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
Lane Green Pumping Station
Storm discharge at pumping station
Company site name
CODSALL - LANE GREEN ROAD (SSO)
EA ID / permit
SVT01309 · T/03/35476/O
Outlet location
SJ8828002500 (OS grid reference) · View on Apple Maps
WFD catchment
Penk from Source toSaredon Brook (GB104028046680)
2024 spills / hours
5 / 6.8
Long-term average
3.3 spills a year (monitored since 2023)
Investigation
Env Act (SODRP) investigation ongoing, Operational investigation ongoing
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 2.9 hours spilling →
Trib of River Penk 4 2.9 down 20% 100%
Stretton - Derby Road Clay Mills (SSO)
Storm discharge at pumping station
EA ID / permit
SVT02693 · Unpermitted
Outlet location
SK2623426674 (OS grid reference) · View on Apple Maps
WFD catchment
Trent - R Tame to R Dove (GB104028047180)
2024 spills / hours
0 / 0.0
Long-term average
2.0 spills a year (monitored since 2025)
Investigation
No investigation activity in reporting period
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 2.9 hours spilling →
River Dove 2 2.9 up from 0 100%
Asda - Oxford Street CSO
Overflow on sewer network
Company site name
ETRURIA - QUEENSWAY (ASDA) (CSO)
EA ID / permit
SVT00111 · T/01/21241/O
Outlet location
SJ8631548170 (OS grid reference) · View on Apple Maps
WFD catchment
Fowlea Brook from Source to River Trent (GB104028053360)
2024 spills / hours
18 / 3.6
Long-term average
20.3 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 2.9 hours spilling →
Fowlea Brook 15 2.9 down 17% 100%
Common Piece Lane CSO
Overflow on sewer network
Company site name
FINDERN - COMMON PIECE LANE (CSO)
EA ID / permit
SVT00623 · T/36/21115/O
Outlet location
SK3116730338 (OS grid reference) · View on Apple Maps
WFD catchment
Twyford Brook Catchment (trib of Trent) (GB104028053140)
2024 spills / hours
11 / 14
Long-term average
9.4 spills a year (monitored since 2019)
Investigation
Operational investigation completed
Improvement
Operational improvement completed
Volume & pollution
Estimate from 2.9 hours spilling →
Doles Brook 3 2.9 down 73% 98%
Litton Combined Sewer Overflow
Overflow on sewer network
Company site name
LITTON - BUXTON ROAD/LITTON DALE (CSO)
EA ID / permit
SVT01387 · T/39/46153/O
Outlet location
SK1552674801 (OS grid reference) · View on Apple Maps
WFD catchment
Wye from Monk's Dale to Derwent (GB104028057820)
2024 spills / hours
4 / 2.4
Long-term average
5.1 spills a year (monitored since 2019)
Investigation
Env Act (SODRP) investigation ongoing, Operational investigation completed
Improvement
Operational improvement ongoing
Volume & pollution
Estimate from 2.9 hours spilling →
Tideswell Brook 4 2.9 no change 96%
Codnor Nottingham Road CSO
Overflow on sewer network
Company site name
CODNOR - NOTTINGHAM ROAD (CSO)
EA ID / permit
SVT00600 · T/61/21524/O
Outlet location
SK4268949164 (OS grid reference) · View on Apple Maps
WFD catchment
Bailey Brook Catchment (trib of Erewash) (GB104028052590)
2024 spills / hours
9 / 4.3
Long-term average
4.8 spills a year (monitored since 2021)
Investigation
Env Act (SODRP) investigation ongoing
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 2.8 hours spilling →
Tributary of Bailey Brook 1 2.8 down 89% 99%
Friary Avenue-Birmingham Road CSO
Overflow on sewer network
Company site name
LICHFIELD - BIRMINGHAM ROAD (CSO)
EA ID / permit
SVT00929 · T/22/35822/O
Outlet location
SK1216910184 (OS grid reference) · View on Apple Maps
WFD catchment
Pyford Brook Catchment (trib of Trent) (GB104028047250)
2024 spills / hours
15 / 24
Long-term average
10.5 spills a year (monitored since 2020)
Investigation
UWWTR investigation ongoing, Operational investigation ongoing
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 2.8 hours spilling →
Curborough Brook 5 2.8 down 67% 100%
Harborne Road CSO
Overflow on sewer network
Company site name
EDGBASTON - HARBORNE RD (CSO)
EA ID / permit
SVT01057 · T/09/35290/O
Outlet location
SP0739685240 (OS grid reference) · View on Apple Maps
WFD catchment
Rea from Bourn Brook to River Tame (GB104028042550)
2024 spills / hours
19 / 7.2
Long-term average
19.0 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 2.8 hours spilling →
River Rea 14 2.8 down 26% 100%
Woodside - Holly Hall Road (CSO)
Overflow on sewer network
EA ID / permit
SVT01166 · Permit application submitted
Outlet location
SO9289088510 (OS grid reference) · View on Apple Maps
WFD catchment
Stour (Worcs) source to conf Smestow Bk (GB109054044750)
2024 spills / hours
4 / 4.6
Long-term average
3.0 spills a year (monitored since 2021)
Investigation
No investigation activity in reporting period
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 2.8 hours spilling →
Black Brook 3 2.8 down 25% 93%
Nuthall Road CSO
Overflow on sewer network
Company site name
ASPLEY - NUTHALL ROAD/BAR LANE (CSO)
EA ID / permit
SVT01696 · T/63/12349/O
Outlet location
SK5517941666 (OS grid reference) · View on Apple Maps
WFD catchment
Leen from Day Brook to Trent (GB104028053250)
2024 spills / hours
7 / 3.6
Long-term average
3.3 spills a year (monitored since 2020)
Monitor below 90%
Power failure / issue · Resolved - Jul
Investigation
Env Act (SODRP) investigation ongoing, Operational investigation completed
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 2.8 hours spilling →
River Leen 13 2.8 up 86% 87%
Smithpool Road CSO
Overflow on sewer network
Company site name
FENTON - SMITHPOOL ROAD (CSO)
EA ID / permit
SVT02074 · T/01/35899/O
Outlet location
SJ8854044570 (OS grid reference) · View on Apple Maps
WFD catchment
Trent from Fowlea Brook to Tittensor (GB104028053271)
2024 spills / hours
7 / 7.0
Long-term average
6.6 spills a year (monitored since 2019)
Investigation
Env Act (SODRP) investigation ongoing
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 2.8 hours spilling →
Trib of River Trent 6 2.8 down 14% 100%
Wadworth Daw Lane SPS
Storm discharge at pumping station
Company site name
WADWORTH - DAW LANE (SSO)
EA ID / permit
SVT02421 · T/83/46097/O
Outlet location
SK5739097280 (OS grid reference) · View on Apple Maps
WFD catchment
St Catherine's Well Stream from Source to Torne (GB104028058420)
2024 spills / hours
0 / 0.0
Long-term average
1.2 spills a year (monitored since 2021)
Investigation
No investigation activity in reporting period
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 2.8 hours spilling →
Salter Sike Drain 2 2.8 up from 0 100%
Little Kineton CSO
Overflow on sewer network
Company site name
LITTLE KINETON - BRIDGE STREET (CSO)
EA ID / permit
SVT01379 · S/13/20327/O
Outlet location
SP3330850776 (OS grid reference) · View on Apple Maps
WFD catchment
Dene - source to Butlers Marston (GB109054039501)
2024 spills / hours
2 / 7.4
Long-term average
1.7 spills a year (monitored since 2019)
Investigation
No investigation activity in reporting period
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 2.7 hours spilling →
River Dene 3 2.7 up 50% 100%
Alvechurch - the Orchard SPS
Storm discharge at pumping station
Company site name
ALVECHURCH - ORCHARD (SSO)
EA ID / permit
SVT01726 · S/15/25300/O
Outlet location
SP0311072515 (OS grid reference) · View on Apple Maps
WFD catchment
Arrow - source to Spernall Hall Fm, Studley (GB109054043890)
2024 spills / hours
1 / 5.0
Long-term average
1.0 spills a year (monitored since 2021)
Investigation
Operational investigation completed
Improvement
Operational improvement completed
Volume & pollution
Estimate from 2.7 hours spilling →
River Arrow 1 2.7 no change 100%
Midland Cottages CSO
Overflow on sewer network
Company site name
WIGSTON - MIDLAND COTTAGES (CSO)
EA ID / permit
SVT01559 · T/51/40058/O
Outlet location
SP5935998452 (OS grid reference) · View on Apple Maps
WFD catchment
Sence from Countesthorpe Brook to Soar (GB104028046870)
2024 spills / hours
7 / 5.7
Long-term average
5.9 spills a year (monitored since 2019)
Investigation
No investigation activity in reporting period
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 2.7 hours spilling →
Trib of River Sence 9 2.7 up 29% 100%
Hoby - Brooksby SPS
Storm discharge at pumping station
Company site name
HOLWELL - MAIN STREET (SSO)
EA ID / permit
SVT01543 · EPRYB3093WN
Outlet location
SK6680016800 (OS grid reference) · View on Apple Maps
WFD catchment
Eye / Wreake from Langham Brook to Soar (GB104028047550)
2024 spills / hours
9 / 9.1
Long-term average
4.6 spills a year (monitored since 2021)
Investigation
Operational investigation completed
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 2.7 hours spilling →
River Wreake (Eye) Trib 2 2.7 down 78% 100%
Pilkington Avenue CSO
Overflow on sewer network
Company site name
WESTLANDS -PRIORY RD/PILKINGTON AV (CSO)
EA ID / permit
SVT01794 · T/01/21284/O
Outlet location
SJ8423045509 (OS grid reference) · View on Apple Maps
WFD catchment
Lyme Brook Catchment (trib of Trent) (GB104028053340)
2024 spills / hours
12 / 5.0
Long-term average
17.7 spills a year (monitored since 2019)
Investigation
Env Act (SODRP) investigation ongoing, UWWTR investigation ongoing, Operational investigation ongoing
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 2.6 hours spilling →
Trib of Lyme Brook 8 2.6 down 33% 100%
Newent the Croft CSO
Overflow on sewer network
Company site name
NEWENT - THE CROFT (CSO)
EA ID / permit
SVT01634 · S/21/26432/O
Outlet location
SO7251026061 (OS grid reference) · View on Apple Maps
WFD catchment
Ell Bk - source to conf R Leadon (GB109054032520)
2024 spills / hours
5 / 2.2
Long-term average
4.6 spills a year (monitored since 2021)
Investigation
UWWTR investigation completed
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 2.6 hours spilling →
Peacocks Brook 6 2.6 up 20% 100%
Elmbank Road CSO
Overflow on sewer network
Company site name
YEW TREE - 27 PLANE TREE ROAD (CSO)
EA ID / permit
SVT00860 · TSC691
Outlet location
SP0309395430 (OS grid reference) · View on Apple Maps
WFD catchment
Tame - conf two arms to R Rea (GB104028046842)
2024 spills / hours
24 / 9.0
Long-term average
12.6 spills a year (monitored since 2019)
Investigation
Env Act (SODRP) investigation ongoing, UWWTR investigation ongoing, Operational investigation ongoing
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 2.6 hours spilling →
Tributary of River Trent 5 2.6 down 79% 100%
Cotham Sewage Treatment Works
Inlet overflow at sewage works
Sewage works
Cotham
Company site name
COTHAM (CSO)
EA ID / permit
SVT00641 · NPSWQD002550
Outlet location
SK7992947973 (OS grid reference) · View on Apple Maps
WFD catchment
Devon from Cotham to Trent (GB104028052632)
2024 spills / hours
2 / 4.1
Long-term average
1.8 spills a year (monitored since 2021)
Investigation
Env Act (SODRP) investigation ongoing
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 2.5 hours spilling →
Tributary of Middle Beck 3 2.5 up 50% 100%
Bridge Street-Field Lane Jcn CSO
Overflow on sewer network
Company site name
BELPER - BRIDGE STREET/FIELD LANE (CSO)
EA ID / permit
SVT00346 · T/42/21278/O
Outlet location
SK3455847990 (OS grid reference) · View on Apple Maps
WFD catchment
Derwent from Amber to Bottle Brook (GB104028052310)
2024 spills / hours
40 / 41
Long-term average
47.2 spills a year (monitored since 2020)
Investigation
UWWTR investigation ongoing, Operational investigation completed
Improvement
Operational improvement completed
Volume & pollution
Estimate from 2.5 hours spilling →
Tributary of River Derwent 11 2.5 down 73% 100%
The Hayes CSO
Overflow on sewer network
Company site name
LYE - THE HAYES (CSO)
EA ID / permit
SVT02290 · S/06/21904/O
Outlet location
SO9276684831 (OS grid reference) · View on Apple Maps
WFD catchment
Stour (Worcs) source to conf Smestow Bk (GB109054044750)
2024 spills / hours
9 / 2.6
Long-term average
16.3 spills a year (monitored since 2020)
Investigation
UWWTR investigation completed, Operational investigation completed
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 2.5 hours spilling →
Tributary of River Stour 9 2.5 no change 100%
Silverdale-Silverdale Road 389 CSO
Overflow on sewer network
Company site name
SILVERDALE - NEWCASTLE ST/MILL ST (CSO)
EA ID / permit
SVT02051 · T/01/03101/O
Outlet location
SJ8300046300 (OS grid reference) · View on Apple Maps
WFD catchment
Lyme Brook Catchment (trib of Trent) (GB104028053340)
2024 spills / hours
0 / 0.0
Long-term average
6.0 spills a year (monitored since 2020)
Investigation
Env Act (SODRP) investigation ongoing
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 2.5 hours spilling →
Lyme/Silverdale Brook 9 2.5 up from 0 100%
Bristol Road South CSO
Overflow on sewer network
Company site name
LONGBRIDGE - BRISTOL ROAD SOUTH (CSO)
EA ID / permit
SVT00358 · T/09/36046/O
Outlet location
SP0074577573 (OS grid reference) · View on Apple Maps
WFD catchment
Rea source to Bourn Brook (GB104028042510)
2024 spills / hours
11 / 53
Long-term average
8.5 spills a year (monitored since 2020)
Investigation
Env Act (SODRP) investigation ongoing
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 2.5 hours spilling →
River Rea 2 2.5 down 82% 100%
Waltham on the Wold STW & SPS
Storm discharge at pumping station
Company site name
SCALFORD - THORPE SIDE (CSO)
EA ID / permit
SVT02438 · EPRYB3093AV
Outlet location
SK7810026500 (OS grid reference) · View on Apple Maps
WFD catchment
Scalford Brook Catchment (trib of Wreake) (GB104028047600)
2024 spills / hours
20 / 69
Long-term average
14.0 spills a year (monitored since 2021)
Investigation
Env Act (SODRP) investigation ongoing, UWWTR investigation completed, Operational investigation completed
Improvement
Operational improvement completed
Volume & pollution
Estimate from 2.5 hours spilling →
River Eye + Various Brooks 7 2.5 down 65% 100%
Malvern - Pickersleigh / Meadow Rd (CSO)
Overflow on sewer network
Company site name
MALVERN - PICKERSLEIGH/MEADOW RD (CSO)
EA ID / permit
SVT01470 · S/08/05545/O
Outlet location
SO7886846983 (OS grid reference) · View on Apple Maps
WFD catchment
Madresfield Bk - source to conf R Severn (GB109054039740)
2024 spills / hours
5 / 1.2
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 2.5 hours spilling →
Whiteacres Brook 1 2.5 down 80% 100%
Austin Street SPS
Storm discharge at pumping station
Company site name
HANLEY - AUSTIN ST/JOINERS SQ PS (CSO)
EA ID / permit
SVT00148 · T/01/35973/O
Outlet location
SJ8898446450 (OS grid reference) · View on Apple Maps
WFD catchment
Trent - Ford Green Bk to Fowlea Bk (GB104028053301)
2024 spills / hours
5 / 2.8
Long-term average
5.9 spills a year (monitored since 2019)
Investigation
Env Act (SODRP) investigation ongoing, Operational investigation completed
Improvement
Operational improvement completed
Volume & pollution
Estimate from 2.5 hours spilling →
River Trent 4 2.5 down 20% 100%
Yardley - Yardley Green Road CSO
Overflow on sewer network
Company site name
YARDLEY - YARDLEY GREEN ROAD (CSO)
EA ID / permit
SVT02648 · DT/9714
Outlet location
SP1220286444 (OS grid reference) · View on Apple Maps
WFD catchment
Cole from Springfield to Hatchford-Kingshurst Brook (GB104028042502)
2024 spills / hours
6 / 4.4
Long-term average
10.6 spills a year (monitored since 2021)
Investigation
UWWTR investigation ongoing
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 2.5 hours spilling →
River Cole 10 2.5 up 67% 100%
Birmingham - Pershore Street (CSO)
Overflow on sewer network
EA ID / permit
SVT00272 · EPRJB3693EW
Outlet location
SP0763586267 (OS grid reference) · View on Apple Maps
WFD catchment
Rea from Bourn Brook to River Tame (GB104028042550)
2024 spills / hours
1 / 0.2
Long-term average
1.2 spills a year (monitored since 2021)
Investigation
Env Act (SODRP) investigation ongoing
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 2.5 hours spilling →
River Trent 1 2.5 no change 100%
Rugeley - Bryans Lane (CSO)
Overflow on sewer network
EA ID / permit
SVT00396 · T/05/08345/O
Outlet location
SK0494018306 (OS grid reference) · View on Apple Maps
WFD catchment
Rising Brook (GB104028047280)
2024 spills / hours
63 / 76
Long-term average
44.2 spills a year (monitored since 2020)
Investigation
UWWTR investigation completed, Operational investigation completed
Improvement
Operational improvement ongoing
Volume & pollution
Estimate from 2.5 hours spilling →
Rising Brook 5 2.5 down 92% 99%
Witton - Witton Lane (CSO)
Overflow on sewer network
EA ID / permit
SVT02582 · Permit application submitted
Outlet location
SP0782090460 (OS grid reference) · View on Apple Maps
WFD catchment
Tame - conf two arms to R Rea (GB104028046842)
2024 spills / hours
1 / 1.3
Long-term average
3.6 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 2.5 hours spilling →
River Tame 4 2.5 up 300% 100%
Calthorpe Fields CSO 3
Overflow on sewer network
Company site name
EDGBASTON - FREDERICK ROAD (CSO)
EA ID / permit
SVT00453 · T/09/35289/O
Outlet location
SP0739685240 (OS grid reference) · View on Apple Maps
WFD catchment
Rea from Bourn Brook to River Tame (GB104028042550)
2024 spills / hours
18 / 6.7
Long-term average
13.2 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 2.4 hours spilling →
River Rea 12 2.4 down 33% 100%
Mansfield - Sheepbridge Lane 2 CSO
Overflow on sewer network
Company site name
MANSFIELD - SHEEPBRIDGE LANE 2 (CSO)
EA ID / permit
SVT01483 · T/70/07519/O
Outlet location
SK5302259932 (OS grid reference) · View on Apple Maps
WFD catchment
Maun from Source to Vicar Water (GB104028052960)
2024 spills / hours
24 / 5.7
Long-term average
13.4 spills a year (monitored since 2021)
Investigation
Env Act (SODRP) investigation ongoing, UWWTR investigation ongoing, Operational investigation completed
Improvement
UWWTR improvement completed, Operational improvement completed
Volume & pollution
Estimate from 2.4 hours spilling →
River Maun 17 2.4 down 29% 100%
Whitehall Road CSO
Overflow on sewer network
Company site name
GREAT BRIDGE - WHITEHALL ROAD (CSO)
EA ID / permit
SVT02542 · T/08/21264/O
Outlet location
SO9785292539 (OS grid reference) · View on Apple Maps
WFD catchment
Tame (Oldbury Arm) - source to conf R Tame (Wton Arm) (GB104028042601)
2024 spills / hours
0 / 0.0
Long-term average
7.3 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 2.4 hours spilling →
River Tame 2 2.4 up from 0 100%
Springfield Avenue CSO
Overflow on sewer network
Company site name
RUGELEY - SPRINGFIELD AVENUE (CSO)
EA ID / permit
SVT02132 · T/05/20186/O
Outlet location
SK0512217272 (OS grid reference) · View on Apple Maps
WFD catchment
Rising Brook (GB104028047280)
2024 spills / hours
21 / 6.0
Long-term average
20.3 spills a year (monitored since 2019)
Investigation
UWWTR investigation ongoing, Operational investigation completed
Improvement
Operational improvement completed
Volume & pollution
Estimate from 2.4 hours spilling →
Trent and Mersey Canal 16 2.4 down 24% 100%
Narborough Rd / Westcote Rd CSO
Overflow on sewer network
Company site name
LEICESTER - NARBOROUGH/WESTCOTE RD (CSO)
EA ID / permit
SVT01602 · T/53/21535/O
Outlet location
SK5786703713 (OS grid reference) · View on Apple Maps
WFD catchment
Soar from Sence to Rothley Brook (GB104028047030)
2024 spills / hours
16 / 19
Long-term average
6.6 spills a year (monitored since 2019)
Investigation
Operational investigation ongoing
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 2.4 hours spilling →
River Soar 6 2.4 down 63% 98%
Waters Lane CSO
Overflow on sewer network
Company site name
NEWPORT - WATER LANECHAMBER 1 (CSO)
EA ID / permit
SVT02470 · S/04/20900/O
Outlet location
SJ7437419399 (OS grid reference) · View on Apple Maps
WFD catchment
Strine Bk - source to conf Wall Bk (GB109054050160)
2024 spills / hours
1 / 0.3
Long-term average
3.6 spills a year (monitored since 2019)
Investigation
Operational investigation completed
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 2.4 hours spilling →
Strine Brook 10 2.4 up 900% 100%
Bennett Street CSO
Overflow on sewer network
Company site name
LONG EATON - BENNET ST/ CANAL ST (CSO)
EA ID / permit
SVT00252 · T/61/22211/O
Outlet location
SK4872834585 (OS grid reference) · View on Apple Maps
WFD catchment
Erewash from Gilt Brook to Trent (GB104028052480)
2024 spills / hours
2 / 0.2
Long-term average
1.7 spills a year (monitored since 2020)
Investigation
Env Act (SODRP) investigation ongoing, Operational investigation completed
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 2.4 hours spilling →
River Erewash 1 2.4 down 50% 100%
Market Drayton - Walkmill Rd (CSO)
Storm discharge at pumping station
EA ID / permit
SVT02725 · S/04/20322/O
Outlet location
SJ6714633538 (OS grid reference) · View on Apple Maps
WFD catchment
Tern - conf Loggerheads Bk to conf Bailey Bk (GB109054055100)
2024 spills / hours
– / –
Monitor below 90%
Comms failure / issue · Resolved - Jun
Investigation
Operational investigation completed
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 2.4 hours spilling →
River Tern 7 2.4 34%
Kilburn - Rawson Green 4 (CSO)
Overflow on sewer network
EA ID / permit
SVT00664 · EPRTB3792EL
Outlet location
SK3710043500 (OS grid reference) · View on Apple Maps
WFD catchment
Bottle Brook Catchment (trib of Derwent) (GB104028052300)
2024 spills / hours
81 / 364
Long-term average
63.2 spills a year (monitored since 2021)
Investigation
UWWTR investigation completed, Operational investigation completed
Improvement
Operational improvement completed
Volume & pollution
Estimate from 2.4 hours spilling →
Park/Bottle Brook 3 2.4 down 96% 99%
Hellidon - Stockwell Lane SPS
Storm discharge at pumping station
Company site name
HELLIDON - STOCKWELL LANE (CSO)
EA ID / permit
SVT01110 · S/12/26612/O
Outlet location
SP5165858332 (OS grid reference) · View on Apple Maps
WFD catchment
Leam - source to conf Rains Bk (GB109054044120)
2024 spills / hours
25 / 203
Long-term average
10.4 spills a year (monitored since 2021)
Investigation
UWWTR investigation completed, Operational investigation ongoing
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 2.4 hours spilling →
River Leam 3 2.4 down 88% 100%
Polesworth Sewage Treatment Works
Storm tank at sewage works
Sewage works
Polesworth
Company site name
POLESWORTH STW (CSO)
EA ID / permit
SVT01806 · T/21/35970/R
Outlet location
SK2695102470 (OS grid reference) · View on Apple Maps
WFD catchment
Anker from River Sence to River Tame (GB104028046460)
2024 spills / hours
1 / 0.0
Long-term average
29.2 spills a year (monitored since 2020)
Investigation
UWWTR investigation completed, Operational investigation completed
Improvement
Operational improvement completed
Volume & pollution
Estimate from 2.3 hours spilling →
River Anker 4 2.3 up 300% 100%
Beatrice Road / Sylvan Street CSO
Overflow on sewer network
Company site name
LEICESTER - BEATRICE RD/SYLVAN ST (CSO)
EA ID / permit
SVT00217 · T/53/21281/O
Outlet location
SK5740504770 (OS grid reference) · View on Apple Maps
WFD catchment
Soar from Sence to Rothley Brook (GB104028047030)
2024 spills / hours
9 / 3.0
Long-term average
9.9 spills a year (monitored since 2019)
Investigation
UWWTR investigation completed
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 2.3 hours spilling →
Braunstone Brook 6 2.3 down 33% 100%
Nedham Street CSO
Overflow on sewer network
Company site name
LEICESTER - NEDHAM STREET (CSO)
EA ID / permit
SVT01608 · T/53/20332/O
Outlet location
SK5994905415 (OS grid reference) · View on Apple Maps
WFD catchment
Willow Brook Catchment (trib of Soar) (GB104028046980)
2024 spills / hours
19 / 8.2
Long-term average
8.8 spills a year (monitored since 2020)
Investigation
Env Act (SODRP) investigation ongoing, Operational investigation completed
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 2.3 hours spilling →
Willow Brook 8 2.3 down 58% 100%
Westgate-Salop St-Victoria Road CSO
Overflow on sewer network
Company site name
BRIDGNORTH - WESTGATE/VICTORIA RD (CSO)
EA ID / permit
SVT02518 · S/02/20966/O
Outlet location
SO7182492483 (OS grid reference) · View on Apple Maps
WFD catchment
Severn - conf R Worfe to conf R Stour (GB109054049145)
2024 spills / hours
24 / 4.4
Long-term average
16.7 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 2.3 hours spilling →
River Severn 18 2.3 down 25% 96%
Chance Lane Combined Sewer Overflow
Overflow on sewer network
Company site name
MALVERN - CHANCE LANE (CSO)
EA ID / permit
SVT00507 · S/08/20890/O
Outlet location
SO8025946077 (OS grid reference) · View on Apple Maps
WFD catchment
Madresfield Bk - source to conf R Severn (GB109054039740)
2024 spills / hours
0 / 0.0
Long-term average
1.0 spills a year (monitored since 2021)
Investigation
Operational investigation completed
Improvement
Operational improvement completed
Volume & pollution
Estimate from 2.3 hours spilling →
Tributary of Whiteacres Brook 1 2.3 up from 0 98%
Bath Road 2 CSO
Overflow on sewer network
Company site name
LONGTON - BATHS ROAD (WEST) (CSO)
EA ID / permit
SVT00201 · T/01/22804/O
Outlet location
SJ9064743592 (OS grid reference) · View on Apple Maps
WFD catchment
Longton Bk - source to R Trent (GB104028053273)
2024 spills / hours
7 / 2.7
Long-term average
6.8 spills a year (monitored since 2020)
Investigation
Env Act (SODRP) investigation ongoing, Operational investigation ongoing
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 2.2 hours spilling →
Anchor Brook 6 2.2 down 14% 100%
Welford Sewage Treatment Works
Storm tank at sewage works
Sewage works
Welford
Company site name
WELFORD (STW)
EA ID / permit
SVT02485 · S/10/26433/R
Outlet location
SP6439080854 (OS grid reference) · View on Apple Maps
WFD catchment
Avon (Warks) - source to Claycoton-Yelvertoft Bk (GB109054043930)
2024 spills / hours
11 / 16
Long-term average
6.0 spills a year (monitored since 2021)
Investigation
No investigation activity in reporting period
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 2.2 hours spilling →
River Avon 1 2.2 down 91% 100%
Alveley - 46 Daddlebrook Road CSO
Overflow on sewer network
Company site name
ALVELEY - DADDLEBROOK ROAD 46 (CSO)
EA ID / permit
SVT00067 · S/02/21992/O
Outlet location
SO7631384589 (OS grid reference) · View on Apple Maps
WFD catchment
Hampton Loade Bk - source to conf R Severn (GB109054044680)
2024 spills / hours
10 / 7.5
Long-term average
6.2 spills a year (monitored since 2021)
Investigation
No investigation activity in reporting period
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 2.2 hours spilling →
Tributary of River Severn 5 2.2 down 50% 100%
Bridge Piece CSO
Overflow on sewer network
Company site name
NORTHFIELD - BRIDGE PIECE (CSO)
EA ID / permit
SVT00344 · T/09/36303/O
Outlet location
SP0285778889 (OS grid reference) · View on Apple Maps
WFD catchment
Rea source to Bourn Brook (GB104028042510)
2024 spills / hours
2 / 1.1
Long-term average
1.2 spills a year (monitored since 2020)
Investigation
Env Act (SODRP) investigation ongoing, Operational investigation completed
Improvement
Operational improvement completed
Volume & pollution
Estimate from 2.2 hours spilling →
River Rea 1 2.2 down 50% 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.