Apple Maps
WFD catchment
Tame (W/ton Arm) source to conf Oldbury (GB104028046930)
2024 spills / hours
11 / 22
Long-term average
10.7 spills a year (monitored since 2019)
Investigation
Env Act (SODRP) investigation ongoing, UWWTR investigation ongoing, Operational investigation ongoing
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 14 hours spilling →
River Tame 8 14 down 27% 100%
Coventry Road - Nutts Lane CSO
Overflow on sewer network
Company site name
HINCKLEY - COVENTRY RD/NUTTS LANE (CSO)
EA ID / permit
SVT00655 · T/19/35416/O
Outlet location
SP4072693786 (OS grid reference) · View on Apple Maps
WFD catchment
Sketchley Brook from Source to River Anker (GB104028042470)
2024 spills / hours
21 / 14
Long-term average
22.0 spills a year (monitored since 2019)
Investigation
Env Act (SODRP) investigation ongoing, UWWTR investigation ongoing
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 14 hours spilling →
The Battling Brook 9 14 down 57% 100%
Finningley Sewage Treatment Works
Storm tank at sewage works
Sewage works
Finningley
Company site name
FINNINGLEY STW (SSTO)
EA ID / permit
SVT00905 · T/82/45638/R
Outlet location
SK6820898500 (OS grid reference) · View on Apple Maps
WFD catchment
Warping Drain Catchment (trib of Trent) (GB104028058240)
2024 spills / hours
8 / 22
Long-term average
28.4 spills a year (monitored since 2021)
Monitor below 90%
No longer operational as an overflow - permit revoked or to be revoked · Overflow no longer spilling to environment - from Mar
Investigation
UWWTR investigation completed, Operational investigation completed
Improvement
UWWTR improvement completed
Volume & pollution
Estimate from 14 hours spilling →
Clay Dike 2 14 down 75% 100%
Davids Close/Station Road CSO
Overflow on sewer network
Company site name
CHELLASTON - STATION ROAD 83 (CSO)
EA ID / permit
SVT00742 · NPSWQD000198
Outlet location
SK3716730050 (OS grid reference) · View on Apple Maps
WFD catchment
Cuttle Brook Catchment (trib of Trent) (GB104028053130)
2024 spills / hours
0 / 0.0
Long-term average
45.0 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 14 hours spilling →
The Cuttle Brook 4 14 up from 0 100%
Langfield Road CSO
Overflow on sewer network
Company site name
KNOWLE - LANGFIELD ROAD (CSO)
EA ID / permit
SVT01312 · T/11/20992/O
Outlet location
SP1768977375 (OS grid reference) · View on Apple Maps
WFD catchment
Blythe from Source to Cuttle Brook (GB104028042400)
2024 spills / hours
6 / 13
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 14 hours spilling →
Purnells Brook 3 14 down 50% 100%
Lilypool CSO
Storm tank at sewage works
Sewage works
Lilypool
Company site name
MELBOURNE - CASTLE LANE (LILYPOOL) (CSO)
EA ID / permit
SVT01366 · T/36/40279/O
Outlet location
SK3912425390 (OS grid reference) · View on Apple Maps
WFD catchment
Carr-New Brook from Source to Ramsley Brook (GB104028047330)
2024 spills / hours
42 / 59
Long-term average
38.4 spills a year (monitored since 2019)
Monitor below 90%
No longer operational as an overflow - permit revoked or to be revoked · Overflow no longer spilling to environment - from Mar
Investigation
Env Act (SODRP) investigation ongoing, UWWTR investigation completed, Operational investigation completed
Improvement
Operational improvement completed
Volume & pollution
Estimate from 14 hours spilling →
Carr Brook 5 14 down 88% 100%
Barnhurst Sewage Treatment Works
Storm tank at sewage works
Sewage works
Barnhurst
Company site name
BARNHURST STW (SSTO)
EA ID / permit
SVT00183 · S/06/55227/R
Outlet location
SJ8973902637 (OS grid reference) · View on Apple Maps
WFD catchment
Penk from Source toSaredon Brook (GB104028046680)
2024 spills / hours
17 / 110
Long-term average
15.7 spills a year (monitored since 2020)
Investigation
Env Act (SODRP) investigation ongoing, UWWTR investigation completed
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 14 hours spilling →
Various - See Outlets 2 14 down 88% 100%
Lawley Street
Overflow on sewer network
Company site name
BORDESLEY - LAWLEY MIDDLEWAY (CSO)
EA ID / permit
SVT01324 · T/09/08852/O
Outlet location
SP0857087170 (OS grid reference) · View on Apple Maps
WFD catchment
Rea from Bourn Brook to River Tame (GB104028042550)
2024 spills / hours
18 / 20
Long-term average
5.2 spills a year (monitored since 2021)
Investigation
Env Act (SODRP) investigation ongoing, Operational investigation ongoing
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 14 hours spilling →
River Rea (Tame) 8 14 down 56% 100%
Tunstall Road CSO
Overflow on sewer network
Company site name
KNYPERSLEY - TUNSTALL ROAD (CSO)
EA ID / permit
SVT02350 · T/01/35494/O
Outlet location
SJ8810356240 (OS grid reference) · View on Apple Maps
WFD catchment
Trent from Source to Ford Green Brook (GB104028053400)
2024 spills / hours
14 / 33
Long-term average
13.0 spills a year (monitored since 2020)
Investigation
UWWTR investigation ongoing
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 14 hours spilling →
Tributary of River Trent 10 14 down 29% 100%
Claverley Sewage Treatment Works
Storm tank at sewage works
Sewage works
Claverley
Company site name
CLAVERLEY STW (SSTO)
EA ID / permit
SVT00569 · S/05/55897/R
Outlet location
SO7951393728 (OS grid reference) · View on Apple Maps
WFD catchment
Hilton Claverley Bk - source to conf Stratford Bk (GB109054045020)
2024 spills / hours
77 / 352
Long-term average
48.0 spills a year (monitored since 2021)
Investigation
UWWTR investigation completed, Operational investigation completed
Improvement
UWWTR improvement completed, Operational improvement completed
Volume & pollution
Estimate from 14 hours spilling →
Danford Brook 7 14 down 91% 99%
Anderson Road CSO
Overflow on sewer network
Company site name
BEARWOOD - ANDERSON ROAD (CSO)
EA ID / permit
SVT00080 · T/09/36150/O
Outlet location
SP0255685989 (OS grid reference) · View on Apple Maps
WFD catchment
Bourn Brook from Source to R Rea (GB104028042540)
2024 spills / hours
33 / 40
Long-term average
19.3 spills a year (monitored since 2020)
Investigation
UWWTR investigation completed, Operational investigation completed
Improvement
Operational improvement completed
Volume & pollution
Estimate from 14 hours spilling →
Chad Brook 20 14 down 39% 99%
Whetstone - the Dicken (SSO)
Storm discharge at pumping station
EA ID / permit
SVT02534 · T/50/02171/O
Outlet location
SP5573397113 (OS grid reference) · View on Apple Maps
WFD catchment
Whetstone Brook Catchment (trib of River Soar) (GB104028046810)
2024 spills / hours
8 / 70
Long-term average
24.5 spills a year (monitored since 2022)
Investigation
UWWTR investigation completed, Operational investigation completed
Improvement
Operational improvement completed
Volume & pollution
Estimate from 13 hours spilling →
Whetstone Brook 2 13 down 75% 100%
Enville Sewage Pumping Station
Storm discharge at pumping station
Company site name
LOWNDES ROAD - ENVILLE STREET (CSO)
EA ID / permit
SVT00868 · S/06/09103/O
Outlet location
SO8953584773 (OS grid reference) · View on Apple Maps
WFD catchment
Stour (Worcs) source to conf Smestow Bk (GB109054044750)
2024 spills / hours
7 / 34
Long-term average
6.3 spills a year (monitored since 2020)
Investigation
UWWTR investigation completed
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 13 hours spilling →
River Stour 2 13 down 71% 100%
52 Nansen Road CSO
Overflow on sewer network
Company site name
WASHWOOD HEATH - NANSEN ROAD 52 (CSO)
EA ID / permit
SVT00008 · T/10/36322/O
Outlet location
SP1081988316 (OS grid reference) · View on Apple Maps
WFD catchment
Tame - R Rea to R Blythe (GB104028046841)
2024 spills / hours
26 / 11
Long-term average
25.8 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 13 hours spilling →
Tributary of River Tame 27 13 up 4% 100%
Two Dales Garage CSO
Overflow on sewer network
Company site name
TWO DALES - DALE RD SOUTH (GARAGE) (CSO)
EA ID / permit
SVT02358 · T/40/45742/O
Outlet location
SK2769862656 (OS grid reference) · View on Apple Maps
WFD catchment
Derwent from Wye to Amber (GB104028052390)
2024 spills / hours
6 / 0.2
Long-term average
22.2 spills a year (monitored since 2017)
Investigation
UWWTR investigation ongoing
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 13 hours spilling →
Warney Brook 7 13 up 17% 100%
Dysart Way CSO
Overflow on sewer network
Company site name
BELGRAVE - DYSART WAY (CSO)
EA ID / permit
SVT00813 · TSC664
Outlet location
SK5902905671 (OS grid reference) · View on Apple Maps
WFD catchment
Soar from Sence to Rothley Brook (GB104028047030)
2024 spills / hours
24 / 36
Long-term average
19.4 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 13 hours spilling →
Grand Union Canal 11 13 down 54% 100%
Wilsthorpe Road SPS
Storm discharge at pumping station
Company site name
BREASTON - WILSTHORPE ROAD (SSO)
EA ID / permit
SVT02570 · T/61/40169/O
Outlet location
SK4715433376 (OS grid reference) · View on Apple Maps
WFD catchment
Erewash from Gilt Brook to Trent (GB104028052480)
2024 spills / hours
6 / 33
Long-term average
6.7 spills a year (monitored since 2019)
Investigation
Env Act (SODRP) investigation ongoing, Operational investigation completed
Improvement
Operational improvement completed
Volume & pollution
Estimate from 13 hours spilling →
Golden Brook 5 13 down 17% 100%
Market Overton STW
Storm tank at sewage works
Sewage works
Market Overton
Company site name
MARKET OVERTON STW (CSO)
EA ID / permit
SVT01501 · T/54/45475/R
Outlet location
SK8876015756 (OS grid reference) · View on Apple Maps
WFD catchment
Langham Brook from Source to Whissendine Brook (GB104028047520)
2024 spills / hours
16 / 11
Long-term average
18.6 spills a year (monitored since 2021)
Monitor below 90%
Installation set-up/design issue · Resolved - Mar
Investigation
UWWTR investigation ongoing, Operational investigation completed
Improvement
Operational improvement completed
Volume & pollution
Estimate from 13 hours spilling →
Tributary of Whissendine Brook 2 13 down 88% 88%
Hinckley - Harrowbrook Road CSO
Overflow on sewer network
Company site name
HINCKLEY - HARROWBROOK ROAD (CSO)
EA ID / permit
SVT01146 · T/19/35414/O
Outlet location
SP4000593186 (OS grid reference) · View on Apple Maps
WFD catchment
Sketchley Brook from Source to River Anker (GB104028042470)
2024 spills / hours
14 / 255
Long-term average
7.4 spills a year (monitored since 2021)
Investigation
Env Act (SODRP) investigation ongoing, Operational investigation completed
Improvement
Operational improvement completed
Volume & pollution
Estimate from 13 hours spilling →
Harrow Brook 2 13 down 86% 100%
Compton Park CSO
Overflow on sewer network
Company site name
COMPTON - PARK (CSO)
EA ID / permit
SVT00627 · S/06/55300/O
Outlet location
SO8876899285 (OS grid reference) · View on Apple Maps
WFD catchment
Smestow Bk - source to conf Wom-Penn Bk (GB109054049340)
2024 spills / hours
65 / 144
Long-term average
44.5 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 13 hours spilling →
Graiseley Brook 10 13 down 85% 99%
Bath Place CSO
Overflow on sewer network
Company site name
LEAMINGTON - LOWER AVENUE (CSO)
EA ID / permit
SVT00198 · EPRWP3926XH
Outlet location
SP3163765566 (OS grid reference) · View on Apple Maps
WFD catchment
Leam - conf R Itchen to conf R Avon (GB109054044140)
2024 spills / hours
29 / 56
Long-term average
18.3 spills a year (monitored since 2020)
Investigation
Env Act (SODRP) investigation ongoing, UWWTR investigation ongoing
Improvement
UWWTR improvement completed
Volume & pollution
Estimate from 13 hours spilling →
River Leam 12 13 down 59% 100%
Cheviot Rise CSO
Overflow on sewer network
Company site name
HEDNESFORD - CHEVIOT RISE (CSO)
EA ID / permit
SVT00536 · TSC1834
Outlet location
SK0007112004 (OS grid reference) · View on Apple Maps
WFD catchment
Saredon Brook from Source to River Penk (GB104028046740)
2024 spills / hours
13 / 13
Long-term average
11.2 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 13 hours spilling →
Ridings Brook 13 13 no change 100%
Cliff Closes Road CSO
Overflow on sewer network
Company site name
SCUNTHORPE - CLIFF CLOSES ROAD (CSO)
EA ID / permit
SVT01963 · EPRHB3991AZ
Outlet location
SE8680511428 (OS grid reference) · View on Apple Maps
WFD catchment
Humber estuary TRaC (GB530402609203)
2024 spills / hours
10 / 6.1
Long-term average
16.9 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 13 hours spilling →
Neap House Drain 41 13 up 310% 100%
Soudley - nr Tramway Road (SSO)
Storm discharge at pumping station
EA ID / permit
SVT02101 · Permit application submitted
Outlet location
SO6600010360 (OS grid reference) · View on Apple Maps
WFD catchment
Cinderford Bk - source to conf Blackpool Bk (GB109054032710)
2024 spills / hours
13 / 168
Long-term average
14.4 spills a year (monitored since 2019)
Investigation
UWWTR investigation completed
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 13 hours spilling →
Cinderford Brook 2 13 down 85% 100%
Handsworth - Piers Road CSO
Overflow on sewer network
Company site name
HANDSWORTH - PIERS ROAD (CSO)
EA ID / permit
SVT01044 · T/09/21294/O
Outlet location
SP0509089045 (OS grid reference) · View on Apple Maps
WFD catchment
Hockley Brook Catchment (trib of Rea) (GB104028042640)
2024 spills / hours
12 / 12
Long-term average
10.8 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 13 hours spilling →
Hockley Brook 10 13 down 17% 99%
Littlethorpe-Narborough Road (CSO)
Overflow on sewer network
EA ID / permit
SVT01384 · Permit application submitted
Outlet location
SP5439996136 (OS grid reference) · View on Apple Maps
WFD catchment
Soar from Thurlaston Brook to Sence (GB104028046880)
2024 spills / hours
24 / 143
Long-term average
10.8 spills a year (monitored since 2022)
Investigation
UWWTR investigation completed, Operational investigation completed
Improvement
Operational improvement completed
Volume & pollution
Estimate from 13 hours spilling →
Trib of River Soar 5 13 down 79% 98%
Settled SO at Former Wombourne STW
Storm discharge at pumping station
Company site name
WOMBOURNE (SPS) EX STW SSTO TPS (CSO)
EA ID / permit
SVT01978 · S/06/56197/R
Outlet location
SO8559091984 (OS grid reference) · View on Apple Maps
WFD catchment
Smestow Bk - Wom-Penn Bk to conf R Stour (GB109054044781)
2024 spills / hours
4 / 43
Long-term average
17.7 spills a year (monitored since 2020)
Investigation
UWWTR investigation completed, Operational investigation completed
Improvement
Operational improvement completed
Volume & pollution
Estimate from 13 hours spilling →
Smestow Brook 2 13 down 50% 99%
Bittell Road-Hewell Rd CSO
Overflow on sewer network
Company site name
BARNT GREEN - BITTELL RD/HEWELL RD (CSO)
EA ID / permit
SVT00279 · S/07/04176/O
Outlet location
SP0091474129 (OS grid reference) · View on Apple Maps
WFD catchment
Arrow - source to Spernall Hall Fm, Studley (GB109054043890)
2024 spills / hours
42 / 36
Long-term average
20.8 spills a year (monitored since 2021)
Investigation
UWWTR investigation ongoing, Operational investigation completed
Improvement
Operational improvement completed
Volume & pollution
Estimate from 13 hours spilling →
Tributary of River Arrow 23 13 down 45% 97%
Darley Abbey CSO
Overflow on sewer network
Company site name
DARLEY ABBEY - OLD LANE 9 (CSO)
EA ID / permit
SVT00730 · T/46/07193/O
Outlet location
SK3529738505 (OS grid reference) · View on Apple Maps
WFD catchment
Derwent from Bottle Brook to Trent (GB104028053240)
2024 spills / hours
8 / 3.3
Long-term average
8.9 spills a year (monitored since 2019)
Investigation
Operational investigation completed
Improvement
Operational improvement completed
Volume & pollution
Estimate from 13 hours spilling →
River Derwent 8 13 no change 100%
Highfields Pumping Station
Storm discharge at pumping station
Company site name
ALFRETON - HIGHFIELDS (SSO)
EA ID / permit
SVT01130 · T/41/22362/O
Outlet location
SK4048055020 (OS grid reference) · View on Apple Maps
WFD catchment
Amber from Alfreton Brook to Derwent (GB104028052330)
2024 spills / hours
6 / 4.0
Long-term average
6.0 spills a year (monitored since 2021)
Investigation
Env Act (SODRP) investigation ongoing, Operational investigation ongoing
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 13 hours spilling →
Trib of Alfreton Brook 6 13 no change 100%
Uttoxeter New Rd 2/Stafford St CSO
Overflow on sewer network
Company site name
DERBY - UTTOXETER NEW RD 2 (CSO)
EA ID / permit
SVT02376 · T/47/20999/O
Outlet location
SK3465936111 (OS grid reference) · View on Apple Maps
WFD catchment
Markeaton Brook from Mackworth Brook to Derwent (GB104028052830)
2024 spills / hours
18 / 15
Long-term average
16.0 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 12 hours spilling →
Markeaton Brook 21 12 up 17% 100%
West Bridgford - Greythorn Dr 100 (CSO)
Overflow on sewer network
EA ID / permit
SVT02505 · Permit application submitted
Outlet location
SK5745536045 (OS grid reference) · View on Apple Maps
WFD catchment
Trent from Soar to The Beck (GB104028053110)
2024 spills / hours
7 / 34
Long-term average
5.0 spills a year (monitored since 2022)
Investigation
No investigation activity in reporting period
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 12 hours spilling →
Tributary of the River Trent 6 12 down 14% 100%
Brinklow - Lutterworth Road SPS
Storm discharge at pumping station
Company site name
BRINKLOW - LUTTERWORTH ROAD (SSO)
EA ID / permit
SVT01444 · S/11/23198/O
Outlet location
SP4394780122 (OS grid reference) · View on Apple Maps
WFD catchment
Smite Bk - source to conf R Sowe (GB109054044630)
2024 spills / hours
1 / 8.8
Long-term average
0.6 spills a year (monitored since 2021)
Investigation
Operational investigation completed
Improvement
Operational improvement completed
Volume & pollution
Estimate from 12 hours spilling →
Tributary of River Smite 2 12 up 100% 100%
Debdale Lane Sewage Pumping Station
Storm discharge at pumping station
Company site name
KEYWORTH - DEBDALE LANE (SSO)
EA ID / permit
SVT00744 · T/62/45893/O
Outlet location
SK6082431486 (OS grid reference) · View on Apple Maps
WFD catchment
Fairham Brook Catchment (trib of Trent) (GB104028053150)
2024 spills / hours
8 / 26
Long-term average
9.7 spills a year (monitored since 2019)
Investigation
UWWTR investigation completed, Operational investigation completed
Improvement
Operational improvement completed
Volume & pollution
Estimate from 12 hours spilling →
Tributary of Fairham Brook 3 12 down 63% 100%
Cape Hill Combined Sewer Overflow
Storm discharge at pumping station
Company site name
SMETHWICK - CAPE HILL (CSO)
EA ID / permit
SVT00472 · T/09/35700/O
Outlet location
SP0355087762 (OS grid reference) · View on Apple Maps
WFD catchment
Hockley Brook Catchment (trib of Rea) (GB104028042640)
2024 spills / hours
14 / 5.2
Long-term average
18.9 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 12 hours spilling →
Hockley Brook 10 12 down 29% 98%
Bosworth Park SPS
Storm discharge at pumping station
Company site name
MARKET BOSWORTH - BOSWORTH PARK (SSO)
EA ID / permit
SVT01761 · T/20/03106/O
Outlet location
SK4169803445 (OS grid reference) · View on Apple Maps
WFD catchment
Carlton Brook from Source to River Sence (GB104028046690)
2024 spills / hours
10 / 19
Long-term average
4.8 spills a year (monitored since 2020)
Investigation
Operational investigation ongoing
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 12 hours spilling →
Tributary of River Sence 4 12 down 60% 99%
Tipton - Toll End (SSO)
Overflow on sewer network
EA ID / permit
SVT00281 · Unpermitted
Outlet location
SO9789093160 (OS grid reference) · View on Apple Maps
WFD catchment
Tame (Oldbury Arm) - source to conf R Tame (Wton Arm) (GB104028042601)
2024 spills / hours
6 / 11
Long-term average
3.8 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 12 hours spilling →
River Tame 3 12 down 50% 100%
Scalford Rd Combined Sewer Overflow
Overflow on sewer network
Company site name
MELTON MOWBRAY - SCALFORD ROAD (CSO)
EA ID / permit
SVT01539 · EPRHB3897NC
Outlet location
SK7440519255 (OS grid reference) · View on Apple Maps
WFD catchment
Eye / Wreake from Langham Brook to Soar (GB104028047550)
2024 spills / hours
15 / 18
Long-term average
20.4 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 12 hours spilling →
Trib of River Wreake 8 12 down 47% 100%
Sinfin - Wilmore Avenue CSO
Overflow on sewer network
Company site name
SINFIN - WILMORE ROAD (CSO)
EA ID / permit
SVT02054 · T/36/46026/O
Outlet location
SK3561431502 (OS grid reference) · View on Apple Maps
WFD catchment
Cuttle Brook Catchment (trib of Trent) (GB104028053130)
2024 spills / hours
0 / 0.0
Long-term average
1.6 spills a year (monitored since 2021)
Investigation
Env Act (SODRP) investigation ongoing
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 12 hours spilling →
Meadow Drain 2 12 up from 0 99%
Common Lane Combined Sewer Overflow
Overflow on sewer network
Company site name
SHELDON - COMMON LA/BICKLEY GROVE (CSO)
EA ID / permit
SVT00622 · T/12/36118/O
Outlet location
SP1498384423 (OS grid reference) · View on Apple Maps
WFD catchment
Hatchford-Kingshurst Brook from Source to R Cole (GB104028042490)
2024 spills / hours
6 / 3.5
Long-term average
22.1 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 12 hours spilling →
Westley Brook 8 12 up 33% 100%
Underdale Road CSO
Overflow on sewer network
Company site name
SHREWSBURY -UNDERDALE RD/ASHLEY ST (CSO)
EA ID / permit
SVT02364 · S/02/21020/O
Outlet location
SJ5027513115 (OS grid reference) · View on Apple Maps
WFD catchment
Severn - conf Bele Bk to conf Sundorne Bk (GB109054049142)
2024 spills / hours
5 / 6.3
Long-term average
6.4 spills a year (monitored since 2019)
Investigation
Operational investigation completed
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 12 hours spilling →
River Severn 9 12 up 80% 99%

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.