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
Trescott Sewage Treatment Works
Storm tank at sewage works
Sewage works
Trescott
Company site name
TRESCOTT STW (SSTO)
EA ID / permit
SVT02345 · S/06/55363/R
Outlet location
SO8550797623 (OS grid reference) · View on Apple Maps
WFD catchment
Smestow Bk - source to conf Wom-Penn Bk (GB109054049340)
2024 spills / hours
30 / 232
Long-term average
16.6 spills a year (monitored since 2021)
Investigation
Env Act (SODRP) investigation ongoing, UWWTR investigation completed, Operational investigation completed
Improvement
Operational improvement ongoing
Volume & pollution
Estimate from 82 hours spilling →
Smestow Brook 14 82 down 53% 100%
Ironville - Victoria Street SPS
Storm discharge at pumping station
Company site name
IRONVILLE - VICTORIA ST (CSO)
EA ID / permit
SVT01221 · T/61/08887/O
Outlet location
SK4401151990 (OS grid reference) · View on Apple Maps
WFD catchment
Erewash from Source to Nethergreen Brook (GB104028052740)
2024 spills / hours
27 / 118
Long-term average
34.8 spills a year (monitored since 2021)
Investigation
Env Act (SODRP) investigation ongoing, UWWTR investigation ongoing, Operational investigation completed
Improvement
Operational improvement ongoing
Volume & pollution
Estimate from 81 hours spilling →
River Erewash 25 81 down 7% 99%
Twyford - Main Road (CSO)
Storm discharge at pumping station
EA ID / permit
SVT02360 · Permit application submitted
Outlet location
SK7288110200 (OS grid reference) · View on Apple Maps
WFD catchment
Queniborough Brook Catchment (trib of Wreake) (GB104028047450)
2024 spills / hours
36 / 274
Long-term average
27.0 spills a year (monitored since 2023)
Investigation
UWWTR investigation ongoing, Operational investigation completed
Improvement
Operational improvement completed
Volume & pollution
Estimate from 81 hours spilling →
Gaddesby Brook 15 81 down 58% 100%
St. Annes Close CSO
Overflow on sewer network
Company site name
DERBY - ST ANNES CLOSE (CSO)
EA ID / permit
SVT02151 · T/47/00978/O
Outlet location
SK3426736833 (OS grid reference) · View on Apple Maps
WFD catchment
Markeaton Brook from Mackworth Brook to Derwent (GB104028052830)
2024 spills / hours
24 / 54
Long-term average
21.1 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 81 hours spilling →
Markeaton Brook 25 81 up 4% 94%
Storm O/F Adj to Grove Pumping Stn
Storm discharge at pumping station
Company site name
MINSTERLEY - THE GROVE (CSO)
EA ID / permit
SVT02219 · S/02/50017/O
Outlet location
SJ3757005500 (OS grid reference) · View on Apple Maps
WFD catchment
Rea Bk - conf Rowley Bk to conf Minsterley Bk (GB109054049540)
2024 spills / hours
36 / 317
Long-term average
24.8 spills a year (monitored since 2021)
Investigation
UWWTR investigation completed, Operational investigation completed
Improvement
Operational improvement completed
Volume & pollution
Estimate from 81 hours spilling →
Trib of Rea Brook 14 81 down 61% 99%
Sewage Pumping Station at Hope
Storm discharge at pumping station
Company site name
HOPE (CSO)
EA ID / permit
SVT01981 · T/38/45982/O
Outlet location
SK1756083180 (OS grid reference) · View on Apple Maps
WFD catchment
Noe from Peakshole Water to Derwent (GB104028057850)
2024 spills / hours
7 / 86
Long-term average
9.6 spills a year (monitored since 2021)
Investigation
UWWTR investigation completed, Operational investigation completed
Improvement
Operational improvement completed
Volume & pollution
Estimate from 81 hours spilling →
River Noe 8 81 up 14% 96%
Burntwood Sewage Treatment Works
Storm tank at sewage works
Sewage works
Burntwood
Company site name
BURNTWOOD STW (SSTO)
EA ID / permit
SVT00422 · T/17/35855/R
Outlet location
SK0801907837 (OS grid reference) · View on Apple Maps
WFD catchment
Crane Brook - source to FootherleyBrook (GB104028046480)
2024 spills / hours
41 / 334
Long-term average
30.8 spills a year (monitored since 2021)
Investigation
UWWTR investigation completed, Operational investigation ongoing
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 81 hours spilling →
Tributary of Crane Brook 12 81 down 71% 98%
Sewage Pumping Station
Storm tank at sewage works
Sewage works
Sewage Pumping Station
Company site name
MANSFIELD - BATH LANE IPS (CSO)
EA ID / permit
SVT01980 · T/70/45038/O
Outlet location
SK5476061740 (OS grid reference) · View on Apple Maps
WFD catchment
Maun from Source to Vicar Water (GB104028052960)
2024 spills / hours
53 / 301
Long-term average
49.8 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 81 hours spilling →
River Maun 24 81 down 55% 100%
Whitwell Sewage Treatment Works
Inlet overflow at sewage works
Sewage works
Whitwell
Company site name
WHITWELL STW (CSO)
EA ID / permit
SVT02549 · T/73/46317/R
Outlet location
SK5387875685 (OS grid reference) · View on Apple Maps
WFD catchment
Millwood Brook Catchment (trib of Poulter) (GB104028058150)
2024 spills / hours
17 / 171
Long-term average
16.4 spills a year (monitored since 2021)
Investigation
UWWTR investigation completed, Operational investigation ongoing
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 81 hours spilling →
Tributary of Millwood Brook 9 81 down 47% 96%
Brompton - Cross Houses STW
Storm tank at sewage works
Sewage works
Brompton Cross Houses
Company site name
BROMPTON - CROSS HOUSES STW (SSTO)
EA ID / permit
SVT00688 · S/02/55905/R
Outlet location
SJ5472008160 (OS grid reference) · View on Apple Maps
WFD catchment
Severn - Sundorne Bk to conf M Wenlock-Farley Bk (GB109054049141)
2024 spills / hours
1 / 0.3
Long-term average
3.3 spills a year (monitored since 2020)
Investigation
Env Act (SODRP) investigation ongoing, Operational investigation completed
Improvement
Operational improvement completed
Volume & pollution
Estimate from 80 hours spilling →
Trib of River Severn 15 80 up 1400% 100%
Newton Regis SPS (CSO)
Storm discharge at pumping station
Company site name
NEWTON REGIS PS (CSO)
EA ID / permit
SVT01648 · T/21/00159/O
Outlet location
SK2780007100 (OS grid reference) · View on Apple Maps
WFD catchment
Anker from River Sence to River Tame (GB104028046460)
2024 spills / hours
44 / 188
Long-term average
43.1 spills a year (monitored since 2019)
Investigation
UWWTR investigation completed, Operational investigation ongoing
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 80 hours spilling →
Newton Regis Brook 27 80 down 39% 100%
Blackwell - Gloves Lane Terminal PS
Storm discharge at pumping station
Company site name
BLACKWELL - GLOVES LANE (SSO)
EA ID / permit
SVT00288 · T/41/09272/O
Outlet location
SK4295258635 (OS grid reference) · View on Apple Maps
WFD catchment
Westwood Brook Catchment (trib of Alfreton Brook) (GB104028052360)
2024 spills / hours
16 / 53
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 80 hours spilling →
Tributary of Morton Brook 11 80 down 31% 98%
Bucknell Terminal Pumping Station
Storm discharge at pumping station
Company site name
BUCKNELL (SSO)
EA ID / permit
SVT00400 · S/09/50094/O
Outlet location
SO3586573866 (OS grid reference) · View on Apple Maps
WFD catchment
Redlake - source to conf R Clun (GB109054043950)
2024 spills / hours
29 / 453
Long-term average
20.6 spills a year (monitored since 2021)
Investigation
UWWTR investigation ongoing, Operational investigation completed
Improvement
Operational improvement completed
Volume & pollution
Estimate from 80 hours spilling →
River Redlake 9 80 down 69% 93%
Somerby STW
Inlet overflow at sewage works (with treatment)
Sewage works
Somerby
Company site name
SOMERBY STW (CSO)
EA ID / permit
SVT02094 · T/54/45992/R
Outlet location
SK7787010840 (OS grid reference) · View on Apple Maps
WFD catchment
Somerby Brook Catchment (trib of Langham Brook) (GB104028047470)
Treatment
Reed bed
2024 spills / hours
58 / 215
Long-term average
64.6 spills a year (monitored since 2021)
Investigation
UWWTR investigation ongoing, Operational investigation completed
Improvement
Operational improvement completed
Volume & pollution
Estimate from 80 hours spilling →
Somerby Brook 25 80 down 57% 100%
Tean Road WTW CSO
Overflow on sewer network
Company site name
CHEADLE - TEAN ROAD (CSO)
EA ID / permit
SVT02274 · T/32/30318/O
Outlet location
SK0108042110 (OS grid reference) · View on Apple Maps
WFD catchment
Mobberley Bk (GB104028053100)
2024 spills / hours
39 / 28
Long-term average
28.6 spills a year (monitored since 2019)
High-spill reason (company)
Performance - SW Infiltration
Investigation
Env Act (SODRP) investigation ongoing, UWWTR investigation completed, Operational investigation completed
Improvement
Operational improvement completed
Volume & pollution
Estimate from 79 hours spilling →
Cecilly Brook 43 79 up 10% 100%
Park Road Combined Sewer Overflow
Overflow on sewer network
Company site name
LOUGHBOROUGH - PARK ROAD (CSO)
EA ID / permit
SVT01762 · T/57/00418/O
Outlet location
SK5406718693 (OS grid reference) · View on Apple Maps
WFD catchment
Soar from Rothley Brook to Long Whatton Brook (GB104028047211)
2024 spills / hours
25 / 149
Long-term average
41.4 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 79 hours spilling →
Grammar School Brook 15 79 down 40% 100%
Bilsthorpe Sewage Treatment Works
Storm tank at sewage works
Sewage works
Bilsthorpe
Company site name
BILSTHORPE STW (SSTO)
EA ID / permit
SVT00266 · T/70/45934/R
Outlet location
SK6410961402 (OS grid reference) · View on Apple Maps
WFD catchment
Rainworth Water from Source to Gallow Hole Dyke (GB104028052940)
2024 spills / hours
22 / 174
Long-term average
19.6 spills a year (monitored since 2021)
Investigation
UWWTR investigation ongoing, Operational investigation completed
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 78 hours spilling →
Rainworth Water 15 78 down 32% 100%
Uttoxeter Sewage Treatment Works
Storm tank at sewage works
Sewage works
Uttoxeter
Company site name
UTTOXETER (STW)
EA ID / permit
SVT02380 · T/33/36107/R
Outlet location
SK1061634382 (OS grid reference) · View on Apple Maps
WFD catchment
Dove - R Churnet to R Trent (GB104028052420)
2024 spills / hours
34 / 289
Long-term average
33.3 spills a year (monitored since 2020)
Investigation
UWWTR investigation completed, Operational investigation completed
Improvement
Operational improvement completed
Volume & pollution
Estimate from 78 hours spilling →
River Dove 14 78 down 59% 100%
Great Glen - the Nook TPS
Storm discharge at pumping station
Company site name
GREAT GLEN - THE NOOK PS (CSO)
EA ID / permit
SVT00995 · T/51/01368/O
Outlet location
SP6539497472 (OS grid reference) · View on Apple Maps
WFD catchment
Sence from Source to Burton Brook (GB104028046650)
2024 spills / hours
30 / 298
Long-term average
14.3 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 78 hours spilling →
River Sence (Soar Trib) 8 78 down 73% 100%
Grove Sewage Treatment Works
Inlet overflow at sewage works
Sewage works
Grove
Company site name
GROVE STW (CSO)
EA ID / permit
SVT01018 · T/74/45346/R
Outlet location
SK7323478589 (OS grid reference) · View on Apple Maps
WFD catchment
Tuxford Beck Catchment (trib of North Beck) (GB104028058320)
2024 spills / hours
40 / 248
Long-term average
38.6 spills a year (monitored since 2021)
Investigation
UWWTR investigation completed, Operational investigation completed
Improvement
Operational improvement completed
Volume & pollution
Estimate from 78 hours spilling →
Tributary of North Beck 26 78 down 35% 99%
Areas Milford & Belper/Sm & Em O/F
Storm discharge at pumping station
Company site name
BELPER - BABBINGTON HOSPITAL (SSO)
EA ID / permit
SVT00097 · T/42/03392/O
Outlet location
SK3480045900 (OS grid reference) · View on Apple Maps
WFD catchment
Derwent from Amber to Bottle Brook (GB104028052310)
2024 spills / hours
63 / 380
Long-term average
42.8 spills a year (monitored since 2020)
High-spill reason (company)
Not asset maintenance - Hydraulic capacity
Investigation
UWWTR investigation completed, Operational investigation ongoing
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 77 hours spilling →
River Derwent 32 77 down 49% 100%
Bromsgrove (Fringe Green) STW
Storm tank at sewage works
Sewage works
Bromsgrove
Company site name
BROMSGROVE STW (SSTO)
EA ID / permit
SVT00375 · S/07/56027/R
Outlet location
SO9590068350 (OS grid reference) · View on Apple Maps
WFD catchment
Salwarpe - source to conf Elmbridge Bk (GB109054044200)
2024 spills / hours
32 / 57
Long-term average
32.2 spills a year (monitored since 2021)
Investigation
UWWTR investigation completed, Operational investigation completed
Improvement
UWWTR improvement ongoing, Operational improvement completed
Volume & pollution
Estimate from 77 hours spilling →
Tributary of River Salwarpe 11 77 down 66% 100%
Hatton Sewage Pumping Station
Storm discharge at pumping station
Company site name
HATTON - CHURCH AVENUE (CSO)
EA ID / permit
SVT01087 · T/33/36343/O
Outlet location
SK2189029930 (OS grid reference) · View on Apple Maps
WFD catchment
Dove - R Churnet to R Trent (GB104028052420)
2024 spills / hours
30 / 389
Long-term average
23.0 spills a year (monitored since 2019)
Investigation
UWWTR investigation ongoing, Operational investigation completed
Improvement
Operational improvement completed
Volume & pollution
Estimate from 77 hours spilling →
Tributary of Hilton Brook 11 77 down 63% 100%
Fairwater Crescent SPS
Storm discharge at pumping station
Company site name
ALCESTER - FAIRWATER CRESCENT PS (CSO)
EA ID / permit
SVT00883 · Permit application submitted
Outlet location
SP0965357534 (OS grid reference) · View on Apple Maps
WFD catchment
Alne - conf Claverdon Bk to conf R Arrow (GB109054043720)
2024 spills / hours
19 / 154
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 77 hours spilling →
River Alne 8 77 down 58% 100%
Loughborough - Gotham Road (CSO)
Overflow on sewer network
EA ID / permit
SVT00824 · Unpermitted
Outlet location
SK5558926457 (OS grid reference) · View on Apple Maps
WFD catchment
Kingston Brook Catchment (Trib of Soar) (GB104028046600)
2024 spills / hours
37 / 279
Long-term average
23.2 spills a year (monitored since 2021)
Investigation
UWWTR investigation completed, Operational investigation completed
Improvement
Operational improvement completed
Volume & pollution
Estimate from 76 hours spilling →
Kingston Brook 16 76 down 57% 100%
Burton on the Wolds STW - Emer O/F
Storm tank at sewage works
Sewage works
Burton On The Wolds Emer O F
Company site name
BURTON ON THE WOLDS (IPS)
EA ID / permit
SVT00429 · T/57/03391/O
Outlet location
SK5910020300 (OS grid reference) · View on Apple Maps
WFD catchment
Walton Brook Catchment (trib of Soar) (GB104028047110)
2024 spills / hours
16 / 109
Long-term average
27.5 spills a year (monitored since 2020)
Investigation
UWWTR investigation completed, Operational investigation ongoing
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 76 hours spilling →
Prestwold Hall Brook 12 76 down 25% 100%
Kings Norton - Rear 24 Ebury Rd CSO
Overflow on sewer network
Company site name
KINGS NORTON - REAR 24 EBURY RD (CSO)
EA ID / permit
SVT01276 · T/09/36083/O
Outlet location
SP0566979734 (OS grid reference) · View on Apple Maps
WFD catchment
Rea source to Bourn Brook (GB104028042510)
2024 spills / hours
53 / 129
Long-term average
44.6 spills a year (monitored since 2021)
High-spill reason (company)
Performance - SW Infiltration
Investigation
Env Act (SODRP) investigation ongoing, UWWTR investigation completed, Operational investigation completed
Improvement
Operational improvement completed
Volume & pollution
Estimate from 75 hours spilling →
River Rea 36 75 down 32% 100%
Steadfolds Lane CSO
Overflow on sewer network
Company site name
THURCROFT - STEADFOLDS LANE (CSO)
EA ID / permit
SVT02192 · T/76/45854/O
Outlet location
SK5069488978 (OS grid reference) · View on Apple Maps
WFD catchment
Oldcotes Dyke Catchment (trib of Ryton) (GB104028058230)
2024 spills / hours
49 / 170
Long-term average
22.5 spills a year (monitored since 2020)
Investigation
UWWTR investigation completed, Operational investigation completed
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 75 hours spilling →
Brookhouse Dyke 23 75 down 53% 100%
North Kilworth - Cranmer Lane (SSO)
Storm discharge at pumping station
EA ID / permit
SVT00673 · Permit application submitted
Outlet location
SP6205083073 (OS grid reference) · View on Apple Maps
WFD catchment
Avon (Warks) - source to Claycoton-Yelvertoft Bk (GB109054043930)
2024 spills / hours
48 / 174
Long-term average
38.6 spills a year (monitored since 2021)
Investigation
UWWTR investigation ongoing, Operational investigation completed
Improvement
Operational improvement completed
Volume & pollution
Estimate from 75 hours spilling →
Shire Brook 23 75 down 52% 100%
Shenstone Sewage Treatment Works
Storm tank at sewage works
Sewage works
Shenstone
Company site name
SHENSTONE STW (SSTO)
EA ID / permit
SVT02002 · T/17/35749/R
Outlet location
SK1203504343 (OS grid reference) · View on Apple Maps
WFD catchment
Black-Bourne Bk from source (confluence) to R Tame (GB104028047000)
2024 spills / hours
68 / 513
Long-term average
34.5 spills a year (monitored since 2020)
Investigation
Env Act (SODRP) investigation ongoing, UWWTR investigation completed, Operational investigation completed
Improvement
UWWTR improvement ongoing, Operational improvement completed
Volume & pollution
Estimate from 75 hours spilling →
Bourne Brook 13 75 down 81% 100%
Broadwell - Broadwell House SPS
Storm discharge at pumping station
Company site name
BROADWELL - BROADWELL HOUSE SPS (CSO)
EA ID / permit
SVT00370 · S/12/07849/O
Outlet location
SP4556465802 (OS grid reference) · View on Apple Maps
WFD catchment
Leam - conf Rains Bk to conf R Itchen (GB109054044130)
2024 spills / hours
18 / 148
Long-term average
7.2 spills a year (monitored since 2021)
Investigation
Operational investigation completed
Improvement
Operational improvement completed
Volume & pollution
Estimate from 74 hours spilling →
Millholme Brook 7 74 down 61% 100%
Westfield Avenue CSO
Storm discharge at pumping station
Company site name
COUNTESTHORPE - WESTFIELD AVENUE (CSO)
EA ID / permit
SVT02517 · T/51/40060/O
Outlet location
SP5760395814 (OS grid reference) · View on Apple Maps
WFD catchment
Sence from Countesthorpe Brook to Soar (GB104028046870)
2024 spills / hours
13 / 62
Long-term average
10.3 spills a year (monitored since 2019)
Investigation
Operational investigation ongoing
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 74 hours spilling →
Trib of River Sence 11 74 down 15% 100%
Chester Road (Cradley Road 2) CSO
Overflow on sewer network
Company site name
CRADLEY HEATH - CRADLEY/CHESTER RD (CSO)
EA ID / permit
SVT00533 · S/06/21066/O
Outlet location
SO9425485430 (OS grid reference) · View on Apple Maps
WFD catchment
Stour (Worcs) source to conf Smestow Bk (GB109054044750)
2024 spills / hours
43 / 77
Long-term average
38.8 spills a year (monitored since 2020)
High-spill reason (company)
Not asset maintenance - Hydraulic capacity
Investigation
UWWTR investigation ongoing, Operational investigation completed
Improvement
Operational improvement completed
Volume & pollution
Estimate from 74 hours spilling →
River Stour 31 74 down 28% 92%
Jct. Hylton Road/Henwick Road CSO
Overflow on sewer network
Company site name
WORCESTER - HYLTON ROAD/HENWICK RD (CSO)
EA ID / permit
SVT01230 · S/08/50127/O
Outlet location
SO8395755636 (OS grid reference) · View on Apple Maps
WFD catchment
Severn - conf R Stour to conf RIver Teme (GB109054049144)
2024 spills / hours
61 / 124
Long-term average
85.3 spills a year (monitored since 2019)
High-spill reason (company)
Not asset maintenance - Hydraulic capacity
Investigation
UWWTR investigation ongoing, Operational investigation completed
Improvement
Operational improvement completed
Volume & pollution
Estimate from 74 hours spilling →
River Severn 46 74 down 25% 100%
Sarehole Road 323 CSO
Overflow on sewer network
Company site name
HALL GREEN - SAREHOLE ROAD 323 (CSO)
EA ID / permit
SVT01946 · T/12/36045/O
Outlet location
SP0995581535 (OS grid reference) · View on Apple Maps
WFD catchment
Cole from Source to Springfield (GB104028042501)
2024 spills / hours
74 / 178
Long-term average
64.2 spills a year (monitored since 2020)
High-spill reason (company)
Not asset maintenance - Hydraulic capacity
Investigation
Env Act (SODRP) investigation ongoing, UWWTR investigation completed, Operational investigation completed
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 74 hours spilling →
River Cole 60 74 down 19% 100%
Oldcotes - Blyth Road (SSO)
Storm discharge at pumping station
EA ID / permit
SVT00300 · Permit application submitted
Outlet location
SK5935888432 (OS grid reference) · View on Apple Maps
WFD catchment
Oldcotes Dyke Catchment (trib of Ryton) (GB104028058230)
2024 spills / hours
23 / 230
Long-term average
17.6 spills a year (monitored since 2021)
Investigation
UWWTR investigation completed, Operational investigation completed
Improvement
Operational improvement completed
Volume & pollution
Estimate from 74 hours spilling →
Tributary of Radford Brook 8 74 down 65% 100%
Witton Road Combined Sewer Overflow
Overflow on sewer network
Company site name
WITTON - ASTON LANE (CSO)
EA ID / permit
SVT02583 · DT/9760
Outlet location
SP0801090550 (OS grid reference) · View on Apple Maps
WFD catchment
Tame - conf two arms to R Rea (GB104028046842)
2024 spills / hours
32 / 59
Long-term average
42.0 spills a year (monitored since 2021)
High-spill reason (company)
Not asset maintenance - Hydraulic capacity
Investigation
Env Act (SODRP) investigation ongoing, UWWTR investigation completed, Operational investigation completed
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 74 hours spilling →
River Rea 60 74 up 88% 100%
Shirebrook Sewage Treatment Works
Storm tank at sewage works
Sewage works
Shirebrook
Company site name
SHIREBROOK (STW) 3DWF CSO
EA ID / permit
SVT02022 · 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
19 / 81
Long-term average
12.8 spills a year (monitored since 2021)
Investigation
UWWTR investigation completed, Operational investigation completed
Improvement
Operational improvement completed
Volume & pollution
Estimate from 74 hours spilling →
Shire Brook 13 74 down 32% 100%
Whittington - Babbinswood TPS
Storm discharge at pumping station
Company site name
WHITTINGTON - BABBINSWOOD (CSO)
EA ID / permit
SVT02544 · S/03/05852/O
Outlet location
SJ3300130720 (OS grid reference) · View on Apple Maps
WFD catchment
Common Bk - source to conf R Perry (GB109054054960)
2024 spills / hours
29 / 442
Long-term average
24.8 spills a year (monitored since 2021)
Investigation
UWWTR investigation completed, Operational investigation completed
Improvement
Operational improvement completed
Volume & pollution
Estimate from 73 hours spilling →
Common Brook 7 73 down 76% 100%
East of Stratford Street CSO
Overflow on sewer network
Company site name
ILKESTON - BENNERLEY FIELDS (CSO)
EA ID / permit
SVT00830 · T/61/02840/O
Outlet location
SK4702244034 (OS grid reference) · View on Apple Maps
WFD catchment
Erewash from Gilt Brook to Trent (GB104028052480)
2024 spills / hours
33 / 69
Long-term average
49.7 spills a year (monitored since 2019)
High-spill reason (company)
Not asset maintenance - Hydraulic capacity
Investigation
Env Act (SODRP) investigation ongoing, UWWTR investigation ongoing, Operational investigation completed
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 73 hours spilling →
River Erewash 39 73 up 18% 96%
Vicary Lane CSO
Overflow on sewer network
Company site name
WOODHOUSE - VICARY LANE (CSO)
EA ID / permit
SVT02412 · T/57/45737/O
Outlet location
SK5426414901 (OS grid reference) · View on Apple Maps
WFD catchment
Quorn Brook Catchment (trib of Soar) (GB104028047060)
2024 spills / hours
50 / 107
Long-term average
41.3 spills a year (monitored since 2019)
High-spill reason (company)
Performance - Asset configuration (e.g. PS/rising main/storm tanks)
Investigation
UWWTR investigation completed, Operational investigation ongoing
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 73 hours spilling →
Tributary of River Soar 34 73 down 32% 100%
Queen Street CSO
Overflow on sewer network
Company site name
CHEADLE - QUEEN STREET/OAKAMOOR RD (CSO)
EA ID / permit
SVT01842 · T/32/22503/O
Outlet location
SK0139543565 (OS grid reference) · View on Apple Maps
WFD catchment
Mobberley Bk (GB104028053100)
2024 spills / hours
62 / 129
Long-term average
60.3 spills a year (monitored since 2019)
High-spill reason (company)
Not asset maintenance - Hydraulic capacity
Investigation
Env Act (SODRP) investigation ongoing, UWWTR investigation ongoing, Operational investigation completed
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 73 hours spilling →
Cecilly Brook 49 73 down 21% 99%
Newton Harcourt Pumping Station
Storm discharge at pumping station
Company site name
WISTOW - NEWTON HARCOURT SPS (CSO)
EA ID / permit
SVT01647 · T/51/40031/O
Outlet location
SP6317097090 (OS grid reference) · View on Apple Maps
WFD catchment
Sence from Burton Brook to Countesthorpe Brook (GB104028046620)
2024 spills / hours
67 / 719
Long-term average
55.0 spills a year (monitored since 2023)
Investigation
Env Act (SODRP) investigation ongoing, UWWTR investigation completed, Operational investigation completed
Improvement
Operational improvement completed
Volume & pollution
Estimate from 73 hours spilling →
Newton Harcourt Brook 18 73 down 73% 100%
Manor House Farm
Storm discharge at pumping station
Company site name
MAPLETON TPS (CSO)
EA ID / permit
SVT01475 · T/29/07985/O
Outlet location
SK1609047620 (OS grid reference) · View on Apple Maps
WFD catchment
Dove - conf R Manifold to conf R Churnet (GB104028052670)
2024 spills / hours
21 / 234
Long-term average
16.5 spills a year (monitored since 2020)
Investigation
UWWTR investigation ongoing, Operational investigation completed
Improvement
Operational improvement completed
Volume & pollution
Estimate from 72 hours spilling →
River Dove 6 72 down 71% 100%
Littlethorpe
Overflow on sewer network
Company site name
NARBOROUGH - JUBILEE CROFT (CSO)
EA ID / permit
SVT01383 · DT/8043
Outlet location
SP5440097300 (OS grid reference) · View on Apple Maps
WFD catchment
Soar from Thurlaston Brook to Sence (GB104028046880)
2024 spills / hours
18 / 132
Long-term average
8.1 spills a year (monitored since 2019)
Investigation
Operational investigation completed
Improvement
Operational improvement completed
Volume & pollution
Estimate from 72 hours spilling →
River Soar 9 72 down 50% 100%
Lodge Farm Drive CSO
Overflow on sewer network
Company site name
SNITTERFIELD - LODGE FARM DRIVE (CSO)
EA ID / permit
SVT01390 · S/13/23221/O
Outlet location
SP2184960364 (OS grid reference) · View on Apple Maps
WFD catchment
Sherbourne Bk - source to conf R Avon (GB109054043730)
2024 spills / hours
8 / 6.2
Long-term average
13.4 spills a year (monitored since 2019)
Investigation
UWWTR investigation ongoing, Operational investigation completed
Improvement
UWWTR improvement completed
Volume & pollution
Estimate from 72 hours spilling →
Bell Brook 13 72 up 63% 100%
Bobbington Sewage Treatment Works
Inlet overflow at sewage works
Sewage works
Bobbington
Company site name
BOBBINGTON STW (CSO)
EA ID / permit
SVT00302 · S/05/56191/R
Outlet location
SO8082090718 (OS grid reference) · View on Apple Maps
WFD catchment
Hilton Claverley Bk - source to conf Stratford Bk (GB109054045020)
2024 spills / hours
0 / 0.0
Long-term average
12.3 spills a year (monitored since 2021)
Investigation
UWWTR investigation completed
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 72 hours spilling →
Cut Throat Brook 17 72 up from 0 100%
Woodhouse SPS and Various SPS
Storm discharge at pumping station
Company site name
MOUNTSORREL - BETTY HENSERS LANE (SSO)
EA ID / permit
SVT02612 · EPRKB3594NL
Outlet location
SK5867013010 (OS grid reference) · View on Apple Maps
WFD catchment
Soar from Rothley Brook to Long Whatton Brook (GB104028047211)
2024 spills / hours
23 / 167
Long-term average
13.7 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 72 hours spilling →
Various Sites River Soar 8 72 down 65% 100%
Foston Pumping Station
Storm discharge at pumping station
Company site name
FOSTON - OFF WATERY LANE (CSO)
EA ID / permit
SVT00920 · T/33/35041/O
Outlet location
SK1879030970 (OS grid reference) · View on Apple Maps
WFD catchment
Foston Brook catchment (trib of Dove) (GB104028052460)
2024 spills / hours
12 / 102
Long-term average
6.0 spills a year (monitored since 2023)
Investigation
Operational investigation completed
Improvement
Operational improvement completed
Volume & pollution
Estimate from 72 hours spilling →
Foston Brook 6 72 down 50% 100%
Blind Lane/Avon Street Jcn SSO
Overflow on sewer network
Company site name
EVESHAM - AVON ST\BLIND LANE (CSO)
EA ID / permit
SVT00296 · S/17/21586/O
Outlet location
SP0310344115 (OS grid reference) · View on Apple Maps
WFD catchment
Avon conf Workman Br, Evesham to conf R Severn (GB109054044403)
2024 spills / hours
58 / 152
Long-term average
51.4 spills a year (monitored since 2019)
High-spill reason (company)
Not asset maintenance - Hydraulic capacity
Investigation
UWWTR investigation ongoing, Operational investigation completed
Improvement
Operational improvement completed
Volume & pollution
Estimate from 72 hours spilling →
River Avon 43 72 down 26% 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.