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
St Anns Well Road Storm Overflow
Overflow on sewer network
Company site name
SNEINTON - RANSOM RD (CSO)
EA ID / permit
SVT02142 · T/64/07994/O
Outlet location
SK5907038775 (OS grid reference) · View on Apple Maps
WFD catchment
Trent from Soar to The Beck (GB104028053110)
2024 spills / hours
9 / 3.0
Long-term average
9.9 spills a year (monitored since 2017)
Investigation
No investigation activity in reporting period
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 4.1 hours spilling →
River Trent 11 4.1 up 22% 100%
Glascote Road CSO
Overflow on sewer network
Company site name
BOLEHALL - GLASCOTE ROAD (CSO)
EA ID / permit
SVT00951 · T/21/35998/O
Outlet location
SK2123303764 (OS grid reference) · View on Apple Maps
WFD catchment
Anker from River Sence to River Tame (GB104028046460)
2024 spills / hours
32 / 17
Long-term average
34.7 spills a year (monitored since 2019)
Investigation
UWWTR investigation ongoing, Operational investigation ongoing
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 4.1 hours spilling →
River Anker 19 4.1 down 41% 100%
Moreledge / Thorntree Lane CSO
Overflow on sewer network
Company site name
DERBY - MORLEDGE/THORNTREE LANE (CSO)
EA ID / permit
SVT01584 · NPSWQD003066
Outlet location
SK3568036205 (OS grid reference) · View on Apple Maps
WFD catchment
Markeaton Brook from Mackworth Brook to Derwent (GB104028052830)
2024 spills / hours
2 / 6.4
Long-term average
9.6 spills a year (monitored since 2019)
Investigation
Env Act (SODRP) investigation ongoing, Operational investigation completed
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 4.1 hours spilling →
Markeaton Brook 11 4.1 up 450% 100%
Sideway Road CSO
Overflow on sewer network
Company site name
BOOTHEN - SIDEWAY ONE (MICHELIN) (CSO)
EA ID / permit
SVT02045 · T/01/21323/O
Outlet location
SJ8768543757 (OS grid reference) · View on Apple Maps
WFD catchment
Trent from Fowlea Brook to Tittensor (GB104028053271)
2024 spills / hours
9 / 7.9
Long-term average
5.1 spills a year (monitored since 2019)
Investigation
Env Act (SODRP) investigation ongoing
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 4.1 hours spilling →
River Trent 7 4.1 down 22% 100%
Rolleston-South Hill/Station Rd SPS
Storm discharge at pumping station
Company site name
ROLLESTON - SOUTH HILL (CSO)
EA ID / permit
SVT01236 · T/33/08436/O
Outlet location
SK2490427829 (OS grid reference) · View on Apple Maps
WFD catchment
Dove - R Churnet to R Trent (GB104028052420)
2024 spills / hours
7 / 5.5
Long-term average
7.4 spills a year (monitored since 2021)
Investigation
No investigation activity in reporting period
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 4.0 hours spilling →
Tributary of River Dove 2 4.0 down 71% 99%
Manholes
Overflow on sewer network
Company site name
ILKESTON - SPRINGFIELD GARDEN B (CSO)
EA ID / permit
SVT01206 · EPRHB3996EL
Outlet location
SK4770040400 (OS grid reference) · View on Apple Maps
WFD catchment
Erewash from Gilt Brook to Trent (GB104028052480)
2024 spills / hours
21 / 13
Long-term average
33.4 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 4.0 hours spilling →
River Erewash 16 4.0 down 24% 100%
Church St/Gregory St Jct CSO
Overflow on sewer network
Company site name
OLD LENTON - CHURCH STREET (CSO)
EA ID / permit
SVT00552 · T/64/21886/O
Outlet location
SK5573138378 (OS grid reference) · View on Apple Maps
WFD catchment
Leen from Day Brook to Trent (GB104028053250)
2024 spills / hours
9 / 5.3
Long-term average
4.7 spills a year (monitored since 2020)
Investigation
Env Act (SODRP) investigation ongoing, Operational investigation completed
Improvement
Operational improvement completed
Volume & pollution
Estimate from 4.0 hours spilling →
River Leen 7 4.0 down 22% 95%
Mansfield Woodhouse - Warsop Rd CSO
Overflow on sewer network
Company site name
MANSF. WOODHOUSE - OFF WARSOP ROAD (CSO)
EA ID / permit
SVT01485 · T/71/46325/O
Outlet location
SK5467064072 (OS grid reference) · View on Apple Maps
WFD catchment
Meden from Source to Sookholme Brook (GB104028058020)
2024 spills / hours
10 / 7.2
Long-term average
9.6 spills a year (monitored since 2021)
Investigation
No investigation activity in reporting period
Improvement
UWWTR improvement completed
Volume & pollution
Estimate from 4.0 hours spilling →
Leas Brook 9 4.0 down 10% 100%
Salterford Lane CSO
Overflow on sewer network
Company site name
ALTON - SALTERSFORD LANE (CSO)
EA ID / permit
SVT01935 · T/30/21596/O
Outlet location
SK0773341874 (OS grid reference) · View on Apple Maps
WFD catchment
Churnet from Consall to River Dove (GB104028052652)
2024 spills / hours
0 / 0.0
Long-term average
2.9 spills a year (monitored since 2019)
Investigation
No investigation activity in reporting period
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 4.0 hours spilling →
Trib of River Churnet 13 4.0 up from 0 99%
St Peters Street/East Street CSO
Overflow on sewer network
Company site name
DERBY - ST PETERS ST/EAST STREET (CSO)
EA ID / permit
SVT02149 · T/47/21209/O
Outlet location
SK3568036206 (OS grid reference) · View on Apple Maps
WFD catchment
Markeaton Brook from Mackworth Brook to Derwent (GB104028052830)
2024 spills / hours
45 / 41
Long-term average
16.1 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 3.9 hours spilling →
Markeaton Brook 7 3.9 down 84% 99%
School Road CSO
Overflow on sewer network
Company site name
DONNINGTON - SCHOOL ROAD (CSO)
EA ID / permit
SVT01953 · S/04/20914/O
Outlet location
SJ7114314107 (OS grid reference) · View on Apple Maps
WFD catchment
Wall Bk - source to conf Pipe Strine (GB109054050130)
2024 spills / hours
19 / 13
Long-term average
18.0 spills a year (monitored since 2019)
Investigation
UWWTR investigation ongoing
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 3.9 hours spilling →
Tributary of River Strine 12 3.9 down 37% 100%
Brierley Hill Road CSO
Overflow on sewer network
Company site name
BRIERLEY HILL - COOPER AV (CSO)
EA ID / permit
SVT00352 · S/06/55761/O
Outlet location
SO9014887204 (OS grid reference) · View on Apple Maps
WFD catchment
Stour (Worcs) source to conf Smestow Bk (GB109054044750)
2024 spills / hours
11 / 11
Long-term average
3.5 spills a year (monitored since 2020)
Investigation
No investigation activity in reporting period
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 3.9 hours spilling →
Tributary of Wordsley Brook 4 3.9 down 64% 100%
Warsop - Stonebridge Lane/Vale Av SPS (CSO)
Storm discharge at pumping station
EA ID / permit
SVT02450 · T/71/08687/O
Outlet location
SK5586068030 (OS grid reference) · View on Apple Maps
WFD catchment
Meden from Sookholme Brook to Maun (GB104028058060)
2024 spills / hours
14 / 8.7
Long-term average
14.0 spills a year (monitored since 2021)
Investigation
UWWTR investigation ongoing
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 3.9 hours spilling →
River Meden 12 3.9 down 14% 100%
SO High St and SO Pleck
Overflow on sewer network
Company site name
BIDFORD-ON-AVON - SALFORD ROAD (CSO)
EA ID / permit
SVT02091 · S/13/07378/O
Outlet location
SP0960051600 (OS grid reference) · View on Apple Maps
WFD catchment
Avon- Tramway Br Stratford to Workman Br Evesham (GB109054044401)
2024 spills / hours
0 / 0.0
Long-term average
7.5 spills a year (monitored since 2022)
Investigation
UWWTR investigation ongoing
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 3.8 hours spilling →
River Avon 4 3.8 up from 0 100%
Leics-Mountsorrel-Leicester Rd (CSO)
Overflow on sewer network
EA ID / permit
SVT01348 · Permit application submitted
Outlet location
SK5835615059 (OS grid reference) · View on Apple Maps
WFD catchment
Soar from Rothley Brook to Long Whatton Brook (GB104028047211)
2024 spills / hours
5 / 4.4
Long-term average
4.5 spills a year (monitored since 2022)
Investigation
Env Act (SODRP) investigation ongoing
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 3.8 hours spilling →
Trib of River Soar 4 3.8 down 20% 100%
Coventry Street Island CSO
Overflow on sewer network
Company site name
KIDDERMINSTER - BLACKWELL STREET (CSO)
EA ID / permit
SVT00657 · EPRHB3896VA
Outlet location
SO8309576692 (OS grid reference) · View on Apple Maps
WFD catchment
Stour (Worcs) - conf Smestow Bk to conf R Severn (GB109054044710)
2024 spills / hours
13 / 8.8
Long-term average
10.3 spills a year (monitored since 2019)
Investigation
Operational investigation completed
Improvement
Operational improvement completed
Volume & pollution
Estimate from 3.8 hours spilling →
River Stour 6 3.8 down 54% 99%
Redditch - Paper Mill Drive (CSO)
Overflow on sewer network
EA ID / permit
SVT01879 · Permit application submitted
Outlet location
SP0549068066 (OS grid reference) · View on Apple Maps
WFD catchment
Arrow - source to Spernall Hall Fm, Studley (GB109054043890)
2024 spills / hours
3 / 5.4
Long-term average
2.5 spills a year (monitored since 2022)
Investigation
No investigation activity in reporting period
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 3.8 hours spilling →
River Arrow 3 3.8 no change 100%
Screveton - Knights Close SPS
Storm discharge at pumping station
Company site name
SCREVETON - KNIGHTS CLOSE (CSO)
EA ID / permit
SVT01957 · T/67/45396/O
Outlet location
SK7320643628 (OS grid reference) · View on Apple Maps
WFD catchment
Car Dyke (GB104028052501)
2024 spills / hours
2 / 8.3
Long-term average
1.4 spills a year (monitored since 2021)
Investigation
No investigation activity in reporting period
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 3.8 hours spilling →
Tributary of Car Dyke 1 3.8 down 50% 99%
Bridle Lane Combined Sewer Overflow
Overflow on sewer network
Company site name
STREETLY - BRIDLE LANE 80 (CSO)
EA ID / permit
SVT00351 · T/10/35327/O
Outlet location
SP0848796854 (OS grid reference) · View on Apple Maps
WFD catchment
Plants Brook Catchment (trib of Tame) (GB104028046860)
2024 spills / hours
1 / 1.0
Long-term average
26.6 spills a year (monitored since 2019)
Investigation
UWWTR investigation completed, Operational investigation completed
Improvement
Operational improvement completed
Volume & pollution
Estimate from 3.8 hours spilling →
Trib of Longmoor Pool 3 3.8 up 200% 100%
Myvod Road CSO
Overflow on sewer network
Company site name
WOOD GREEN - MYVOD ROAD (CSO)
EA ID / permit
SVT01594 · T/08/30064/O
Outlet location
SO9975496455 (OS grid reference) · View on Apple Maps
WFD catchment
Tame (W/ton Arm) source to conf Oldbury (GB104028046930)
2024 spills / hours
10 / 9.5
Long-term average
6.3 spills a year (monitored since 2019)
Investigation
Env Act (SODRP) investigation ongoing, Operational investigation ongoing
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 3.8 hours spilling →
River Tame 10 3.8 no change 100%
Coalville - Thornborough Road CSO
Overflow on sewer network
Company site name
COALVILLE - THORNBOROUGH ROAD (CSO)
EA ID / permit
SVT00596 · T/57/09234/O
Outlet location
SK4244615185 (OS grid reference) · View on Apple Maps
WFD catchment
Grace Dieu Brook Catchment (trib of Black Brook) (GB104028047090)
2024 spills / hours
5 / 3.1
Long-term average
5.0 spills a year (monitored since 2021)
Investigation
Env Act (SODRP) investigation ongoing
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 3.8 hours spilling →
Tributary of Grace Dieu Brook 4 3.8 down 20% 100%
Ilkeston Road/Rothesay Avenue CSO
Overflow on sewer network
Company site name
RADFORD - ILKESTON RD/ROTHESAY AVE (CSO)
EA ID / permit
SVT01208 · T/63/09183/O
Outlet location
SK5499940117 (OS grid reference) · View on Apple Maps
WFD catchment
Leen from Day Brook to Trent (GB104028053250)
2024 spills / hours
19 / 4.5
Long-term average
20.8 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 3.8 hours spilling →
River Leen 18 3.8 down 5% 100%
Battenhall Road CSO
Overflow on sewer network
Company site name
WORCESTER - BATTENHALL ROAD (CSO)
EA ID / permit
SVT00204 · S/08/56222/O
Outlet location
SO8552253218 (OS grid reference) · View on Apple Maps
WFD catchment
Severn - conf R Stour to conf RIver Teme (GB109054049144)
2024 spills / hours
7 / 3.9
Long-term average
23.9 spills a year (monitored since 2019)
Investigation
UWWTR investigation completed
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 3.8 hours spilling →
Duck Brook 8 3.8 up 14% 100%
Brookside Avenue CSO
Overflow on sewer network
Company site name
ALLESLEY - BROOKSIDE AVENUE (CSO)
EA ID / permit
SVT00388 · S/11/05067/O
Outlet location
SP3067079429 (OS grid reference) · View on Apple Maps
WFD catchment
Sherbourne - source to conf R Sowe (GB109054044620)
2024 spills / hours
26 / 61
Long-term average
15.3 spills a year (monitored since 2019)
Investigation
UWWTR investigation ongoing, Operational investigation ongoing
Improvement
UWWTR improvement completed
Volume & pollution
Estimate from 3.7 hours spilling →
Brookstray 3 3.7 down 88% 98%
Scunthorpe High St/ Trafford St CSO
Overflow on sewer network
Company site name
SCUNTHORPE - BRIGG ROAD (CSO)
EA ID / permit
SVT01961 · T/81/07993/O
Outlet location
SE9191012210 (OS grid reference) · View on Apple Maps
WFD catchment
Bottesford Beck Catchment (trib of Trent) (GB104028064290)
2024 spills / hours
3 / 1.3
Long-term average
4.4 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 3.7 hours spilling →
Bottesford Beck Culvert 7 3.7 up 133% 100%
Alton New Road CSO
Overflow on sewer network
Company site name
ALTON- NEW ROAD (STATION BANK) (CSO)
EA ID / permit
SVT00062 · T/30/20989/O
Outlet location
SK0716842547 (OS grid reference) · View on Apple Maps
WFD catchment
Churnet from Consall to River Dove (GB104028052652)
2024 spills / hours
16 / 14
Long-term average
14.2 spills a year (monitored since 2021)
Investigation
UWWTR investigation ongoing
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 3.7 hours spilling →
River Churnet 8 3.7 down 50% 99%
Wellington Drive SPS
Storm discharge at pumping station
Company site name
CANNOCK - WELLINGTON DRIVE (SSO)
EA ID / permit
SVT02491 · T/03/30249/O
Outlet location
SJ9678309258 (OS grid reference) · View on Apple Maps
WFD catchment
Saredon Brook from Source to River Penk (GB104028046740)
2024 spills / hours
14 / 14
Long-term average
7.1 spills a year (monitored since 2019)
Investigation
Env Act (SODRP) investigation ongoing, Operational investigation ongoing
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 3.7 hours spilling →
Staffordshire Worcester Canal 7 3.7 down 50% 100%
Norton Bridge Sewage Treatment Work
Inlet overflow at sewage works
Sewage works
Norton Bridge Sewage Treatment Work
Company site name
NORTON BRIDGE (STW)
EA ID / permit
SVT01674 · T/02/35582/R
Outlet location
SJ8738029747 (OS grid reference) · View on Apple Maps
WFD catchment
Meece Brook from Chatcull Brook to R Sow (GB104028053010)
2024 spills / hours
4 / 2.0
Long-term average
14.0 spills a year (monitored since 2021)
Investigation
UWWTR investigation ongoing, Operational investigation completed
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 3.5 hours spilling →
Meece Brook 4 3.5 no change 96%
Wormington Sewage Treatment Works
Inlet overflow at sewage works
Sewage works
Wormington
Company site name
WORMINGTON STW (CSO)
EA ID / permit
SVT02638 · S/18/25840/R
Outlet location
SP0371536393 (OS grid reference) · View on Apple Maps
WFD catchment
Isbourne - source to conf R Avon (GB109054039631)
2024 spills / hours
10 / 5.2
Long-term average
16.5 spills a year (monitored since 2020)
Investigation
UWWTR investigation completed
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 3.5 hours spilling →
River Isbourne 4 3.5 down 60% 99%
Kedleston Road Storm Overflow
Overflow on sewer network
Company site name
DERBY - KEDLESTON RD/MAXWELL AVE (CSO)
EA ID / permit
SVT01238 · T/46/21202/O
Outlet location
SK3372037740 (OS grid reference) · View on Apple Maps
WFD catchment
Markeaton Brook from Mackworth Brook to Derwent (GB104028052830)
2024 spills / hours
2 / 0.5
Long-term average
2.3 spills a year (monitored since 2022)
Investigation
Env Act (SODRP) investigation ongoing
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 3.5 hours spilling →
Northern Flood Culvert 2 3.5 no change 100%
Keyway Darlaston Lane/Owen Road CSO
Overflow on sewer network
Company site name
DARLASTON - STOWHEATH EAST TANK (CSO)
EA ID / permit
SVT01249 · T/08/22745/O
Outlet location
SO9701097640 (OS grid reference) · View on Apple Maps
WFD catchment
Tame (W/ton Arm) source to conf Oldbury (GB104028046930)
2024 spills / hours
8 / 10
Long-term average
5.6 spills a year (monitored since 2019)
Investigation
Env Act (SODRP) investigation ongoing
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 3.5 hours spilling →
Darlston Brook 3 3.5 down 63% 100%
Glastonbury Road CSO
Overflow on sewer network
Company site name
KINGS HEATH - GLASTONBURY RD (CSO)
EA ID / permit
SVT00953 · T/12/36476/O
Outlet location
SP0906180029 (OS grid reference) · View on Apple Maps
WFD catchment
Cole from Source to Springfield (GB104028042501)
2024 spills / hours
19 / 6.8
Long-term average
18.2 spills a year (monitored since 2020)
Investigation
UWWTR investigation ongoing, Operational investigation ongoing
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 3.5 hours spilling →
Chinn Brook 11 3.5 down 42% 100%
Park Avenue CSO
Overflow on sewer network
Company site name
MADELEY - PARK AVENUE (CSO)
EA ID / permit
SVT01756 · S/02/55675/O
Outlet location
SJ6923602772 (OS grid reference) · View on Apple Maps
WFD catchment
Severn conf M Wenlock-Farley Bk to conf R Worfe (GB109054049143)
2024 spills / hours
10 / 2.7
Long-term average
10.9 spills a year (monitored since 2019)
Investigation
Env Act (SODRP) investigation ongoing, Operational investigation ongoing
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 3.4 hours spilling →
River Severn via SWS 15 3.4 up 50% 100%
Rocester - Ashbourne Road CSO
Overflow on sewer network
Company site name
ROCESTER - ASHBOURNE ROAD (CSO)
EA ID / permit
SVT01897 · T/30/30181/O
Outlet location
SK1063539296 (OS grid reference) · View on Apple Maps
WFD catchment
Churnet from Consall to River Dove (GB104028052652)
2024 spills / hours
2 / 0.7
Long-term average
2.4 spills a year (monitored since 2021)
Investigation
No investigation activity in reporting period
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 3.4 hours spilling →
River Churnet 7 3.4 up 250% 100%
Hoby - Brooksby SPS
Storm discharge at pumping station
Company site name
WARTNABY - SPRING LANE (SSO)
EA ID / permit
SVT01540 · EPRYB3094AA
Outlet location
SK6680016800 (OS grid reference) · View on Apple Maps
WFD catchment
Eye / Wreake from Langham Brook to Soar (GB104028047550)
2024 spills / hours
0 / 0.0
Long-term average
0.4 spills a year (monitored since 2021)
Investigation
No investigation activity in reporting period
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 3.3 hours spilling →
River Wreake (Eye) Trib 1 3.3 up from 0 99%
Maltby-Low Common Terminal PS
Storm discharge at pumping station
Company site name
MALTBY - LOW COMMON (SSO)
EA ID / permit
SVT01467 · T/83/07438/O
Outlet location
SK5438891440 (OS grid reference) · View on Apple Maps
WFD catchment
Ruddle (Paper Mill Dyke) from Source to Torne (GB104028058380)
2024 spills / hours
5 / 14
Long-term average
7.0 spills a year (monitored since 2021)
Investigation
No investigation activity in reporting period
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 3.3 hours spilling →
Tributary of Paper Mill Dike 6 3.3 up 20% 100%
Grove Street CSO
Overflow on sewer network
Company site name
SMETHWICK - GROVE STREET (CSO)
EA ID / permit
SVT01019 · T/09/35703/O
Outlet location
SP0357887838 (OS grid reference) · View on Apple Maps
WFD catchment
Hockley Brook Catchment (trib of Rea) (GB104028042640)
2024 spills / hours
6 / 3.8
Long-term average
6.9 spills a year (monitored since 2019)
Investigation
Env Act (SODRP) investigation ongoing, Operational investigation ongoing
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 3.2 hours spilling →
Hockley Brook 3 3.2 down 50% 100%
Vicarage Road CSO
Overflow on sewer network
Company site name
LEEK - VICARAGE ROAD 2 (CSO)
EA ID / permit
SVT01341 · T/30/30223/O
Outlet location
SJ9786356949 (OS grid reference) · View on Apple Maps
WFD catchment
Churnet from Meerbrook to Leekbrook (GB104028052770)
2024 spills / hours
30 / 58
Long-term average
51.6 spills a year (monitored since 2019)
Investigation
UWWTR investigation ongoing, Operational investigation completed
Improvement
Operational improvement completed
Volume & pollution
Estimate from 3.2 hours spilling →
River Churnet 9 3.2 down 70% 100%
Mitcheldean - Vantage Point Bv (CSO)
Overflow on sewer network
EA ID / permit
SVT01576 · Unpermitted
Outlet location
SO6694518785 (OS grid reference) · View on Apple Maps
WFD catchment
Westbury Bk - source to mouth (GB109054032770)
2024 spills / hours
17 / 5.6
Long-term average
9.0 spills a year (monitored since 2023)
Investigation
UWWTR investigation completed, Operational investigation completed
Improvement
Operational improvement completed
Volume & pollution
Estimate from 3.2 hours spilling →
Longhope Brook 6 3.2 down 65% 97%
Wood Street 26 CSO
Overflow on sewer network
Company site name
TIPTON - WOOD STREET 26 (CSO)
EA ID / permit
SVT02606 · T/08/36061/O
Outlet location
SO9541692574 (OS grid reference) · View on Apple Maps
WFD catchment
Tame (Oldbury Arm) - source to conf R Tame (Wton Arm) (GB104028042601)
2024 spills / hours
1 / 1.3
Long-term average
3.4 spills a year (monitored since 2019)
Investigation
Env Act (SODRP) investigation ongoing
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 3.2 hours spilling →
Tributary of Swan Brook 7 3.2 up 600% 100%
Allesley Foul Sewer - Storm O/F
Overflow on sewer network
Company site name
ALLESLEY - BIRMINGHAM RD/BARNFIELD AVE (CSO)
EA ID / permit
SVT00055 · S/11/04516/O
Outlet location
SP3220079200 (OS grid reference) · View on Apple Maps
WFD catchment
Sherbourne - source to conf R Sowe (GB109054044620)
2024 spills / hours
11 / 3.1
Long-term average
7.3 spills a year (monitored since 2022)
Investigation
Operational investigation ongoing
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 3.2 hours spilling →
River Sherbourne 11 3.2 no change 95%
Station Rd/Yew Tree Road Jct CSO
Overflow on sewer network
Company site name
ASTON - STATION RD/YEW TREE RD (CSO)
EA ID / permit
SVT02175 · T/08/22244/O
Outlet location
SP0801390546 (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
1.9 spills a year (monitored since 2019)
Investigation
Env Act (SODRP) investigation ongoing
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 3.2 hours spilling →
River Tame 2 3.2 up from 0 100%
North Askham - Town Street (SSO)
Storm discharge at pumping station
EA ID / permit
SVT02339 · Unpermitted
Outlet location
SK7422575398 (OS grid reference) · View on Apple Maps
WFD catchment
Tuxford Beck Catchment (trib of North Beck) (GB104028058320)
2024 spills / hours
4 / 8.6
Long-term average
3.8 spills a year (monitored since 2021)
Investigation
Operational investigation completed
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 3.2 hours spilling →
Ditch Trib. of Laneham Beck 2 3.2 down 50% 100%
Dartmouth Avenue CSO
Overflow on sewer network
Company site name
WESTLANDS - DARTMOUTH AVENUE (CSO)
EA ID / permit
SVT00741 · T/01/21213/O
Outlet location
SJ8499644045 (OS grid reference) · View on Apple Maps
WFD catchment
Lyme Brook Catchment (trib of Trent) (GB104028053340)
2024 spills / hours
26 / 27
Long-term average
18.0 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 3.1 hours spilling →
Tributary of Lyme Brook 12 3.1 down 54% 100%
Heanor - Peach Street CSO
Overflow on sewer network
Company site name
HEANOR - PEACH STREET (ALLOTMENTS) (CSO)
EA ID / permit
SVT01105 · T/61/20990/O
Outlet location
SK4281846025 (OS grid reference) · View on Apple Maps
WFD catchment
Nut Brook Catchment (trib of Erewash) (GB104028052520)
2024 spills / hours
12 / 3.1
Long-term average
9.4 spills a year (monitored since 2021)
Investigation
No investigation activity in reporting period
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 3.1 hours spilling →
Tributary of Nut Brook 20 3.1 up 67% 100%
Raw Dykes Road CSO
Overflow on sewer network
Company site name
LEICESTER - RAW DYKES ROAD (CSO)
EA ID / permit
SVT01870 · T/52/46106/O
Outlet location
SK5808403091 (OS grid reference) · View on Apple Maps
WFD catchment
Soar from Sence to Rothley Brook (GB104028047030)
2024 spills / hours
68 / 451
Long-term average
15.7 spills a year (monitored since 2019)
Investigation
UWWTR investigation ongoing, Operational investigation completed
Improvement
Operational improvement completed
Volume & pollution
Estimate from 3.1 hours spilling →
River Soar 3 3.1 down 96% 100%
Leicester Road PS - Stm/Emeg O/F
Storm discharge at pumping station
Company site name
COUNTESTHORPE - WIGSTON RFC PS (CSO)
EA ID / permit
SVT02661 · T/51/03504/O
Outlet location
SP5860096600 (OS grid reference) · View on Apple Maps
WFD catchment
Sence from Countesthorpe Brook to Soar (GB104028046870)
2024 spills / hours
1 / 2.2
Long-term average
0.8 spills a year (monitored since 2022)
Investigation
Operational investigation ongoing
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 3.0 hours spilling →
Trib of River Soar 1 3.0 no change 100%
Harpfield Road CSO
Overflow on sewer network
Company site name
TRENT VALE - HARPFIELD ROAD (CSO)
EA ID / permit
SVT01068 · T/01/30092/O
Outlet location
SJ8587443496 (OS grid reference) · View on Apple Maps
WFD catchment
Lyme Brook Catchment (trib of Trent) (GB104028053340)
2024 spills / hours
13 / 7.2
Long-term average
11.4 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 2.9 hours spilling →
Lyme Brook 8 2.9 down 38% 100%
Marlpool - Buxton Avenue SPS
Storm discharge at pumping station
Company site name
MARLPOOL - BUXTON AVENUE PS (CSO)
EA ID / permit
SVT01507 · T/61/40154/O
Outlet location
SK4390245084 (OS grid reference) · View on Apple Maps
WFD catchment
Nut Brook Catchment (trib of Erewash) (GB104028052520)
2024 spills / hours
14 / 25
Long-term average
11.6 spills a year (monitored since 2021)
Investigation
UWWTR investigation ongoing, Operational investigation completed
Improvement
Operational improvement completed
Volume & pollution
Estimate from 2.9 hours spilling →
Tributary of Nut Brook 3 2.9 down 79% 100%
Stour Vale Road CSO
Overflow on sewer network
Company site name
LYE - STOUR VALE ROAD (CSO)
EA ID / permit
SVT02224 · S/08/55810/O
Outlet location
SO9276684831 (OS grid reference) · View on Apple Maps
WFD catchment
Stour (Worcs) source to conf Smestow Bk (GB109054044750)
2024 spills / hours
3 / 1.3
Long-term average
5.0 spills a year (monitored since 2020)
Monitor below 90%
Comms failure / issue · Resolved - Feb
Investigation
Operational investigation completed
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 2.9 hours spilling →
Tributary of River Stour 3 2.9 no change 89%

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.