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
Stanhope Road/Davison Road Jct CSO
Overflow on sewer network
Company site name
SMETHWICK - STANHOPE RD/DAVISON RD (CSO)
EA ID / permit
SVT02160 · T/08/35707/O
Outlet location
SP0200387287 (OS grid reference) · View on Apple Maps
WFD catchment
Hockley Brook Catchment (trib of Rea) (GB104028042640)
2024 spills / hours
4 / 1.0
Long-term average
6.0 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 8.0 hours spilling →
Thimblemill Brook 9 8.0 up 125% 100%
Shaws Green Combined Sewer Overflow
Overflow on sewer network
Company site name
DERBY - SHAWS GREEN (CSO)
EA ID / permit
SVT01988 · T/47/21249/O
Outlet location
SK3420036850 (OS grid reference) · View on Apple Maps
WFD catchment
Markeaton Brook from Mackworth Brook to Derwent (GB104028052830)
2024 spills / hours
26 / 9.5
Long-term average
99.4 spills a year (monitored since 2019)
Investigation
Env Act (SODRP) investigation ongoing, UWWTR investigation completed, Operational investigation completed
Improvement
Operational improvement completed
Volume & pollution
Estimate from 8.0 hours spilling →
Markeaton Brook 22 8.0 down 15% 100%
Beckbury Sewage Treatment Works
Storm tank at sewage works
Sewage works
Beckbury
Company site name
BECKBURY STW (SSTO)
EA ID / permit
SVT00220 · S/05/55881/R
Outlet location
SJ7590101432 (OS grid reference) · View on Apple Maps
WFD catchment
Worfe - conf Wesley Bk to conf R Severn (GB109054050260)
2024 spills / hours
30 / 28
Long-term average
27.7 spills a year (monitored since 2020)
Investigation
UWWTR investigation ongoing, Operational investigation completed
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 8.0 hours spilling →
River Worfe 10 8.0 down 67% 99%
Furlong Road CSO
Overflow on sewer network
Company site name
TUNSTALL - GREENWAY (CSO)
EA ID / permit
SVT00936 · T/01/35830/O
Outlet location
SJ8624751853 (OS grid reference) · View on Apple Maps
WFD catchment
Fowlea Brook from Source to River Trent (GB104028053360)
2024 spills / hours
10 / 1.6
Long-term average
10.8 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 7.9 hours spilling →
Scotia Brook 28 7.9 up 180% 100%
Heanor - 58 Thorpes Road CSO
Overflow on sewer network
Company site name
HEANOR -THORPES RD 58 (ALLOTMENTS) (CSO)
EA ID / permit
SVT01102 · T/61/21600/O
Outlet location
SK4291945986 (OS grid reference) · View on Apple Maps
WFD catchment
Nut Brook Catchment (trib of Erewash) (GB104028052520)
2024 spills / hours
11 / 4.1
Long-term average
9.8 spills a year (monitored since 2021)
Investigation
Operational investigation ongoing
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 7.9 hours spilling →
Tributary of Nut Brook 27 7.9 up 145% 99%
CSO at Whittington SPS
Storm discharge at pumping station
Company site name
WHITTINGTON - KESTREL CLOSE (CSO)
EA ID / permit
SVT00709 · T/22/35362/O
Outlet location
SK1663908328 (OS grid reference) · View on Apple Maps
WFD catchment
Tame from River Anker to River Trent (GB104028047050)
2024 spills / hours
7 / 7.3
Long-term average
5.4 spills a year (monitored since 2019)
Investigation
Env Act (SODRP) investigation ongoing
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 7.8 hours spilling →
Fisherwick Brook 4 7.8 down 43% 100%
Tiddington Road CSO
Overflow on sewer network
Company site name
STRATFORD - BANBURY RD/DALE AV (CSO)
EA ID / permit
SVT02322 · EPRHB3996WY
Outlet location
SP2070154829 (OS grid reference) · View on Apple Maps
WFD catchment
Avon (Wark) conf R Leam to Tramway Br, Stratford (GB109054044402)
2024 spills / hours
8 / 3.2
Long-term average
5.4 spills a year (monitored since 2019)
Investigation
Env Act (SODRP) investigation ongoing
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 7.8 hours spilling →
River Avon 7 7.8 down 13% 100%
Sutton-in-Ashfield STW
Storm tank at sewage works
Sewage works
Sutton In Ashfield
Company site name
SUTTON IN ASHFIELD STW (SSTO)
EA ID / permit
SVT02255 · T/70/45949/R
Outlet location
SK5200359800 (OS grid reference) · View on Apple Maps
WFD catchment
Maun from Source to Vicar Water (GB104028052960)
2024 spills / hours
14 / 176
Long-term average
28.0 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 7.7 hours spilling →
River Maun\Kingsmill Reservoir 2 7.7 down 86% 100%
Fallowfield Road CSO
Overflow on sewer network
Company site name
HALESOWEN - FALLOWFIELD ROAD (CSO)
EA ID / permit
SVT00884 · S/06/21187/O
Outlet location
SO9481182996 (OS grid reference) · View on Apple Maps
WFD catchment
Stour (Worcs) source to conf Smestow Bk (GB109054044750)
2024 spills / hours
6 / 3.0
Long-term average
6.0 spills a year (monitored since 2020)
Investigation
No investigation activity in reporting period
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 7.7 hours spilling →
Tributary of Lutley Gutter 5 7.7 down 17% 99%
Cole End SPS
Storm discharge at pumping station
Company site name
COLESHILL - COLE END PS (CSO)
EA ID / permit
SVT00605 · T/12/02492/O
Outlet location
SP1980089500 (OS grid reference) · View on Apple Maps
WFD catchment
Cole from Hatchford-Kingshurst Brook to R Blythe (GB104028042420)
2024 spills / hours
39 / 377
Long-term average
20.1 spills a year (monitored since 2019)
Investigation
UWWTR investigation completed, Operational investigation completed
Improvement
Operational improvement completed
Volume & pollution
Estimate from 7.7 hours spilling →
River Cole 4 7.7 down 90% 100%
Kenwood Road Sub-Catchment SSO
Overflow on sewer network
Company site name
KNIGHTON - WELFORD RD (CSO)
EA ID / permit
SVT01248 · T/52/40318/O
Outlet location
SK5970000910 (OS grid reference) · View on Apple Maps
WFD catchment
Wash Brook Catchment (trib of Soar) (GB104028046910)
2024 spills / hours
12 / 32
Long-term average
5.0 spills a year (monitored since 2022)
Investigation
Operational investigation completed
Improvement
Operational improvement completed
Volume & pollution
Estimate from 7.6 hours spilling →
Saffron Brook 4 7.6 down 67% 97%
Danzey Green SPS - Storm/Emerg 0/F
Storm discharge at pumping station
Company site name
TANWORTH-IN-ARDEN - DANZEY GRN LA (CSO)
EA ID / permit
SVT00727 · S/15/12208/O
Outlet location
SP1177070130 (OS grid reference) · View on Apple Maps
WFD catchment
Alne - source to conf Preston Bagot Bk (GB109054043830)
2024 spills / hours
30 / 126
Long-term average
18.0 spills a year (monitored since 2021)
Investigation
UWWTR investigation completed, Operational investigation completed
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 7.6 hours spilling →
River Alne 3 7.6 down 90% 100%
Kidderminster Mill Street CSO
Overflow on sewer network
Company site name
KIDDERMINSTER - MILL STREET (CSO)
EA ID / permit
SVT01257 · S/06/12243/O
Outlet location
SO8265376955 (OS grid reference) · View on Apple Maps
WFD catchment
Stour (Worcs) - conf Smestow Bk to conf R Severn (GB109054044710)
2024 spills / hours
37 / 42
Long-term average
21.0 spills a year (monitored since 2021)
Investigation
UWWTR investigation completed, Operational investigation ongoing
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 7.6 hours spilling →
River Stour 10 7.6 down 73% 94%
Matlock GREEN_MORNINGTON Rise CSO
Overflow on sewer network
Company site name
MATLOCK - MATLOCK GREEN (CSO)
EA ID / permit
SVT01514 · DT/2174
Outlet location
SK3031259771 (OS grid reference) · View on Apple Maps
WFD catchment
Bentley Brook Catchment (trib of Derwent) (GB104028052810)
2024 spills / hours
6 / 6.8
Long-term average
5.4 spills a year (monitored since 2017)
Investigation
Operational investigation completed
Improvement
Operational improvement completed
Volume & pollution
Estimate from 7.6 hours spilling →
Bentley Brook 7 7.6 up 17% 100%
Tipton - Denbigh Road (CSO)
Storm discharge at pumping station
EA ID / permit
SVT00749 · Permit application submitted
Outlet location
SO9500092000 (OS grid reference) · View on Apple Maps
WFD catchment
Tame (Oldbury Arm) - source to conf R Tame (Wton Arm) (GB104028042601)
2024 spills / hours
1 / 0.2
Long-term average
3.0 spills a year (monitored since 2019)
Monitor below 90%
Telemetry or data archiving failure / issue · Resolved - Sep
Investigation
Env Act (SODRP) investigation ongoing, Operational investigation completed
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 7.6 hours spilling →
River Tame 2 7.6 up 100% 82%
Eastern Area Sewerage Scheme
Overflow on sewer network
Company site name
STREETLY - CHESTER ROAD (CSO)
EA ID / permit
SVT00832 · TSC1120
Outlet location
SK0765800300 (OS grid reference) · View on Apple Maps
WFD catchment
Footherley Brook from Source to Black-Bourne Brook (GB104028046450)
2024 spills / hours
0 / 0.0
Long-term average
1.8 spills a year (monitored since 2021)
Investigation
Env Act (SODRP) investigation ongoing, Operational investigation completed
Improvement
Operational improvement completed
Volume & pollution
Estimate from 7.5 hours spilling →
Footherley Brook 7 7.5 up from 0 99%
Gobowen - Fernhill Lane SPS
Storm discharge at pumping station
Company site name
GOBOWEN - FERNHILL LANE (CSO)
EA ID / permit
SVT00967 · S/03/55151/O
Outlet location
SJ3080333922 (OS grid reference) · View on Apple Maps
WFD catchment
Perry - source to conf Common Bk (GB109054055010)
2024 spills / hours
9 / 62
Long-term average
4.5 spills a year (monitored since 2021)
Investigation
No investigation activity in reporting period
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 7.5 hours spilling →
River Perry 5 7.5 down 44% 99%
King Street CSO
Overflow on sewer network
Company site name
NEWCASTLE - KING STREET (CSO)
EA ID / permit
SVT01270 · T/01/35196/O
Outlet location
SJ8475046270 (OS grid reference) · View on Apple Maps
WFD catchment
Lyme Brook Catchment (trib of Trent) (GB104028053340)
2024 spills / hours
32 / 18
Long-term average
25.8 spills a year (monitored since 2020)
Investigation
Env Act (SODRP) investigation ongoing, UWWTR investigation ongoing, Operational investigation ongoing
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 7.5 hours spilling →
Tributary of Lyme Brook 19 7.5 down 41% 100%
Painswick Road Bal Tank - Storm O/F
Overflow on sewer network
Company site name
ABBEYDALE - TIMMIS CLOSE (CSO)
EA ID / permit
SVT01751 · S/20/12172/O
Outlet location
SO8536015960 (OS grid reference) · View on Apple Maps
WFD catchment
Sud Bk - source to conf R Severn (GB109054032701)
2024 spills / hours
4 / 4.3
Long-term average
2.3 spills a year (monitored since 2022)
Investigation
Operational investigation completed
Improvement
Operational improvement completed
Volume & pollution
Estimate from 7.4 hours spilling →
Sud Brook 3 7.4 down 25% 100%
Easton Avenue/Netherstowe Lane
Overflow on sewer network
Company site name
LICHFIELD - EASTERN AVENUE (CSO)
EA ID / permit
SVT00835 · T/07/36393/O
Outlet location
SK1239011360 (OS grid reference) · View on Apple Maps
WFD catchment
Pyford Brook Catchment (trib of Trent) (GB104028047250)
2024 spills / hours
26 / 11
Long-term average
10.8 spills a year (monitored since 2020)
Investigation
UWWTR investigation completed
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 7.4 hours spilling →
Curborough Brook 7 7.4 down 73% 100%
Stone - Crown Street 2 CSO
Storm discharge at pumping station
Company site name
STONE - STAFFORD ST(WALTON BRIDGE) (CSO)
EA ID / permit
SVT02210 · DT/2543
Outlet location
SJ9020032303 (OS grid reference) · View on Apple Maps
WFD catchment
Trent from Tittensor to River Sow (GB104028053272)
2024 spills / hours
10 / 3.8
Long-term average
9.3 spills a year (monitored since 2022)
Investigation
Env Act (SODRP) investigation ongoing, Operational investigation completed
Improvement
Operational improvement completed
Volume & pollution
Estimate from 7.4 hours spilling →
Receiving Water Not Defined 12 7.4 up 20% 100%
Eastern Green - Unicorn Lane CSO
Overflow on sewer network
Company site name
EASTERN GREEN - UNICORN LANE (CSO)
EA ID / permit
SVT00056 · S/11/05068/O
Outlet location
SP2896779733 (OS grid reference) · View on Apple Maps
WFD catchment
Sherbourne - source to conf R Sowe (GB109054044620)
2024 spills / hours
4 / 2.0
Long-term average
3.8 spills a year (monitored since 2021)
Investigation
Operational investigation ongoing
Improvement
UWWTR improvement completed
Volume & pollution
Estimate from 7.4 hours spilling →
Brookstray 4 7.4 no change 100%
Greasley Road 1 CSO
Overflow on sewer network
Company site name
ABBEY HULTON - GREASLEY/HOLEHOUSE RDs (CSO)
EA ID / permit
SVT00987 · T/01/35800/O
Outlet location
SJ9040048700 (OS grid reference) · View on Apple Maps
WFD catchment
Trent - Ford Green Bk to Fowlea Bk (GB104028053301)
2024 spills / hours
1 / 0.0
Long-term average
10.7 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 7.4 hours spilling →
Trib of River Trent 12 7.4 up 1100% 100%
Nechells - Long Acre 1 (CSO)
Overflow on sewer network
EA ID / permit
SVT01399 · EPRJB3399WW
Outlet location
SP0903089400 (OS grid reference) · View on Apple Maps
WFD catchment
Hockley Brook Catchment (trib of Rea) (GB104028042640)
2024 spills / hours
15 / 10
Long-term average
8.8 spills a year (monitored since 2021)
Investigation
Env Act (SODRP) investigation ongoing
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 7.4 hours spilling →
Hockley Brook 7 7.4 down 53% 99%
Old Watery Lane CSO
Overflow on sewer network
Company site name
WEDNESFIELD - WATERY LANE (CSO)
EA ID / permit
SVT01721 · T/08/35944/O
Outlet location
SO9522099235 (OS grid reference) · View on Apple Maps
WFD catchment
Tame (W/ton Arm) source to conf Oldbury (GB104028046930)
2024 spills / hours
2 / 6.1
Long-term average
45.0 spills a year (monitored since 2019)
Investigation
Env Act (SODRP) investigation ongoing, UWWTR investigation completed, Operational investigation ongoing
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 7.4 hours spilling →
Waddens Brook 5 7.4 up 150% 100%
Chaddesden Park Rd/Mayfield Rd CSO
Overflow on sewer network
Company site name
CHADDESDEN - CHADDESDEN PARK ROAD (CSO)
EA ID / permit
SVT00503 · T/48/22374/O
Outlet location
SK3798336328 (OS grid reference) · View on Apple Maps
WFD catchment
Chaddesden Brook Catchment (trib of Derwent) (GB104028052430)
2024 spills / hours
20 / 5.4
Long-term average
10.3 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 7.3 hours spilling →
Chaddesden Brook 25 7.3 up 25% 100%
Yardley - Newbridge Rd CSO
Overflow on sewer network
Company site name
YARDLEY - NEWBRIDGE ROAD (CSO)
EA ID / permit
SVT02646 · T/12/21252/O
Outlet location
SP1220486441 (OS grid reference) · View on Apple Maps
WFD catchment
Cole from Springfield to Hatchford-Kingshurst Brook (GB104028042502)
2024 spills / hours
24 / 39
Long-term average
16.4 spills a year (monitored since 2021)
Investigation
UWWTR investigation ongoing, Operational investigation completed
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 7.3 hours spilling →
River Cole 8 7.3 down 67% 100%
Barlaston Old Road CSO
Overflow on sewer network
Company site name
BARLASTON - OLD ROAD (CSO)
EA ID / permit
SVT00177 · T/01/12326/O
Outlet location
SJ8818338520 (OS grid reference) · View on Apple Maps
WFD catchment
Trent from Fowlea Brook to Tittensor (GB104028053271)
2024 spills / hours
10 / 6.4
Long-term average
11.5 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 7.2 hours spilling →
Tributary of River Trent 27 7.2 up 170% 99%
Goscote Lane CSO
Overflow on sewer network
Company site name
WALSALL - GOSCOTE LANE OPP 72 (CSO)
EA ID / permit
SVT00976 · T/08/36217/O
Outlet location
SK0223400991 (OS grid reference) · View on Apple Maps
WFD catchment
Ford Brook from Source to River Tame (GB104028046990)
2024 spills / hours
11 / 7.5
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 7.2 hours spilling →
Ford Brook 10 7.2 down 9% 100%
Penkhull New Road CSO
Overflow on sewer network
Company site name
PENKHULL - PENKHULL NEW ROAD (CSO)
EA ID / permit
SVT01779 · T/01/21322/O
Outlet location
SJ8785744413 (OS grid reference) · View on Apple Maps
WFD catchment
Trent from Fowlea Brook to Tittensor (GB104028053271)
2024 spills / hours
81 / 70
Long-term average
58.6 spills a year (monitored since 2019)
Investigation
Env Act (SODRP) investigation ongoing, UWWTR investigation completed, Operational investigation completed
Improvement
Operational improvement completed
Volume & pollution
Estimate from 7.2 hours spilling →
River Trent 10 7.2 down 88% 99%
Dudley - St James'S Rd CSO
Overflow on sewer network
Company site name
DUDLEY - ST JAMES ROAD (CSO)
EA ID / permit
SVT00799 · T/08/35766/O
Outlet location
SO9495591782 (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
0.4 spills a year (monitored since 2021)
Investigation
Env Act (SODRP) investigation ongoing, Operational investigation ongoing
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 7.2 hours spilling →
Dudley Canal 2 7.2 up from 0 100%
Forest Town - Main Avenue CSO
Overflow on sewer network
Company site name
FOREST TOWN - MAIN AVENUE (CSO)
EA ID / permit
SVT00917 · T/70/40313/O
Outlet location
SK5780762246 (OS grid reference) · View on Apple Maps
WFD catchment
Vicar Water from Source to Maun (GB104028052950)
2024 spills / hours
13 / 5.4
Long-term average
22.4 spills a year (monitored since 2021)
Investigation
Env Act (SODRP) investigation ongoing, UWWTR investigation ongoing, Operational investigation ongoing
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 7.2 hours spilling →
Vicar Water 21 7.2 up 62% 100%
Bawtry Road Pumping Station
Storm discharge at pumping station
Company site name
BLYTH - BAWTRY ROAD (SSO)
EA ID / permit
SVT00208 · T/77/40271/O
Outlet location
SK6251088720 (OS grid reference) · View on Apple Maps
WFD catchment
Ryton from Anston Brook to Idle (GB104028058100)
2024 spills / hours
3 / 2.8
Long-term average
3.0 spills a year (monitored since 2021)
Investigation
Operational investigation ongoing
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 7.1 hours spilling →
Trib of River Ryton 3 7.1 no change 100%
Goodwood Place CSO
Overflow on sewer network
Company site name
TRENTHAM - GOODWOOD PLACE (CSO)
EA ID / permit
SVT00973 · T/01/35956/O
Outlet location
SJ8741041275 (OS grid reference) · View on Apple Maps
WFD catchment
Longton Bk - source to R Trent (GB104028053273)
2024 spills / hours
13 / 21
Long-term average
9.9 spills a year (monitored since 2019)
Investigation
Env Act (SODRP) investigation ongoing, UWWTR investigation completed
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 7.1 hours spilling →
Longton Brook 9 7.1 down 31% 100%
Moat Brook Pumping Station
Storm discharge at pumping station
Company site name
CODSALL - MOATBROOK LANE (SSO)
EA ID / permit
SVT01577 · T/03/35469/O
Outlet location
SJ8600003850 (OS grid reference) · View on Apple Maps
WFD catchment
Penk from Source toSaredon Brook (GB104028046680)
2024 spills / hours
7 / 44
Long-term average
4.8 spills a year (monitored since 2022)
Investigation
Env Act (SODRP) investigation ongoing, Operational investigation completed
Improvement
Operational improvement completed
Volume & pollution
Estimate from 7.1 hours spilling →
Trib of River Penk 5 7.1 down 29% 100%
Markeaton Lane CSO
Overflow on sewer network
Company site name
ALLESTREE - KEDLESTON RD (CSO)
EA ID / permit
SVT01497 · Unpermitted
Outlet location
SK3326038010 (OS grid reference) · View on Apple Maps
WFD catchment
Markeaton Brook from Source to Mackworth Brook (GB104028052850)
2024 spills / hours
11 / 8.0
Long-term average
16.3 spills a year (monitored since 2019)
Investigation
UWWTR investigation ongoing, Operational investigation completed
Improvement
Operational improvement completed
Volume & pollution
Estimate from 7.1 hours spilling →
Markeaton Brook 11 7.1 no change 100%
Sherwood - Valley Rd-Edwards Ln CSO
Overflow on sewer network
Company site name
SHERWOOD - VALLEY RD/EDWARDS LANE (CSO)
EA ID / permit
SVT02014 · T/63/08437/O
Outlet location
SK5711343811 (OS grid reference) · View on Apple Maps
WFD catchment
Day Brook Catchment (trib of Leen) (GB104028052860)
2024 spills / hours
4 / 6.1
Long-term average
9.6 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 7.1 hours spilling →
Day Brook 12 7.1 up 200% 100%
Asfordby,Kirby Bellars,Rotherby Pss
Storm discharge at pumping station
Company site name
ROTHERBY - MAIN STREET (SSO)
EA ID / permit
SVT00115 · T/55/02241/O
Outlet location
SK7060018700 (OS grid reference) · View on Apple Maps
WFD catchment
Eye / Wreake from Langham Brook to Soar (GB104028047550)
2024 spills / hours
5 / 56
Long-term average
56.3 spills a year (monitored since 2020)
Investigation
Env Act (SODRP) investigation ongoing, UWWTR investigation ongoing, Operational investigation completed
Improvement
Operational improvement completed
Volume & pollution
Estimate from 7.0 hours spilling →
River Wreake 2 7.0 down 60% 93%
East of Railway Line CSO
Overflow on sewer network
Company site name
BARLASTON - FIELD EAST OF RAILWAY (CSO)
EA ID / permit
SVT00829 · T/01/20998/O
Outlet location
SJ8877538561 (OS grid reference) · View on Apple Maps
WFD catchment
Trent from Tittensor to River Sow (GB104028053272)
2024 spills / hours
12 / 26
Long-term average
9.5 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 7.0 hours spilling →
Trib of Trent and Mersey Canal 4 7.0 down 67% 100%
New Street CSO
Overflow on sewer network
Company site name
GLASCOTE - NEW STREET (CSO)
EA ID / permit
SVT00950 · T/21/03151/O
Outlet location
SK2171204465 (OS grid reference) · View on Apple Maps
WFD catchment
Anker from River Sence to River Tame (GB104028046460)
2024 spills / hours
12 / 9.9
Long-term average
11.3 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 7.0 hours spilling →
Trib of River Anker 10 7.0 down 17% 100%
Wednesbury Road/Oxford Street CSO
Overflow on sewer network
Company site name
PLECK - WEDNESBURY ROAD (CSO)
EA ID / permit
SVT02478 · T/08/35911/O
Outlet location
SP0053597244 (OS grid reference) · View on Apple Maps
WFD catchment
Ford Brook from Source to River Tame (GB104028046990)
2024 spills / hours
5 / 7.2
Long-term average
6.6 spills a year (monitored since 2019)
Investigation
No investigation activity in reporting period
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 7.0 hours spilling →
Ford Brook 13 7.0 up 160% 100%
Bullfurlong Lane CSO
Overflow on sewer network
Company site name
BURBAGE - BULLFURLONG LANE (CSO)
EA ID / permit
SVT00405 · T/50/45424/O
Outlet location
SP4378991789 (OS grid reference) · View on Apple Maps
WFD catchment
Soar Brook from Source to Soar (GB104028042590)
2024 spills / hours
19 / 13
Long-term average
14.4 spills a year (monitored since 2019)
Investigation
UWWTR investigation ongoing
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 7.0 hours spilling →
Tributary of Soar Brook 13 7.0 down 32% 100%
Whitwell Sewage Treatment Works
Storm tank at sewage works
Sewage works
Whitwell
Company site name
WHITWELL STW (SSTO)
EA ID / permit
SVT02548 · 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 / 11
Long-term average
21.3 spills a year (monitored since 2020)
Investigation
UWWTR investigation ongoing, Operational investigation ongoing
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 7.0 hours spilling →
Tributary of Millwood Brook 14 7.0 down 18% 100%
Manor Road CSO
Overflow on sewer network
Company site name
PENN - LINTON ROAD (CSO)
EA ID / permit
SVT01477 · S/06/12285/O
Outlet location
SO8929396463 (OS grid reference) · View on Apple Maps
WFD catchment
Merryhill Bk - source to conf Wom-Penn Bk (GB109054044811)
2024 spills / hours
11 / 13
Long-term average
10.3 spills a year (monitored since 2020)
Investigation
UWWTR investigation ongoing, Operational investigation ongoing
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 6.9 hours spilling →
Warstones Brook 10 6.9 down 9% 100%
Yardley Wood Road CSO
Overflow on sewer network
Company site name
WAKE GREEN - YARDLEY WOOD RD (CSO)
EA ID / permit
SVT02651 · T/12/02757/O
Outlet location
SP0924682045 (OS grid reference) · View on Apple Maps
WFD catchment
Cole from Springfield to Hatchford-Kingshurst Brook (GB104028042502)
2024 spills / hours
26 / 107
Long-term average
19.8 spills a year (monitored since 2020)
Investigation
UWWTR investigation completed, Operational investigation completed
Improvement
Operational improvement ongoing
Volume & pollution
Estimate from 6.9 hours spilling →
Tributary of River Cole 1 6.9 down 96% 100%
Cannock Road - Kingsway CSO
Overflow on sewer network
Company site name
HEDNESFORD - KINGSWAY (CSO)
EA ID / permit
SVT01730 · TSC400
Outlet location
SJ9944111899 (OS grid reference) · View on Apple Maps
WFD catchment
Saredon Brook from Source to River Penk (GB104028046740)
2024 spills / hours
17 / 8.1
Long-term average
17.7 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 6.7 hours spilling →
Tributary of Ridings Brook 18 6.7 up 6% 100%
Witton Road Combined Sewer Overflow
Overflow on sewer network
Company site name
WITTON - WITTON ROAD (CSO)
EA ID / permit
SVT02584 · Permit application submitted
Outlet location
SP0801090550 (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
2.0 spills a year (monitored since 2022)
Investigation
Env Act (SODRP) investigation ongoing, Operational investigation completed
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 6.7 hours spilling →
River Rea 4 6.7 up from 0 100%
Mansfield Woodhouse - Leeming Lane (CSO)
Overflow on sewer network
EA ID / permit
SVT00100 · EPRJB3998VS
Outlet location
SK5470064100 (OS grid reference) · View on Apple Maps
WFD catchment
Meden from Source to Sookholme Brook (GB104028058020)
2024 spills / hours
13 / 8.7
Long-term average
15.4 spills a year (monitored since 2021)
Investigation
UWWTR investigation completed, Operational investigation ongoing
Improvement
UWWTR improvement completed
Volume & pollution
Estimate from 6.7 hours spilling →
The Leas Brook 12 6.7 down 8% 100%
Coalville - Greenhill Rd (CSO)
Overflow on sewer network
EA ID / permit
SVT01000 · EPRKB3190AJ
Outlet location
SK4519214171 (OS grid reference) · View on Apple Maps
WFD catchment
Grace Dieu Brook Catchment (trib of Black Brook) (GB104028047090)
2024 spills / hours
4 / 4.6
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 6.7 hours spilling →
Grace Dieu Brook 3 6.7 down 25% 100%
Doncaster Rd CSO
Overflow on sewer network
Company site name
SCUNTHORPE - DONCASTER RD (CSO)
EA ID / permit
SVT01964 · EPRHB3990WT
Outlet location
SE8680511428 (OS grid reference) · View on Apple Maps
WFD catchment
Humber estuary TRaC (GB530402609203)
2024 spills / hours
15 / 41
Long-term average
25.8 spills a year (monitored since 2021)
Investigation
UWWTR investigation ongoing, Operational investigation completed
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 6.7 hours spilling →
Crosby Catchwater Drain 11 6.7 down 27% 99%

Sewage treatment works

Storm tanks and inlet overflows at each Severn Trent Water sewage works. The figures are 2025 spills.

← All water companies · Contains Environment Agency data licensed under the Open Government Licence v3.0. How to read the data.