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
Stanley Common - Common Lane CSO
Overflow on sewer network
Company site name
STANLEY COMMON - COMMON LANE (CSO)
EA ID / permit
SVT02161 · T/61/45470/O
Outlet location
SK4171141665 (OS grid reference) · View on Apple Maps
WFD catchment
Nut Brook Catchment (trib of Erewash) (GB104028052520)
2024 spills / hours
11 / 6.9
Long-term average
8.8 spills a year (monitored since 2021)
Investigation
Operational investigation completed
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 9.5 hours spilling →
Tributary of Stalney Brook 15 9.5 up 36% 100%
Glenfield/Kirby Muxloe PS/Stm/SWS
Overflow on sewer network
Company site name
GLENFIELD -STAMFORD ST/CHESTNUT RD (CSO)
EA ID / permit
SVT00962 · EPRKB3595WN
Outlet location
SK5360006200 (OS grid reference) · View on Apple Maps
WFD catchment
Rothley Brook Catchment (trib of Soar) (GB104028046730)
2024 spills / hours
21 / 18
Long-term average
30.6 spills a year (monitored since 2019)
Investigation
UWWTR investigation ongoing, Operational investigation completed
Improvement
Operational improvement completed
Volume & pollution
Estimate from 9.5 hours spilling →
Glenfield/Braunstone/K/Mux Br 10 9.5 down 52% 100%
Gressel Ln/Eatesbrook Rd CSO
Overflow on sewer network
Company site name
KITTS GREEN - GRESSEL LANE (CSO)
EA ID / permit
SVT01013 · T/12/21309/O
Outlet location
SP1544587547 (OS grid reference) · View on Apple Maps
WFD catchment
Cole from Springfield to Hatchford-Kingshurst Brook (GB104028042502)
2024 spills / hours
17 / 22
Long-term average
12.9 spills a year (monitored since 2019)
Investigation
UWWTR investigation completed, Operational investigation ongoing
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 9.4 hours spilling →
River Cole 22 9.4 up 29% 97%
Walton Pumping Station
Storm discharge at pumping station
Company site name
WALTON-ON-TRENT - MAIN STREET SPS (CSO)
EA ID / permit
SVT02440 · T/24/35152/O
Outlet location
SK2140018880 (OS grid reference) · View on Apple Maps
WFD catchment
Trent - R Tame to R Dove (GB104028047180)
2024 spills / hours
11 / 12
Long-term average
39.9 spills a year (monitored since 2017)
Investigation
Env Act (SODRP) investigation ongoing, UWWTR investigation completed, Operational investigation completed
Improvement
Operational improvement completed
Volume & pollution
Estimate from 9.4 hours spilling →
River Trent 5 9.4 down 55% 100%
Wollaton Road CSO
Overflow on sewer network
Company site name
BEESTON - WOLLATON ROAD (CSO)
EA ID / permit
SVT02587 · T/62/22083/O
Outlet location
SK5462135556 (OS grid reference) · View on Apple Maps
WFD catchment
Trent from Soar to The Beck (GB104028053110)
2024 spills / hours
23 / 8.3
Long-term average
22.0 spills a year (monitored since 2020)
Investigation
UWWTR investigation ongoing, Operational investigation completed
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 9.4 hours spilling →
River Trent 23 9.4 no change 100%
Hoby - Brooksby SPS
Storm discharge at pumping station
Company site name
HOBY - BROOKSBY ROAD (SSO)
EA ID / permit
SVT01541 · T/55/02608/O
Outlet location
SK6680016800 (OS grid reference) · View on Apple Maps
WFD catchment
Eye / Wreake from Langham Brook to Soar (GB104028047550)
2024 spills / hours
18 / 132
Long-term average
21.2 spills a year (monitored since 2020)
Investigation
UWWTR investigation completed, Operational investigation completed
Improvement
Operational improvement completed
Volume & pollution
Estimate from 9.4 hours spilling →
River Wreake (Eye) Trib 3 9.4 down 83% 100%
Harwill Crescent CSO
Overflow on sewer network
Company site name
ASPLEY - HARWILL CRESCENT (CSO)
EA ID / permit
SVT01076 · T/64/21889/O
Outlet location
SK5517941666 (OS grid reference) · View on Apple Maps
WFD catchment
Leen from Day Brook to Trent (GB104028053250)
2024 spills / hours
31 / 17
Long-term average
45.1 spills a year (monitored since 2019)
Investigation
Env Act (SODRP) investigation ongoing, UWWTR investigation ongoing, Operational investigation completed
Improvement
Operational improvement completed
Volume & pollution
Estimate from 9.3 hours spilling →
River Leen 26 9.3 down 16% 100%
Station Road CSO
Overflow on sewer network
Company site name
BEESTON - STATION ROAD (CSO)
EA ID / permit
SVT00233 · T/64/40177/O
Outlet location
SK5462135556 (OS grid reference) · View on Apple Maps
WFD catchment
Trent from Soar to The Beck (GB104028053110)
2024 spills / hours
3 / 3.4
Long-term average
3.0 spills a year (monitored since 2020)
Investigation
No investigation activity in reporting period
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 9.3 hours spilling →
River Trent 3 9.3 no change 96%
Ocean Bridge CSO
Storm discharge at pumping station
Company site name
STONEHOUSE - OCEAN BRIDGE (CSO)
EA ID / permit
SVT01700 · S/22/26210/O
Outlet location
SO7969004979 (OS grid reference) · View on Apple Maps
WFD catchment
Frome - Ebley Mill to conf R Severn (GB109054032450)
2024 spills / hours
4 / 8.8
Long-term average
5.2 spills a year (monitored since 2020)
Investigation
No investigation activity in reporting period
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 9.3 hours spilling →
River Frome 4 9.3 no change 100%
Cleeve Mill Lane CSO
Overflow on sewer network
Company site name
NEWENT - CLEEVE MILL LANE (CSO)
EA ID / permit
SVT00577 · TSC517
Outlet location
SO7318426189 (OS grid reference) · View on Apple Maps
WFD catchment
Ell Bk - source to conf R Leadon (GB109054032520)
2024 spills / hours
12 / 14
Long-term average
15.4 spills a year (monitored since 2019)
Investigation
UWWTR investigation ongoing
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 9.3 hours spilling →
Ell Brook 7 9.3 down 42% 98%
Shirebrook Sewage Treatment Works
Inlet overflow at sewage works
Sewage works
Shirebrook
Company site name
SHIREBROOK (STW) 6DWF CSO
EA ID / permit
SVT02023 · T/71/45751/R
Outlet location
SK5345667291 (OS grid reference) · View on Apple Maps
WFD catchment
Sookholme Brook Catchment (trib of Meden) (GB104028058050)
2024 spills / hours
16 / 16
Long-term average
12.2 spills a year (monitored since 2021)
Investigation
UWWTR investigation ongoing, Operational investigation ongoing
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 9.2 hours spilling →
Shire Brook 8 9.2 down 50% 100%
Colebourne Road CSO
Overflow on sewer network
Company site name
BILLESLEY - DENE HOLLOW (CSO)
EA ID / permit
SVT00609 · T/12/36037/O
Outlet location
SP0972081020 (OS grid reference) · View on Apple Maps
WFD catchment
Cole from Source to Springfield (GB104028042501)
2024 spills / hours
24 / 13
Long-term average
21.3 spills a year (monitored since 2019)
Investigation
UWWTR investigation ongoing, Operational investigation ongoing
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 9.2 hours spilling →
The River Cole 15 9.2 down 38% 91%
Nethergreen (Nott) Storm O/F
Storm discharge at pumping station
Company site name
EASTWOOD - NETERGREEN/MANSFIELD RD (CSO)
EA ID / permit
SVT01613 · T/61/02331/O
Outlet location
SK4660047500 (OS grid reference) · View on Apple Maps
WFD catchment
Nethergreen Brook Catchment (trib of Erewash) (GB104028052620)
2024 spills / hours
7 / 16
Long-term average
6.7 spills a year (monitored since 2023)
Investigation
No investigation activity in reporting period
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 9.2 hours spilling →
Brinsley Brook 2 9.2 down 71% 97%
Elton Sewage Treatment Works
Inlet overflow at sewage works
Sewage works
Elton
Company site name
ELTON STW IPS (CSO&EO)
EA ID / permit
SVT00864 · T/65/45931/R
Outlet location
SK7686739223 (OS grid reference) · View on Apple Maps
WFD catchment
Devon from Source to Smite (GB104028052490)
2024 spills / hours
10 / 51
Long-term average
9.0 spills a year (monitored since 2021)
Investigation
Env Act (SODRP) investigation ongoing, UWWTR investigation ongoing
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 9.2 hours spilling →
Tributary of Winter Beck 2 9.2 down 80% 100%
Burbage - Lychgate Lane (2) (CSO)
Overflow on sewer network
EA ID / permit
SVT00411 · EPRJB3599AQ
Outlet location
SP4482192324 (OS grid reference) · View on Apple Maps
WFD catchment
Soar Brook from Source to Soar (GB104028042590)
2024 spills / hours
9 / 7.6
Long-term average
7.4 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 9.1 hours spilling →
River Cam 8 9.1 down 11% 100%
Beacon Hill Road CSO
Overflow on sewer network
Company site name
NEWARK - BEACON HILL ROAD (CSO)
EA ID / permit
SVT00211 · T/68/20850/O
Outlet location
SK8015455095 (OS grid reference) · View on Apple Maps
WFD catchment
Trent from Soar to The Beck (GB104028053110)
2024 spills / hours
25 / 54
Long-term average
24.1 spills a year (monitored since 2019)
Investigation
UWWTR investigation ongoing, Operational investigation completed
Improvement
Operational improvement completed
Volume & pollution
Estimate from 9.1 hours spilling →
River Trent 8 9.1 down 68% 98%
Birmingham Road CSO
Overflow on sewer network
Company site name
WALSALL - BIRMINGHAM ROAD (CSO)
EA ID / permit
SVT00274 · T/08/20376/O
Outlet location
SP0344896293 (OS grid reference) · View on Apple Maps
WFD catchment
Tame - conf two arms to R Rea (GB104028046842)
2024 spills / hours
24 / 13
Long-term average
35.7 spills a year (monitored since 2019)
Investigation
Env Act (SODRP) investigation ongoing, UWWTR investigation completed, Operational investigation completed
Improvement
Operational improvement completed
Volume & pollution
Estimate from 9.1 hours spilling →
Tributary of Full Brook 21 9.1 down 13% 99%
Allestree Sewage Pumping Station
Storm discharge at pumping station
Company site name
ALLESTREE - DUFFIELD ROAD (SSO)
EA ID / permit
SVT00057 · T/46/40237/O
Outlet location
SK3524840900 (OS grid reference) · View on Apple Maps
WFD catchment
Derwent from Amber to Bottle Brook (GB104028052310)
2024 spills / hours
19 / 53
Long-term average
18.3 spills a year (monitored since 2019)
Investigation
UWWTR investigation ongoing, Operational investigation completed
Improvement
Operational improvement completed
Volume & pollution
Estimate from 8.9 hours spilling →
Trib of River Derwent 3 8.9 down 84% 100%
Station Road CSO
Overflow on sewer network
Company site name
SALFORD PRIORS - STATION ROAD (CSO)
EA ID / permit
SVT01934 · S/17/21775/O
Outlet location
SP0769350907 (OS grid reference) · View on Apple Maps
WFD catchment
Avon- Tramway Br Stratford to Workman Br Evesham (GB109054044401)
2024 spills / hours
35 / 154
Long-term average
13.1 spills a year (monitored since 2019)
Investigation
UWWTR investigation completed, Operational investigation completed
Improvement
Operational improvement completed
Volume & pollution
Estimate from 8.9 hours spilling →
Tributary of Ban Brook 2 8.9 down 94% 97%
Cherry Orchard Pumping Station
Storm discharge at pumping station
Company site name
PERSHORE - CHERRY ORCHARD SPS (CSO)
EA ID / permit
SVT00530 · S/17/25685/O
Outlet location
SO9531046450 (OS grid reference) · View on Apple Maps
WFD catchment
Avon conf Workman Br, Evesham to conf R Severn (GB109054044403)
2024 spills / hours
1 / 4.3
Long-term average
16.0 spills a year (monitored since 2020)
Investigation
UWWTR investigation completed
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 8.8 hours spilling →
River Avon 2 8.8 up 100% 100%
Newstead Colliery Storm Overflow
Overflow on sewer network
Company site name
NEWSTEAD - STATION ROAD (CSO)
EA ID / permit
SVT01642 · T/63/22727/O
Outlet location
SK5238052550 (OS grid reference) · View on Apple Maps
WFD catchment
Leen from Source to Day Brook (GB104028052880)
2024 spills / hours
20 / 9.3
Long-term average
17.0 spills a year (monitored since 2024)
Investigation
UWWTR investigation ongoing
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 8.8 hours spilling →
Newstead Brook 14 8.8 down 30% 100%
Hamstead Pumping Station
Storm discharge at pumping station
Company site name
GREAT BARR - HAMSTEAD ROAD (SSO)
EA ID / permit
SVT01034 · T/08/02585/O
Outlet location
SP0479092750 (OS grid reference) · View on Apple Maps
WFD catchment
Tame - conf two arms to R Rea (GB104028046842)
2024 spills / hours
0 / 0.0
Long-term average
1.8 spills a year (monitored since 2020)
Investigation
Env Act (SODRP) investigation ongoing
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 8.7 hours spilling →
River Tame 1 8.7 up from 0 100%
Areas Milford & Belper/Sm & Em O/F
Storm discharge at pumping station
Company site name
MILFORD - SPORTS GROUND (SSO)
EA ID / permit
SVT00094 · T/42/03392/O
Outlet location
SK3520045300 (OS grid reference) · View on Apple Maps
WFD catchment
Derwent from Amber to Bottle Brook (GB104028052310)
2024 spills / hours
3 / 1.8
Long-term average
14.3 spills a year (monitored since 2020)
Investigation
UWWTR investigation ongoing
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 8.7 hours spilling →
River Derwent 8 8.7 up 167% 100%
Astwood Bank Sewage Treatment Works
Storm tank at sewage works
Sewage works
Astwood Bank
Company site name
ASTWOOD BANK STW (SSTO)
EA ID / permit
SVT00143 · S/19/26530/R
Outlet location
SP0352262064 (OS grid reference) · View on Apple Maps
WFD catchment
Bow Bk - source to Lett's Mill (GB109054043820)
2024 spills / hours
98 / 1,062
Long-term average
42.6 spills a year (monitored since 2021)
Investigation
UWWTR investigation ongoing, Operational investigation completed
Improvement
Operational improvement completed
Volume & pollution
Estimate from 8.7 hours spilling →
Tributary of Brandon Brook 5 8.7 down 95% 100%
Ivy House Road CSO
Overflow on sewer network
Company site name
HANLEY - LEEK RD/ IVY HOUSE RD (CSO)
EA ID / permit
SVT01224 · T/01/35968/O
Outlet location
SJ8940747014 (OS grid reference) · View on Apple Maps
WFD catchment
Trent - Ford Green Bk to Fowlea Bk (GB104028053301)
2024 spills / hours
8 / 5.9
Long-term average
33.3 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 8.6 hours spilling →
SWS to the River Trent 22 8.6 up 175% 100%
Stramshall Road CSO
Overflow on sewer network
Company site name
STRAMSHALL - ASBOURNE ROAD (CSO)
EA ID / permit
SVT02233 · T/31/08235/O
Outlet location
SK0840635687 (OS grid reference) · View on Apple Maps
WFD catchment
Dove - R Churnet to R Trent (GB104028052420)
2024 spills / hours
16 / 7.5
Long-term average
13.3 spills a year (monitored since 2020)
Investigation
UWWTR investigation ongoing, Operational investigation ongoing
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 8.6 hours spilling →
Tributary of River Tean 16 8.6 no change 100%
Darley Dale / Dale Road North CSO
Overflow on sewer network
Company site name
DARLEY DALE - DALE ROAD NORTH (CSO)
EA ID / permit
SVT00739 · T/40/45723/O
Outlet location
SK2769862656 (OS grid reference) · View on Apple Maps
WFD catchment
Derwent from Wye to Amber (GB104028052390)
2024 spills / hours
14 / 3.9
Long-term average
11.6 spills a year (monitored since 2017)
Investigation
UWWTR investigation completed, Operational investigation ongoing
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 8.6 hours spilling →
Warney Brook 14 8.6 no change 99%
Ranskill Sewage Treatment Works
Storm tank at sewage works
Sewage works
Ranskill
Company site name
RANSKILL STW (SSTO)
EA ID / permit
SVT01863 · T/77/45889/R
Outlet location
SK6666587885 (OS grid reference) · View on Apple Maps
WFD catchment
Ranskill Brook Catchment (trib of Idle) (GB104028058220)
2024 spills / hours
1 / 2.1
Long-term average
2.0 spills a year (monitored since 2021)
Investigation
Operational investigation ongoing
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 8.6 hours spilling →
Tributary of Ranskill Brook 3 8.6 up 200% 100%
Rear of 82 Melton Road CSO
Overflow on sewer network
Company site name
BARROW - BREACHFIELD ROAD (CSO)
EA ID / permit
SVT01872 · T/57/03655/O
Outlet location
SK5817517205 (OS grid reference) · View on Apple Maps
WFD catchment
Soar from Rothley Brook to Long Whatton Brook (GB104028047211)
2024 spills / hours
3 / 4.1
Long-term average
4.1 spills a year (monitored since 2019)
Investigation
Env Act (SODRP) investigation ongoing, Operational investigation completed
Improvement
Operational improvement completed
Volume & pollution
Estimate from 8.6 hours spilling →
Fishpool Brook (River Soar) 5 8.6 up 67% 100%
Greasley Road 2 CSO
Overflow on sewer network
Company site name
ABBEY HULTON - GREASLEY/CROXDEN RDs (CSO)
EA ID / permit
SVT00988 · T/01/35797/O
Outlet location
SJ9041048702 (OS grid reference) · View on Apple Maps
WFD catchment
Trent - Ford Green Bk to Fowlea Bk (GB104028053301)
2024 spills / hours
15 / 8.2
Long-term average
20.9 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 8.5 hours spilling →
Trib of River Trent 17 8.5 up 13% 100%
Greengate Lane Estate - Emeg O/F
Storm discharge at pumping station
Company site name
BIRSTALL - QUEENSGATE DRIVE (SSO)
EA ID / permit
SVT01008 · T/56/00953/O
Outlet location
SK5820010100 (OS grid reference) · View on Apple Maps
WFD catchment
Rothley Brook Catchment (trib of Soar) (GB104028046730)
2024 spills / hours
2 / 11
Long-term average
2.2 spills a year (monitored since 2020)
Investigation
No investigation activity in reporting period
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 8.5 hours spilling →
Rotheley Brook 2 8.5 no change 100%
Sutton Village - Sutton Lane STW
Storm tank at sewage works
Sewage works
Sutton Village Sutton Lane
Company site name
SUTTON VILLAGE STW IPS (CSO&EO)
EA ID / permit
SVT02252 · T/66/45287/R
Outlet location
SK7630737233 (OS grid reference) · View on Apple Maps
WFD catchment
The Grimmer from Source to Rundle Beck (GB104028053060)
2024 spills / hours
4 / 3.9
Long-term average
25.8 spills a year (monitored since 2021)
Investigation
UWWTR investigation ongoing
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 8.5 hours spilling →
Tributary of River Whipling 6 8.5 up 50% 99%
Regent Street CSO
Storm discharge at pumping station
Company site name
KIRKBY IN ASHFIELD - REGENT STREET (CSO)
EA ID / permit
SVT01292 · T/61/45563/O
Outlet location
SK4983655655 (OS grid reference) · View on Apple Maps
WFD catchment
Erewash from Source to Nethergreen Brook (GB104028052740)
2024 spills / hours
7 / 9.0
Long-term average
20.3 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 8.5 hours spilling →
River Erewash 5 8.5 down 29% 100%
Stretton - Derby Road (CSO)
Overflow on sewer network
EA ID / permit
SVT02237 · Permit application submitted
Outlet location
SK2626926727 (OS grid reference) · View on Apple Maps
WFD catchment
Dove - R Churnet to R Trent (GB104028052420)
2024 spills / hours
4 / 1.9
Long-term average
3.6 spills a year (monitored since 2021)
Investigation
No investigation activity in reporting period
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 8.5 hours spilling →
Nailsworth Stream 2 8.5 down 50% 100%
Oakamoor-Church Bank Terminal PS
Storm discharge at pumping station
Company site name
OAKAMOOR - CHURCH BANK (CSO)
EA ID / permit
SVT01698 · T/30/36218/O
Outlet location
SK0540044855 (OS grid reference) · View on Apple Maps
WFD catchment
Churnet from Consall to River Dove (GB104028052652)
2024 spills / hours
1 / 0.4
Long-term average
4.2 spills a year (monitored since 2021)
Investigation
Operational investigation completed
Improvement
Operational improvement completed
Volume & pollution
Estimate from 8.5 hours spilling →
River Churnet 13 8.5 up 1200% 100%
Blaby - Sycamore Street (CSO)
Overflow on sewer network
EA ID / permit
SVT02456 · EPRHB3993WE
Outlet location
SP5570097100 (OS grid reference) · View on Apple Maps
WFD catchment
Whetstone Brook Catchment (trib of River Soar) (GB104028046810)
2024 spills / hours
9 / 15
Long-term average
5.0 spills a year (monitored since 2019)
Investigation
No investigation activity in reporting period
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 8.5 hours spilling →
R Soar/Sence/Whetstone Brook 4 8.5 down 56% 95%
Leek Road / Botteslow Street CSO
Overflow on sewer network
Company site name
HANLEY - LEEK RD/BOTTESLOW STREET (CSO)
EA ID / permit
SVT01342 · T/01/35967/O
Outlet location
SJ8911046714 (OS grid reference) · View on Apple Maps
WFD catchment
Trent - Ford Green Bk to Fowlea Bk (GB104028053301)
2024 spills / hours
4 / 1.6
Long-term average
39.7 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 8.5 hours spilling →
SWS to the River Trent 20 8.5 up 400% 100%
Enderby - Blaby Road CSO
Overflow on sewer network
Company site name
ENDERBY - BLABY ROAD (ST JOHNS) (CSO)
EA ID / permit
SVT00865 · DT/8037
Outlet location
SP5505798480 (OS grid reference) · View on Apple Maps
WFD catchment
Soar from Thurlaston Brook to Sence (GB104028046880)
2024 spills / hours
5 / 5.7
Long-term average
5.3 spills a year (monitored since 2019)
Investigation
No investigation activity in reporting period
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 8.4 hours spilling →
River Soar 1 8.4 down 80% 100%
Gorge Road CSO
Overflow on sewer network
Company site name
SEDGLEY - GORGE ROAD (CSO)
EA ID / permit
SVT00974 · T/08/22103/O
Outlet location
SO9267893763 (OS grid reference) · View on Apple Maps
WFD catchment
Tame (Oldbury Arm) - source to conf R Tame (Wton Arm) (GB104028042601)
2024 spills / hours
2 / 1.1
Long-term average
3.7 spills a year (monitored since 2020)
Investigation
Env Act (SODRP) investigation ongoing
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 8.3 hours spilling →
Tributary of Swan Brook 5 8.3 up 150% 100%
Blackford CSO
Overflow on sewer network
Company site name
CANNOCK - CANNOCK ROAD/SANKEY ROAD 2 (CSO)
EA ID / permit
SVT00283 · Unpermitted
Outlet location
SJ9949710855 (OS grid reference) · View on Apple Maps
WFD catchment
Saredon Brook from Source to River Penk (GB104028046740)
2024 spills / hours
0 / 0.0
Long-term average
7.0 spills a year (monitored since 2022)
Investigation
Env Act (SODRP) investigation ongoing, Operational investigation completed
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 8.3 hours spilling →
Ridings Brook 20 8.3 up from 0 100%
Southam - Banbury Road CSO
Overflow on sewer network
Company site name
SOUTHAM - BANBURY ROAD (CSO)
EA ID / permit
SVT02116 · S/12/07887/O
Outlet location
SP4178661442 (OS grid reference) · View on Apple Maps
WFD catchment
Stowe - source to conf R Itchen (GB109054044090)
2024 spills / hours
19 / 23
Long-term average
12.0 spills a year (monitored since 2021)
Investigation
UWWTR investigation ongoing
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 8.3 hours spilling →
River Stowe 7 8.3 down 63% 100%
Bescot Cres/Brockhurst Crescent CSO
Overflow on sewer network
Company site name
WALSALL - BESCOT CRES (CSO)
EA ID / permit
SVT00259 · T/08/12317/O
Outlet location
SP0107096210 (OS grid reference) · View on Apple Maps
WFD catchment
Tame - conf two arms to R Rea (GB104028046842)
2024 spills / hours
10 / 17
Long-term average
11.1 spills a year (monitored since 2019)
Investigation
Env Act (SODRP) investigation ongoing, UWWTR investigation ongoing, Operational investigation completed
Improvement
Operational improvement completed
Volume & pollution
Estimate from 8.3 hours spilling →
Full Brook 7 8.3 down 30% 100%
The Navigation Inn CSO
Storm discharge at pumping station
Company site name
EVESHAM - WATERSIDE (CSO)
EA ID / permit
SVT02297 · S/17/23194/O
Outlet location
SP0352643153 (OS grid reference) · View on Apple Maps
WFD catchment
Avon conf Workman Br, Evesham to conf R Severn (GB109054044403)
2024 spills / hours
2 / 4.0
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 8.3 hours spilling →
River Avon 9 8.3 up 350% 100%
Hempsted - Sudmeadow Road (SSO)
Storm discharge at pumping station
EA ID / permit
SVT02245 · Permit application submitted
Outlet location
SO8213818230 (OS grid reference) · View on Apple Maps
WFD catchment
Severn River and Trib Estuary (GB530905415403)
2024 spills / hours
13 / 19
Long-term average
6.8 spills a year (monitored since 2021)
Investigation
No investigation activity in reporting period
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 8.2 hours spilling →
Burton Stather Drain 8 8.2 down 38% 100%
William Street CSO
Overflow on sewer network
Company site name
FENTON - WILLIAM STREET (CSO)
EA ID / permit
SVT02564 · T/01/35844/O
Outlet location
SJ8898944917 (OS grid reference) · View on Apple Maps
WFD catchment
Trent from Fowlea Brook to Tittensor (GB104028053271)
2024 spills / hours
6 / 11
Long-term average
5.7 spills a year (monitored since 2019)
Investigation
Env Act (SODRP) investigation ongoing
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 8.2 hours spilling →
River Trent 11 8.2 up 83% 100%
Wide Street CSO
Overflow on sewer network
Company site name
HATHERN - WIDE STREET (CSO)
EA ID / permit
SVT02551 · T/57/07603/O
Outlet location
SK5056922043 (OS grid reference) · View on Apple Maps
WFD catchment
Soar from Rothley Brook to Long Whatton Brook (GB104028047211)
2024 spills / hours
26 / 41
Long-term average
39.3 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 8.2 hours spilling →
Trib of River Soar 11 8.2 down 58% 100%
Smithfield Rd Storm O/F
Overflow on sewer network
Company site name
SHREWSBURY -SMITHFIELD RD/ROUSHILL (CSO)
EA ID / permit
SVT02073 · S/02/21024/O
Outlet location
SJ4910812813 (OS grid reference) · View on Apple Maps
WFD catchment
Severn - conf Bele Bk to conf Sundorne Bk (GB109054049142)
Bathing water
River Severn in Shrewsbury
2024 spills / hours
11 / 24
Long-term average
27.5 spills a year (monitored since 2020)
Investigation
Env Act (SODRP) investigation ongoing, UWWTR investigation ongoing, Operational investigation completed
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 8.1 hours spilling →
River Severn 16 8.1 up 45% 100%
Heather Pumping Station
Storm discharge at pumping station
Company site name
HEATHER (CSO)
EA ID / permit
SVT01108 · T/20/30312/O
Outlet location
SK3915010240 (OS grid reference) · View on Apple Maps
WFD catchment
Sence from Source to Ibstock Brook (GB104028046750)
2024 spills / hours
6 / 27
Long-term average
3.0 spills a year (monitored since 2021)
Investigation
Env Act (SODRP) investigation ongoing, Operational investigation completed
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 8.1 hours spilling →
River Sence 2 8.1 down 67% 100%
Maun Valley Sewage Pumping Station
Storm discharge at pumping station
Company site name
MANSFIELD - MAUN VALLEY PS (ESO)
EA ID / permit
SVT01519 · Unpermitted
Outlet location
SK5602263635 (OS grid reference) · View on Apple Maps
WFD catchment
Maun from Source to Vicar Water (GB104028052960)
2024 spills / hours
5 / 4.7
Long-term average
5.0 spills a year (monitored since 2023)
Investigation
Env Act (SODRP) investigation ongoing, Operational investigation ongoing
Improvement
UWWTR improvement completed
Volume & pollution
Estimate from 8.0 hours spilling →
River Maun 7 8.0 up 40% 100%
Durham Avenue/Suffolk Avenue CSO
Overflow on sewer network
Company site name
CHADDESDEN - DURHAM AVE/SUFFOLK AV (CSO)
EA ID / permit
SVT00809 · T/48/22377/O
Outlet location
SK3798336328 (OS grid reference) · View on Apple Maps
WFD catchment
Chaddesden Brook Catchment (trib of Derwent) (GB104028052430)
2024 spills / hours
5 / 3.6
Long-term average
20.3 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 8.0 hours spilling →
Chaddesden Brook 22 8.0 up 340% 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.