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

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.

Overflow	Discharges to	Spills 2025	Hours 2025	Spills vs 2024	Monitor uptime
Five Ways - Spring Street CSO Overflow on sewer network Company site name FIVE WAYS - SPRING STREET (CSO) EA ID / permit SVT00236 · DT/9835 Outlet location SP0739685240 (OS grid reference) · View on Apple Maps WFD catchment Rea from Bourn Brook to River Tame (GB104028042550) 2024 spills / hours 22 / 8.7 Long-term average 5.6 spills a year (monitored since 2021) Investigation Env Act (SODRP) investigation ongoing, Operational investigation completed Improvement Operational improvement ongoing Volume & pollution Estimate from 1.0 hours spilling →	River Rea	3	1.0	down 86%	96%
Skegby - Mansfield Road SSO Overflow on sewer network Company site name SKEGBY - MANSFIELD ROAD (CSO) EA ID / permit SVT02057 · T/71/07325/O Outlet location SK4961161098 (OS grid reference) · View on Apple Maps WFD catchment Meden from Source to Sookholme Brook (GB104028058020) 2024 spills / hours 12 / 10 Long-term average 9.4 spills a year (monitored since 2021) Investigation UWWTR investigation ongoing, Operational investigation completed Improvement No improvement action in reporting period Volume & pollution Estimate from 1.0 hours spilling →	Tributary of River Meden	6	1.0	down 50%	98%
Whitmore Road CSO Overflow on sewer network Company site name TRENTHAM - WHITMORE RD/PARK DRIVE (CSO) EA ID / permit SVT02543 · T/01/35644/O Outlet location SJ8649041300 (OS grid reference) · View on Apple Maps WFD catchment Trent from Fowlea Brook to Tittensor (GB104028053271) 2024 spills / hours 14 / 4.9 Long-term average 7.5 spills a year (monitored since 2022) Investigation Env Act (SODRP) investigation ongoing Improvement No improvement action in reporting period Volume & pollution Estimate from 1.0 hours spilling →	River Trent	5	1.0	down 64%	100%
Smith Street/Hockley Street Jct CSO Overflow on sewer network Company site name NEWTOWN - SMITH ST/HOCKLEY ST (CSO) EA ID / permit SVT02071 · T/09/21165/O Outlet location SP0663188826 (OS grid reference) · View on Apple Maps WFD catchment Hockley Brook Catchment (trib of Rea) (GB104028042640) 2024 spills / hours 2 / 0.3 Long-term average 21.3 spills a year (monitored since 2019) Investigation Env Act (SODRP) investigation ongoing, UWWTR investigation ongoing Improvement No improvement action in reporting period Volume & pollution Estimate from 1.0 hours spilling →	Hockley Brook	11	1.0	up 450%	100%
Stroud Road CSO Overflow on sewer network Company site name TUFFLEY - STROUD ROAD 389 (CSO) EA ID / permit SVT02241 · S/20/23155/O Outlet location SO8318214191 (OS grid reference) · View on Apple Maps WFD catchment Severn River and Trib Estuary (GB530905415403) 2024 spills / hours 10 / 8.3 Long-term average 14.6 spills a year (monitored since 2019) Investigation UWWTR investigation completed, Operational investigation completed Improvement Operational improvement completed Volume & pollution Estimate from 1.0 hours spilling →	Whaddon Brook	5	1.0	down 50%	99%
Norbury Sewage Treatment Works Storm tank at sewage works Sewage works Norbury Company site name NORBURY (STW) EA ID / permit SVT01660 · S/04/55587/R Outlet location SJ7835723199 (OS grid reference) · View on Apple Maps WFD catchment Meese - Aqualate Mere tributaries (GB109054050190) 2024 spills / hours 14 / 4.3 Long-term average 9.8 spills a year (monitored since 2021) Investigation UWWTR investigation ongoing Improvement No improvement action in reporting period Volume & pollution Estimate from 1.0 hours spilling →	Tributary of Wood Brook	3	1.0	down 79%	100%
Grange Road CSO Overflow on sewer network Company site name DORRIDGE - GRANGE ROAD/MANOR RD (CSO) EA ID / permit SVT00781 · T/11/00523/O Outlet location SP1676674747 (OS grid reference) · View on Apple Maps WFD catchment Cuttle Brook from Source to River Blythe (GB104028042390) 2024 spills / hours 0 / 0.0 Long-term average 2.1 spills a year (monitored since 2019) Investigation Env Act (SODRP) investigation ongoing Improvement No improvement action in reporting period Volume & pollution Estimate from 1.0 hours spilling →	Tributary of Cuttle Brook	2	1.0	up from 0	100%
Small Heath - Muntz St CSO Overflow on sewer network Company site name SMALL HEATH - MUNTZ STREET (CSO) EA ID / permit SVT02066 · T/12/21539/O Outlet location SP1133585324 (OS grid reference) · View on Apple Maps WFD catchment Cole from Springfield to Hatchford-Kingshurst Brook (GB104028042502) 2024 spills / hours 2 / 1.4 Long-term average 2.2 spills a year (monitored since 2021) Investigation No investigation activity in reporting period Improvement No improvement action in reporting period Volume & pollution Estimate from 1.0 hours spilling →	River Cole	2	1.0	no change	100%
Two Dales - Greenway/Oddford Ln CSO Overflow on sewer network Company site name TWO DALES - GREENWAY LN/ODDFORD LN (CSO) EA ID / permit SVT02357 · EPRQB3394NU Outlet location SK2750762411 (OS grid reference) · View on Apple Maps WFD catchment Derwent from Wye to Amber (GB104028052390) 2024 spills / hours 9 / 1.8 Long-term average 7.8 spills a year (monitored since 2020) Investigation Operational investigation ongoing Improvement No improvement action in reporting period Volume & pollution Estimate from 1.0 hours spilling →	Warney Brook	6	1.0	down 33%	100%
London Road CSO Overflow on sewer network Company site name LONDON RD (CSO) EA ID / permit SVT01396 · T/74/21615/O Outlet location SK7118079282 (OS grid reference) · View on Apple Maps WFD catchment Idle from Maun/Poulter to Tiln (GB104028058091) 2024 spills / hours 6 / 35 Long-term average 14.9 spills a year (monitored since 2019) Investigation UWWTR investigation ongoing, Operational investigation completed Improvement Operational improvement completed Volume & pollution Estimate from 1.0 hours spilling →	Trib of River Idle	6	1.0	no change	100%
Birmingham New Road CSO Overflow on sewer network Company site name TIPTON - BIRMINGHAM NEW RD/BAKER ST (CSO) EA ID / permit SVT00273 · T/08/21536/O Outlet location SO9513991649 (OS grid reference) · View on Apple Maps WFD catchment Tame (Oldbury Arm) - source to conf R Tame (Wton Arm) (GB104028042601) 2024 spills / hours 1 / 0.4 Long-term average 3.0 spills a year (monitored since 2019) Investigation Env Act (SODRP) investigation ongoing Improvement No improvement action in reporting period Volume & pollution Estimate from 0.9 hours spilling →	Tributary of Birmingham Canal	5	0.9	up 400%	99%
Holte Road Combined Sewer Overflow Overflow on sewer network Company site name ASTON - HOLTE ROAD (CSO) EA ID / permit SVT01169 · NPSWQD010065 Outlet location SP0836590170 (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 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 0.9 hours spilling →	River Tame	1	0.9	up from 0	100%
Station Road CSO Overflow on sewer network Company site name DARLEY DALE - STATION ROAD (CSO) EA ID / permit SVT00738 · EPRLB3497EQ Outlet location SK2756562133 (OS grid reference) · View on Apple Maps WFD catchment Derwent from Wye to Amber (GB104028052390) 2024 spills / hours 2 / 0.1 Long-term average 7.0 spills a year (monitored since 2019) Investigation Operational investigation ongoing Improvement No improvement action in reporting period Volume & pollution Estimate from 0.9 hours spilling →	River Derwent	6	0.9	up 200%	99%
Scunthorpe - Briar Way (SSO) Storm discharge at pumping station EA ID / permit SVT01971 · Unpermitted Outlet location SE9191012210 (OS grid reference) · View on Apple Maps WFD catchment Bottesford Beck Catchment (trib of Trent) (GB104028064290) 2024 spills / hours 1 / 0.3 Long-term average 0.6 spills a year (monitored since 2021) Investigation Env Act (SODRP) investigation ongoing Improvement No improvement action in reporting period Volume & pollution Estimate from 0.9 hours spilling →	Bottesford Beck Culvert	1	0.9	no change	100%
Gobowen Road CSO Overflow on sewer network Company site name OSWESTRY - GOBOWEN/WHITTINGTON RD (CSO) EA ID / permit SVT00969 · S/03/21272/O Outlet location SJ3097930239 (OS grid reference) · View on Apple Maps WFD catchment Common Bk - source to conf R Perry (GB109054054960) 2024 spills / hours 7 / 2.7 Long-term average 6.4 spills a year (monitored since 2019) Investigation Operational investigation ongoing Improvement No improvement action in reporting period Volume & pollution Estimate from 0.9 hours spilling →	A Trib of Common Brook	4	0.9	down 43%	100%
Heanor - Burns Street CSO Overflow on sewer network Company site name HEANOR - BURNS STREET (ALLOTMENTS) (CSO) EA ID / permit SVT00420 · T/61/46407/O Outlet location SK4307847069 (OS grid reference) · View on Apple Maps WFD catchment Bailey Brook Catchment (trib of Erewash) (GB104028052590) 2024 spills / hours 8 / 2.4 Long-term average 6.6 spills a year (monitored since 2021) Investigation Env Act (SODRP) investigation ongoing Improvement No improvement action in reporting period Volume & pollution Estimate from 0.9 hours spilling →	Trib of Bailey Brook	1	0.9	down 88%	100%
Wellington Road/Villiers Street CSO Overflow on sewer network Company site name WINSON GREEN - WELLINGTON RD (CSO) EA ID / permit SVT02492 · T/09/21429/O Outlet location SP0389388498 (OS grid reference) · View on Apple Maps WFD catchment Hockley Brook Catchment (trib of Rea) (GB104028042640) 2024 spills / hours 3 / 0.8 Long-term average 5.7 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 0.9 hours spilling →	Tributary of Hockley Brook	4	0.9	up 33%	100%
Maltby Crags CSO Overflow on sewer network Company site name MALTBY - BLYTH ROAD/MEADOW LANE 2 (CSO) EA ID / permit SVT01465 · T/83/40035/O Outlet location SK5302891649 (OS grid reference) · View on Apple Maps WFD catchment Oldcotes Dyke Catchment (trib of Ryton) (GB104028058230) 2024 spills / hours 3 / 3.3 Long-term average 2.3 spills a year (monitored since 2019) Investigation Operational investigation completed Improvement No improvement action in reporting period Volume & pollution Estimate from 0.9 hours spilling →	Maltby Dyke	2	0.9	down 33%	100%
Odstone Sewage Pumping Station Storm discharge at pumping station Company site name ODSTONE PS (CSO) EA ID / permit SVT01702 · T/20/00916/O Outlet location SK3901208189 (OS grid reference) · View on Apple Maps WFD catchment Ibstock Brook from Source to River Sence (GB104028046700) 2024 spills / hours 3 / 6.9 Long-term average 10.8 spills a year (monitored since 2021) Investigation UWWTR investigation completed, Operational investigation completed Improvement Operational improvement completed Volume & pollution Estimate from 0.9 hours spilling →	Tributary of River Sence	2	0.9	down 33%	100%
Thrumpton Sewage Treatment Works Inlet overflow at sewage works Sewage works Thrumpton Company site name THRUMPTON STW (CSO) EA ID / permit SVT02312 · T/49/45285/R Outlet location SK5093931496 (OS grid reference) · View on Apple Maps WFD catchment Trent from Soar to The Beck (GB104028053110) 2024 spills / hours 3 / 35 Long-term average 18.5 spills a year (monitored since 2020) Investigation UWWTR investigation completed, Operational investigation completed Improvement No improvement action in reporting period Volume & pollution Estimate from 0.9 hours spilling →	River Trent	2	0.9	down 33%	98%
Bilston - Bunkers Hill Lane (CSO) Overflow on sewer network EA ID / permit SVT02696 · Unpermitted Outlet location SO9549697212 (OS grid reference) · View on Apple Maps WFD catchment Tame (W/ton Arm) source to conf Oldbury (GB104028046930) 2024 spills / hours 2 / 0.4 Long-term average 3.0 spills a year (monitored since 2025) Investigation Operational investigation completed Improvement No improvement action in reporting period Volume & pollution Estimate from 0.9 hours spilling →	Unnamed Drain	3	0.9	up 50%	100%
Boughey Road CSO Overflow on sewer network Company site name HANLEY - BOUGHEY ROAD (CSO) EA ID / permit SVT00312 · T/01/21318/O Outlet location SJ8829645444 (OS grid reference) · View on Apple Maps WFD catchment Trent - Ford Green Bk to Fowlea Bk (GB104028053301) 2024 spills / hours 9 / 3.3 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 0.9 hours spilling →	River Trent	4	0.9	down 56%	92%
Northwood Lane CSO Overflow on sewer network Company site name NORTHWOOD - NORTHWOOD LANE (CSO) EA ID / permit SVT01672 · T/40/21263/O Outlet location SK2632364722 (OS grid reference) · View on Apple Maps WFD catchment Derwent from Wye to Amber (GB104028052390) 2024 spills / hours 4 / 0.9 Long-term average 7.9 spills a year (monitored since 2019) Investigation No investigation activity in reporting period Improvement No improvement action in reporting period Volume & pollution Estimate from 0.9 hours spilling →	Trib of River Derwent	4	0.9	no change	91%
Shelton New Road CSO Overflow on sewer network Company site name HANLEY - SHELTON NEW ROAD (CSO) EA ID / permit SVT02000 · T/01/21508/O Outlet location SJ8688346242 (OS grid reference) · View on Apple Maps WFD catchment Fowlea Brook from Source to River Trent (GB104028053360) 2024 spills / hours 4 / 0.4 Long-term average 4.4 spills a year (monitored since 2019) Investigation Env Act (SODRP) investigation ongoing Improvement No improvement action in reporting period Volume & pollution Estimate from 0.9 hours spilling →	Fowlea Brook	4	0.9	no change	99%
Thorpes Road CSO Overflow on sewer network Company site name HEANOR - THORPES ROAD 83 (CSO) EA ID / permit SVT02311 · T/61/21510/O Outlet location SK4299645937 (OS grid reference) · View on Apple Maps WFD catchment Nut Brook Catchment (trib of Erewash) (GB104028052520) 2024 spills / hours 5 / 1.4 Long-term average 6.3 spills a year (monitored since 2019) Investigation Operational investigation completed Improvement No improvement action in reporting period Volume & pollution Estimate from 0.9 hours spilling →	Trib of Nut Brook Canal	3	0.9	down 40%	97%
Wagon Lane Area Overflow on sewer network Company site name OLTON - WAGON LANE (CSO) EA ID / permit SVT02422 · DT/9735 Outlet location SP1432084040 (OS grid reference) · View on Apple Maps WFD catchment Hatchford-Kingshurst Brook from Source to R Cole (GB104028042490) 2024 spills / hours 5 / 1.8 Long-term average 3.9 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 0.9 hours spilling →	Not Defined	2	0.9	down 60%	98%
Ilkeston - Manor View CSO Overflow on sewer network Company site name ILKESTON - MANOR VIEW (CSO) EA ID / permit SVT01204 · T/61/45127/O Outlet location SK4540441436 (OS grid reference) · View on Apple Maps WFD catchment Nut Brook Catchment (trib of Erewash) (GB104028052520) 2024 spills / hours 14 / 16 Long-term average 14.2 spills a year (monitored since 2021) Investigation UWWTR investigation completed Improvement No improvement action in reporting period Volume & pollution Estimate from 0.9 hours spilling →	Nut Brook Canal	4	0.9	down 71%	100%
Harrington St/Holcombe St CSO Overflow on sewer network Company site name PEAR TREE - HARRINGTON/HOLCOMBE ST (CSO) EA ID / permit SVT01069 · T/48/21251/O Outlet location SK3570734050 (OS grid reference) · View on Apple Maps WFD catchment Derwent from Bottle Brook to Trent (GB104028053240) 2024 spills / hours 2 / 0.8 Long-term average 25.0 spills a year (monitored since 2020) Investigation UWWTR investigation ongoing Improvement No improvement action in reporting period Volume & pollution Estimate from 0.9 hours spilling →	Cotton Brook	3	0.9	up 50%	99%
Wigston - Blaby Rd (CSO) Overflow on sewer network EA ID / permit SVT02553 · EPRTB3798VK Outlet location SP5857597706 (OS grid reference) · View on Apple Maps WFD catchment Sence from Countesthorpe Brook to Soar (GB104028046870) 2024 spills / hours 37 / 61 Long-term average 33.8 spills a year (monitored since 2021) Investigation UWWTR investigation ongoing, Operational investigation completed Improvement Operational improvement completed Volume & pollution Estimate from 0.8 hours spilling →	River Sence	3	0.8	down 92%	100%
Cross Street CSO Overflow on sewer network Company site name KINGSWINFORD - CROSS STREET (CSO) EA ID / permit SVT00690 · S/06/21299/O Outlet location SO8819989263 (OS grid reference) · View on Apple Maps WFD catchment Smestow Bk - Wom-Penn Bk to conf R Stour (GB109054044781) 2024 spills / hours 5 / 3.8 Long-term average 1.3 spills a year (monitored since 2019) Investigation No investigation activity in reporting period Improvement No improvement action in reporting period Volume & pollution Estimate from 0.8 hours spilling →	Dawley Brook	3	0.8	down 40%	95%
Cruckton-5 Church Close (CSO) Overflow on sewer network EA ID / permit SVT00699 · Permit application submitted Outlet location SJ4318610043 (OS grid reference) · View on Apple Maps WFD catchment Westbury Bk - source to conf Rea Bk (GB109054049640) 2024 spills / hours 4 / 14 Long-term average 1.8 spills a year (monitored since 2022) Investigation No investigation activity in reporting period Improvement No improvement action in reporting period Volume & pollution Estimate from 0.8 hours spilling →	Drain to Rea Brook	1	0.8	down 75%	99%
Fenton - Heron Street (CSO) Overflow on sewer network EA ID / permit SVT00894 · Permit application submitted Outlet location SJ8924944131 (OS grid reference) · View on Apple Maps WFD catchment Trent from Fowlea Brook to Tittensor (GB104028053271) 2024 spills / hours 5 / 1.8 Long-term average 6.5 spills a year (monitored since 2022) Investigation Env Act (SODRP) investigation ongoing, Operational investigation ongoing Improvement No improvement action in reporting period Volume & pollution Estimate from 0.8 hours spilling →	Local Ditch	2	0.8	down 60%	100%
St Austins Street Storm Overflow Overflow on sewer network Company site name SHREWSBURY - CLAREMONT BANK (HIGH) (CSO) EA ID / permit SVT02143 · S/02/21021/O Outlet location SJ4882012720 (OS grid reference) · View on Apple Maps WFD catchment Severn - conf Bele Bk to conf Sundorne Bk (GB109054049142) 2024 spills / hours 8 / 41 Long-term average 7.5 spills a year (monitored since 2024) Investigation Env Act (SODRP) investigation ongoing, Operational investigation ongoing Improvement No improvement action in reporting period Volume & pollution Estimate from 0.8 hours spilling →	River Severn	7	0.8	down 13%	93%
Dunchurch Sewage Treatment Works Storm tank at sewage works Sewage works Dunchurch Company site name DUNCHURCH (STW) EA ID / permit SVT00805 · S/12/26162/R Outlet location SP4719069957 (OS grid reference) · View on Apple Maps WFD catchment Leam - conf Rains Bk to conf R Itchen (GB109054044130) 2024 spills / hours 4 / 12 Long-term average 7.8 spills a year (monitored since 2021) Investigation UWWTR investigation completed, Operational investigation completed Improvement Operational improvement completed Volume & pollution Estimate from 0.8 hours spilling →	Tributary of River Leam	1	0.8	down 75%	99%
Radstock Avenue Overflow on sewer network Company site name WASHWOOD HEATH - BROMFORD LANE (CSO) EA ID / permit SVT01854 · T/10/09369/O Outlet location SP1165089470 (OS grid reference) · View on Apple Maps WFD catchment Tame - R Rea to R Blythe (GB104028046841) 2024 spills / hours 13 / 4.7 Long-term average 11.5 spills a year (monitored since 2020) Investigation Env Act (SODRP) investigation ongoing, UWWTR investigation completed, Operational investigation ongoing Improvement No improvement action in reporting period Volume & pollution Estimate from 0.8 hours spilling →	River Tame	4	0.8	down 69%	100%
Oswestry Gobowen Rd-Beatrice St CSO Overflow on sewer network Company site name OSWESTRY - GOBOWEN RD/BEATRICE ST (CSO) EA ID / permit SVT01736 · S/03/21273/O Outlet location SJ3097430237 (OS grid reference) · View on Apple Maps WFD catchment Common Bk - source to conf R Perry (GB109054054960) 2024 spills / hours 4 / 1.3 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 0.8 hours spilling →	Tributary of Common Brook	1	0.8	down 75%	92%
East Markham - Quakefield Rd (CSO) Overflow on sewer network EA ID / permit SVT01834 · Permit application submitted Outlet location SK7460672494 (OS grid reference) · View on Apple Maps WFD catchment Tuxford Beck Catchment (trib of North Beck) (GB104028058320) 2024 spills / hours 4 / 1.9 Long-term average 8.6 spills a year (monitored since 2021) Investigation Operational investigation completed Improvement Operational improvement completed Volume & pollution Estimate from 0.8 hours spilling →	Tuxford Beck	4	0.8	no change	100%
Gobowen - St Martins Road (CSO) Overflow on sewer network EA ID / permit SVT00968 · Permit application submitted Outlet location SJ3048734159 (OS grid reference) · View on Apple Maps WFD catchment Perry - source to conf Common Bk (GB109054055010) 2024 spills / hours 2 / 2.2 Long-term average 3.3 spills a year (monitored since 2022) Investigation No investigation activity in reporting period Improvement No improvement action in reporting period Volume & pollution Estimate from 0.8 hours spilling →	River Perry	2	0.8	no change	100%
Newcastle U Lyme - Milehouse Ln (CSO) Overflow on sewer network EA ID / permit SVT01081 · EPRKB3099VF Outlet location SJ8503347416 (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 3.0 spills a year (monitored since 2021) Investigation Env Act (SODRP) investigation ongoing, UWWTR investigation completed Improvement No improvement action in reporting period Volume & pollution Estimate from 0.8 hours spilling →	Lyme Brook	5	0.8	up from 0	99%
Bulwell - Main Street/Carey Rd CSO Overflow on sewer network Company site name BULWELL - MAIN STREET/CAREY ROAD (CSO) EA ID / permit SVT00407 · T/63/40225/O Outlet location SK5403345080 (OS grid reference) · View on Apple Maps WFD catchment Leen from Source to Day Brook (GB104028052880) 2024 spills / hours 6 / 2.3 Long-term average 6.4 spills a year (monitored since 2021) Investigation No investigation activity in reporting period Improvement No improvement action in reporting period Volume & pollution Estimate from 0.8 hours spilling →	River Leen	2	0.8	down 67%	100%
Lindon Road Storm CSO Overflow on sewer network Company site name BROWNHILLS - LINDON ROAD (CSO) EA ID / permit SVT01369 · T/08/30021/O Outlet location SK0428304937 (OS grid reference) · View on Apple Maps WFD catchment Ford Brook from Source to River Tame (GB104028046990) 2024 spills / hours 0 / 0.0 Long-term average 2.7 spills a year (monitored since 2019) Investigation No investigation activity in reporting period Improvement No improvement action in reporting period Volume & pollution Estimate from 0.8 hours spilling →	Ford Brook	2	0.8	up from 0	100%
Stow Heath (Bilston College) CSO Overflow on sewer network Company site name BILSTON - STOW HEATH LANE (CSO) EA ID / permit SVT02231 · T/08/12270/O Outlet location SO9385197536 (OS grid reference) · View on Apple Maps WFD catchment Tame (W/ton Arm) source to conf Oldbury (GB104028046930) 2024 spills / hours 1 / 0.4 Long-term average 0.6 spills a year (monitored since 2019) Investigation Env Act (SODRP) investigation ongoing Improvement No improvement action in reporting period Volume & pollution Estimate from 0.8 hours spilling →	River Tame Tunnel (Wolv' Arm)	3	0.8	up 200%	99%
Stourport Road Pumping Station Storm discharge at pumping station Company site name BEWDLEY - STOURPORT ROAD (SSO) EA ID / permit SVT02229 · S/08/50205/O Outlet location SO7911075030 (OS grid reference) · View on Apple Maps WFD catchment Severn - conf R Worfe to conf R Stour (GB109054049145) 2024 spills / hours 4 / 4.8 Long-term average 35.0 spills a year (monitored since 2020) Investigation Env Act (SODRP) investigation ongoing, UWWTR investigation completed, Operational investigation completed Improvement No improvement action in reporting period Volume & pollution Estimate from 0.8 hours spilling →	River Severn	2	0.8	down 50%	100%
Maltby Craggs CSO Overflow on sewer network Company site name MALTBY - BLYTH ROAD/MEADOW LANE 1 (CSO) EA ID / permit SVT01466 · T/76/40099/O Outlet location SK5302391655 (OS grid reference) · View on Apple Maps WFD catchment Oldcotes Dyke Catchment (trib of Ryton) (GB104028058230) 2024 spills / hours 2 / 3.1 Long-term average 2.3 spills a year (monitored since 2019) Investigation Operational investigation ongoing Improvement No improvement action in reporting period Volume & pollution Estimate from 0.8 hours spilling →	Maltby Dyke	2	0.8	no change	99%
Shrewsbury Flood Defence SPS Storm discharge at pumping station Company site name SHREWSBURY - WATER LANE SPS (CSO) EA ID / permit SVT02037 · S/02/55703/O Outlet location SJ4879012760 (OS grid reference) · View on Apple Maps WFD catchment Severn - conf Bele Bk to conf Sundorne Bk (GB109054049142) 2024 spills / hours 0 / 0.0 Long-term average 0.5 spills a year (monitored since 2022) Investigation Env Act (SODRP) investigation ongoing, Operational investigation ongoing Improvement No improvement action in reporting period Volume & pollution Estimate from 0.8 hours spilling →	River Severn	2	0.8	up from 0	100%
Lister'S Car Park CSO Overflow on sewer network Company site name DURSLEY - LISTERS CAR PARK (CSO) EA ID / permit SVT01374 · S/20/26173/O Outlet location ST7580398343 (OS grid reference) · View on Apple Maps WFD catchment The Cam R source to conf Glos and Sharpness Canal (GB109054026550) 2024 spills / hours 0 / 0.0 Long-term average 3.7 spills a year (monitored since 2019) Monitor below 90% Installation set-up/design issue · Resolved - Feb Investigation Operational investigation completed Improvement Operational improvement completed Volume & pollution Estimate from 0.7 hours spilling →	River Ewelme	1	0.7	up from 0	84%
Sapcote Road CSO Overflow on sewer network Company site name STONEY STANTON - HINCKLEY ROAD (CSO) EA ID / permit SVT01945 · EPRHB3991RX Outlet location SP4891994097 (OS grid reference) · View on Apple Maps WFD catchment Soar from Soar Brook to Thurlaston Brook (GB104028042620) 2024 spills / hours 0 / 0.0 Long-term average 0.9 spills a year (monitored since 2019) Investigation No investigation activity in reporting period Improvement No improvement action in reporting period Volume & pollution Estimate from 0.7 hours spilling →	Tributary of River Soar	2	0.7	up from 0	100%
Victoria Road Sewage Pumping Sta Overflow on sewer network Company site name HANLEY - VICTORIA ROAD 1 PS (CSO) EA ID / permit SVT02416 · T/01/21499/O Outlet location SJ8881046110 (OS grid reference) · View on Apple Maps WFD catchment Trent - Ford Green Bk to Fowlea Bk (GB104028053301) 2024 spills / hours 4 / 37 Long-term average 17.0 spills a year (monitored since 2023) Investigation Env Act (SODRP) investigation ongoing, UWWTR investigation ongoing, Operational investigation completed Improvement No improvement action in reporting period Volume & pollution Estimate from 0.7 hours spilling →	River Trent	2	0.7	down 50%	100%
White Horse Passage CSO Overflow on sewer network Company site name FRANKWELL - WHITE HORSE PASSAGE (CSO) EA ID / permit SVT02540 · S/02/55709/O Outlet location SJ4898112791 (OS grid reference) · View on Apple Maps WFD catchment Severn - conf Bele Bk to conf Sundorne Bk (GB109054049142) Bathing water River Severn in Shrewsbury 2024 spills / hours 7 / 2.6 Long-term average 3.7 spills a year (monitored since 2019) Investigation Env Act (SODRP) investigation ongoing, Operational investigation completed Improvement Operational improvement completed Volume & pollution Estimate from 0.7 hours spilling →	River Severn	4	0.7	down 43%	100%
New Coventry Road CSO Overflow on sewer network Company site name SHELDON - COVENTRY RD/BARROWS LANE (CSO) EA ID / permit SVT00654 · TSC578 Outlet location SP1435584030 (OS grid reference) · View on Apple Maps WFD catchment Hatchford-Kingshurst Brook from Source to R Cole (GB104028042490) 2024 spills / hours 7 / 1.9 Long-term average 6.0 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 0.7 hours spilling →	Westley Brook	3	0.7	down 57%	100%

Sewage treatment works

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

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