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
Penn Combined Sewer Overflow Overflow on sewer network Company site name BRADMORE - COALWAY RD/MYRTLE GROVE (CSO) EA ID / permit SVT01781 · S/06/20319/O Outlet location SO8809696589 (OS grid reference) · View on Apple Maps WFD catchment Merryhill Bk - source to conf Wom-Penn Bk (GB109054044811) 2024 spills / hours 2 / 0.4 Long-term average 2.2 spills a year (monitored since 2020) Investigation Operational investigation completed Improvement Operational improvement completed	Warstones Brook	0	0.0	down 100%	100%
Pentrich SPS Storm discharge at pumping station Company site name PENTRICH PS (ESO) EA ID / permit SVT01783 · T/41/40220/O Outlet location SK3922051730 (OS grid reference) · View on Apple Maps WFD catchment Amber from Alfreton Brook to Derwent (GB104028052330) 2024 spills / hours 0 / 0.0 Long-term average 0.0 spills a year (monitored since 2021) Investigation Env Act (SODRP) investigation ongoing Improvement No improvement action in reporting period	Hartsay Brook	0	0.0	no change	100%
Kirkby Folly Road Roundhill CSO Overflow on sewer network Company site name SUTTON IN ASHFIELD - PEPPER STREET (CSO) EA ID / permit SVT01785 · EPRHB3993AW Outlet location SK5110858529 (OS grid reference) · View on Apple Maps WFD catchment Maun from Source to Vicar Water (GB104028052960) 2024 spills / hours 0 / 0.0 Long-term average 2.0 spills a year (monitored since 2019) Investigation Env Act (SODRP) investigation ongoing, Operational investigation completed Improvement No improvement action in reporting period	Tributary of River Maun	0	0.0	no change	100%
Pilham Sewage Treatment Works Inlet overflow at sewage works Sewage works Pilham Company site name PILHAM (CSO) EA ID / permit SVT01793 · T/80/45348/R Outlet location SK8606293960 (OS grid reference) · View on Apple Maps WFD catchment Laughton Drain Catchment (trib of Trent) (GB104028058120) 2024 spills / hours 0 / 0.0 Long-term average 11.2 spills a year (monitored since 2021) Investigation UWWTR investigation ongoing Improvement No improvement action in reporting period	Laughton Drain	0	0.0	no change	100%
Nechells - Plume Street CSO Overflow on sewer network Company site name NECHELLS - PLUME STREET (CSO) EA ID / permit SVT01803 · DT/9775 Outlet location SP0919789610 (OS grid reference) · View on Apple Maps WFD catchment Hockley Brook Catchment (trib of Rea) (GB104028042640) 2024 spills / hours 0 / 0.0 Long-term average 2.8 spills a year (monitored since 2021) Investigation Env Act (SODRP) investigation ongoing, Operational investigation completed Improvement No improvement action in reporting period	Hockley Brook	0	0.0	no change	100%
Portobello - Dilloways/Waite Rd CSO Overflow on sewer network Company site name PORTOBELLO - DILLOWAYS LA/WAITE RD (CSO) EA ID / permit SVT01817 · TSC631 Outlet location SO9576398249 (OS grid reference) · View on Apple Maps WFD catchment Tame (W/ton Arm) source to conf Oldbury (GB104028046930) 2024 spills / hours 1 / 0.0 Long-term average 0.4 spills a year (monitored since 2021) Investigation Env Act (SODRP) investigation ongoing, Operational investigation completed Improvement No improvement action in reporting period	River Tame	0	0.0	down 100%	100%
Price Close CSO Overflow on sewer network Company site name LOGGERHEADS - PRICE CLOSE (CSO) EA ID / permit SVT01823 · S/04/20963/O Outlet location SJ7358436189 (OS grid reference) · View on Apple Maps WFD catchment Loggerheads Bk - source to conf R Tern (GB109054055130) 2024 spills / hours 0 / 0.0 Long-term average 0.0 spills a year (monitored since 2019) Investigation Operational investigation completed Improvement No improvement action in reporting period	Tributary of River Tern	0	0.0	no change	100%
Quarndon - Church Road CSO Overflow on sewer network Company site name QUARNDON - CHURCH ROAD 114 (CSO) EA ID / permit SVT01835 · T/47/21116/O Outlet location SK3317839906 (OS grid reference) · View on Apple Maps WFD catchment Markeaton Brook from Source to Mackworth Brook (GB104028052850) 2024 spills / hours 2 / 0.1 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	Tributary of Markeaton Brook	0	0.0	down 100%	100%
Quay Street CSO Storm discharge at pumping station Company site name GLOUCESTER - QUAY STREET (CSO) EA ID / permit SVT01839 · EPRRP3923KH Outlet location SO8265918800 (OS grid reference) · View on Apple Maps WFD catchment Severn (E Channel) - Horsebere Bk to Severn Est (GB109054032750) 2024 spills / hours 0 / 0.0 Long-term average 1.2 spills a year (monitored since 2021) Investigation Operational investigation completed Improvement No improvement action in reporting period	River Severn - East Channel	0	0.0	no change	90%
Stoke-on-Trent - Queen Anne Street (CSO) Overflow on sewer network EA ID / permit SVT01841 · Unpermitted Outlet location SJ8751645878 (OS grid reference) · View on Apple Maps WFD catchment Fowlea Brook from Source to River Trent (GB104028053360) 2024 spills / hours 2 / 2.0 Long-term average 15.0 spills a year (monitored since 2021) Monitor below 90% No longer operational as an overflow - permit revoked or to be revoked · Overflow no longer spilling to environment - from Jan Investigation Env Act (SODRP) investigation ongoing, UWWTR investigation ongoing, Operational investigation completed Improvement No improvement action in reporting period	Fowlea Brook	–	–		–
Queensway/Vernon Road SPS Overflow on sewer network Company site name STOKE-ON-TRENT - QUEENSWAY (SSO) EA ID / permit SVT01846 · T/01/30157/O Outlet location SJ8751545878 (OS grid reference) · View on Apple Maps WFD catchment Fowlea Brook from Source to River Trent (GB104028053360) 2024 spills / hours 0 / 0.0 Long-term average 0.0 spills a year (monitored since 2024) Investigation Env Act (SODRP) investigation ongoing Improvement No improvement action in reporting period	Fowlea Brook	0	0.0	no change	100%
Rabone Lane (No.2) CSO Overflow on sewer network Company site name SMETHWICK - RABONE LANE 2 (CSO) EA ID / permit SVT01850 · T/08/35706/O Outlet location SP0334789172 (OS grid reference) · View on Apple Maps WFD catchment Hockley Brook Catchment (trib of Rea) (GB104028042640) 2024 spills / hours 0 / 0.0 Long-term average 5.4 spills a year (monitored since 2019) Investigation Env Act (SODRP) investigation ongoing, Operational investigation ongoing Improvement No improvement action in reporting period	Hockley Brook	0	0.0	no change	100%
Radford Road Storm Overflow Overflow on sewer network Company site name NEW BASFORD - RADFORD RD/NORTHGATE (CSO) EA ID / permit SVT01853 · T/63/07899/O Outlet location SK5544842108 (OS grid reference) · View on Apple Maps WFD catchment Leen from Day Brook to Trent (GB104028053250) 2024 spills / hours 0 / 0.0 Long-term average 8.7 spills a year (monitored since 2019) Investigation Env Act (SODRP) investigation ongoing, Operational investigation completed Improvement No improvement action in reporting period	River Leen	0	0.0	no change	100%
Woodthorpe - Fairview Road (CSO) Overflow on sewer network EA ID / permit SVT01874 · EPRJB3697RN Outlet location SK5785644339 (OS grid reference) · View on Apple Maps WFD catchment Day Brook Catchment (trib of Leen) (GB104028052860) 2024 spills / hours 0 / 0.0 Long-term average 0.0 spills a year (monitored since 2021) Investigation Env Act (SODRP) investigation ongoing, Operational investigation completed Improvement No improvement action in reporting period	Day Brook	0	0.0	no change	100%
Red Lane CSO Overflow on sewer network Company site name TEWKESBURY - RED LANE (CSO) EA ID / permit SVT01877 · S/17/20917/O Outlet location SO8932033082 (OS grid reference) · View on Apple Maps WFD catchment Avon - Tolsey Lane to conf R Severn (GB109054039800) 2024 spills / hours 8 / 10 Long-term average 3.4 spills a year (monitored since 2019) Investigation Operational investigation completed Improvement No improvement action in reporting period	Mill Avon	0	0.0	down 100%	100%
Reddal Hill Road CSO Overflow on sewer network Company site name OLD HILL - REDDAL HILL ROAD (CSO) EA ID / permit SVT01878 · S/06/21056/O Outlet location SO9512686632 (OS grid reference) · View on Apple Maps WFD catchment Stour (Worcs) source to conf Smestow Bk (GB109054044750) 2024 spills / hours 1 / 0.0 Long-term average 1.2 spills a year (monitored since 2020) Investigation Operational investigation completed Improvement No improvement action in reporting period	Mousesweet Brook	0	0.0	down 100%	100%
Redmile - Church Corner (CSO) Storm discharge at pumping station EA ID / permit SVT01882 · Permit application submitted Outlet location SK7969735658 (OS grid reference) · View on Apple Maps WFD catchment The Grimmer from Source to Rundle Beck (GB104028053060) 2024 spills / hours 4 / 6.1 Long-term average 3.7 spills a year (monitored since 2023) Investigation No investigation activity in reporting period Improvement No improvement action in reporting period	Trib of the Grimmer	0	0.0	down 100%	100%
Ripley - Amber Heights (SSO) Storm discharge at pumping station EA ID / permit SVT01889 · Permit application submitted Outlet location SK3896351046 (OS grid reference) · View on Apple Maps WFD catchment Amber from Alfreton Brook to Derwent (GB104028052330) 2024 spills / hours 0 / 0.0 Long-term average 0.0 spills a year (monitored since 2023) Investigation Env Act (SODRP) investigation ongoing Improvement No improvement action in reporting period	Rea Brook	0	0.0	no change	100%
Ripley Mount Pleasant CSO Overflow on sewer network Company site name RIPLEY - MOUNT PLEASANT (ASHCROFT) (CSO) EA ID / permit SVT01892 · T/41/21636/O Outlet location SK3970950942 (OS grid reference) · View on Apple Maps WFD catchment Amber from Alfreton Brook to Derwent (GB104028052330) 2024 spills / hours 0 / 0.0 Long-term average 1.6 spills a year (monitored since 2021) Investigation Env Act (SODRP) investigation ongoing, Operational investigation completed Improvement No improvement action in reporting period	Tributary of Hartshay Brook	0	0.0	no change	100%
Rock House Combined Sewer Overflow Overflow on sewer network Company site name HANBURY - HANBURY HILL (ROCK HSE) (CSO) EA ID / permit SVT01901 · T/33/21255/O Outlet location SK1739827986 (OS grid reference) · View on Apple Maps WFD catchment Dove - R Churnet to R Trent (GB104028052420) 2024 spills / hours 0 / 0.0 Long-term average 0.3 spills a year (monitored since 2019) Investigation Operational investigation completed Improvement No improvement action in reporting period	Trib of River Dove	0	0.0	no change	100%
Rossington - Grange Lane PS (CSO) Storm discharge at pumping station EA ID / permit SVT01908 · Permit application submitted Outlet location SK6075497727 (OS grid reference) · View on Apple Maps WFD catchment Torne from St Catherine's Well Stream to Mother Drain (GB104028058410) 2024 spills / hours 0 / 0.0 Long-term average 0.0 spills a year (monitored since 2023) Investigation No investigation activity in reporting period Improvement No improvement action in reporting period	Ditch to Caldron Canal	0	0.0	no change	100%
Rowney Green Mini SPS Storm discharge at pumping station Company site name ROWNEY GREEN - MINI (SSO) EA ID / permit SVT01914 · S/15/23073/O Outlet location SP0480771261 (OS grid reference) · View on Apple Maps WFD catchment Arrow - source to Spernall Hall Fm, Studley (GB109054043890) 2024 spills / hours 6 / 23 Long-term average 26.2 spills a year (monitored since 2021) Investigation UWWTR investigation completed, Operational investigation completed Improvement Operational improvement completed	Tributary of the Dagnell Brook	0	0.0	down 100%	94%
Rykneild Street Pumping Station Storm discharge at pumping station Company site name WALL - WATLING STREET (SSO) EA ID / permit SVT01932 · T/17/08977/O Outlet location SK0965006510 (OS grid reference) · View on Apple Maps WFD catchment Crane Brook - source to FootherleyBrook (GB104028046480) 2024 spills / hours 10 / 40 Long-term average 12.4 spills a year (monitored since 2021) Investigation UWWTR investigation ongoing, Operational investigation completed Improvement Operational improvement ongoing	Burntwood Brook (Tame)	0	0.0	down 100%	97%
Saltley - Alum Rock Rd CSO Overflow on sewer network Company site name SALTLEY - ALUM ROCK RD (CSO) EA ID / permit SVT01936 · T/09/36399/O Outlet location SP0961388801 (OS grid reference) · View on Apple Maps WFD catchment Rea from Bourn Brook to River Tame (GB104028042550) 2024 spills / hours 1 / 0.3 Long-term average 5.2 spills a year (monitored since 2021) Investigation Env Act (SODRP) investigation ongoing, Operational investigation ongoing Improvement No improvement action in reporting period	River Rea	0	0.0	down 100%	100%
Nechells -Saltley Rd/Cato St North (CSO) Overflow on sewer network EA ID / permit SVT01937 · Permit application submitted Outlet location SP0922688343 (OS grid reference) · View on Apple Maps WFD catchment Rea from Bourn Brook to River Tame (GB104028042550) 2024 spills / hours 3 / 0.8 Long-term average 1.6 spills a year (monitored since 2021) Investigation Env Act (SODRP) investigation ongoing, Operational investigation ongoing Improvement No improvement action in reporting period	River Rea	0	0.0	down 100%	100%
Scalpcliffe Rd/Rosemount Rd Jcn CSO Overflow on sewer network Company site name BURTON UPON TRENT - SCALPCLIFFE RD (CSO) EA ID / permit SVT01948 · T/24/30180/O Outlet location SK2569523098 (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 2.2 spills a year (monitored since 2019) Monitor below 90% No longer operational as an overflow - permit revoked or to be revoked · Overflow no longer spilling to environment - from Jan Investigation Env Act (SODRP) investigation ongoing Improvement No improvement action in reporting period	River Trent	–	–		–
School Lane Terminal PS Storm discharge at pumping station Company site name ROWSLEY - SCHOOL LANE (SSO) EA ID / permit SVT01952 · EPRKB3591WX Outlet location SK2567265737 (OS grid reference) · View on Apple Maps WFD catchment Wye from Monk's Dale to Derwent (GB104028057820) 2024 spills / hours 0 / 0.0 Long-term average 43.1 spills a year (monitored since 2019) Investigation UWWTR investigation completed, Operational investigation completed Improvement No improvement action in reporting period	River Wye	0	0.0	no change	100%
Scunthorpe – Bushfield Road (CSO) Overflow on sewer network EA ID / permit SVT01962 · Permit application submitted Outlet location SE9164609511 (OS grid reference) · View on Apple Maps WFD catchment Bottesford Beck Catchment (trib of Trent) (GB104028064290) 2024 spills / hours 0 / 0.0 Long-term average 0.0 spills a year (monitored since 2022) Monitor below 90% No longer operational as an overflow - permit revoked or to be revoked · Overflow no longer spilling to environment - from May Investigation Env Act (SODRP) investigation ongoing Improvement No improvement action in reporting period	Tributary of Bottesford Beck	0	0.0	no change	100%
Scunthorpe High St/ Trafford St CSO Overflow on sewer network Company site name SCUNTHORPE - SPENCER AV (CSO) EA ID / permit SVT01969 · EPRTB3793WQ Outlet location SE9191012210 (OS grid reference) · View on Apple Maps WFD catchment Bottesford Beck Catchment (trib of Trent) (GB104028064290) 2024 spills / hours 0 / 0.0 Long-term average 0.0 spills a year (monitored since 2021) Investigation Env Act (SODRP) investigation ongoing Improvement No improvement action in reporting period	Bottesford Beck Culvert	0	0.0	no change	99%
Scunthorpe-Gunness-71A Station Rd (CSO) Overflow on sewer network EA ID / permit SVT01972 · Permit application submitted Outlet location SE8437211514 (OS grid reference) · View on Apple Maps WFD catchment Humber estuary TRaC (GB530402609203) 2024 spills / hours 13 / 94 Long-term average 17.8 spills a year (monitored since 2021) Monitor below 90% No longer operational as an overflow - permit revoked or to be revoked · Overflow no longer spilling to environment - from Jan Investigation UWWTR investigation completed, Operational investigation completed Improvement Operational improvement completed	Soak Mere Drain	–	–		–
Cromford Meadows-Pipe Bridge CSO Overflow on sewer network Company site name CROMFORD MEADOWS - PIPE BRIDGE (CSO) EA ID / permit SVT01982 · DT/2184 Outlet location SK3069356724 (OS grid reference) · View on Apple Maps WFD catchment Derwent from Wye to Amber (GB104028052390) 2024 spills / hours 9 / 67 Long-term average 5.6 spills a year (monitored since 2019) Investigation Operational investigation completed Improvement Operational improvement completed	River Derwent	0	0.0	down 100%	100%
Cromford Meadows-Railway Bridge CSO Overflow on sewer network Company site name CROMFORD MEADOWS - RAILWAY BRIDGE (CSO) EA ID / permit SVT01983 · DT/2183 Outlet location SK3039457285 (OS grid reference) · View on Apple Maps WFD catchment Derwent from Wye to Amber (GB104028052390) 2024 spills / hours 0 / 0.0 Long-term average 4.3 spills a year (monitored since 2019) Investigation UWWTR investigation ongoing, Operational investigation completed Improvement No improvement action in reporting period	River Derwent	0	0.0	no change	100%
Sharnford - Leicester Road (SSO) Storm discharge at pumping station EA ID / permit SVT01985 · Permit application submitted Outlet location SP4855992167 (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 1.3 spills a year (monitored since 2023) Investigation No investigation activity in reporting period Improvement No improvement action in reporting period	Unnamed Trib of the River Soar	0	0.0	no change	100%
Sheepcote St/Nile Street Jct SSO Overflow on sewer network Company site name BIRMINGHAM - SHEEPCOTE STREET (CSO) EA ID / permit SVT01991 · T/09/21432/O Outlet location SP0579088640 (OS grid reference) · View on Apple Maps WFD catchment Hockley Brook Catchment (trib of Rea) (GB104028042640) 2024 spills / hours 0 / 0.0 Long-term average 0.5 spills a year (monitored since 2022) Investigation Env Act (SODRP) investigation ongoing Improvement No improvement action in reporting period	Hockley Brook	0	0.0	no change	100%
Shepshed - Jcn Cambridge St Leicester Rd (CSO) Overflow on sewer network Company site name SHEPSHED - CAMBRIDGE ST/LEICESTER RD (CSO) EA ID / permit SVT02005 · Permit application submitted Outlet location SK4798519581 (OS grid reference) · View on Apple Maps WFD catchment Black Brook from Grace Dieu Brook to Soar (GB104028047100) 2024 spills / hours 8 / 6.9 Long-term average 14.0 spills a year (monitored since 2022) Monitor below 90% No longer operational as an overflow - permit revoked or to be revoked · Overflow no longer spilling to environment - from Jan Investigation UWWTR investigation completed, Operational investigation ongoing Improvement No improvement action in reporting period	Trib Black Brook	–	–		–
Shepshed - Leicester Road O/S No 156 (CSO) Overflow on sewer network EA ID / permit SVT02006 · Permit application submitted Outlet location SK4798519581 (OS grid reference) · View on Apple Maps WFD catchment Black Brook from Grace Dieu Brook to Soar (GB104028047100) 2024 spills / hours 43 / 100 Long-term average 58.3 spills a year (monitored since 2022) Monitor below 90% No longer operational as an overflow - permit revoked or to be revoked · Overflow no longer spilling to environment - from Jan Investigation UWWTR investigation ongoing, Operational investigation completed Improvement Operational improvement completed	Trib Black Brook	–	–		–
Shortheath Pumping Station Storm discharge at pumping station Company site name OVERSEAL - SHORTHEATH (SSO) EA ID / permit SVT02030 · T/23/20195/O Outlet location SK3069015340 (OS grid reference) · View on Apple Maps WFD catchment Hooborough Brook from Source to River Mease (GB104028046580) 2024 spills / hours 0 / 0.0 Long-term average 0.0 spills a year (monitored since 2021) Investigation No investigation activity in reporting period Improvement No improvement action in reporting period	Hooborough Brook	0	0.0	no change	100%
Shrewsbury - Harlescott Cres (SSO) Storm discharge at pumping station EA ID / permit SVT02033 · Unpermitted Outlet location SJ5127315805 (OS grid reference) · View on Apple Maps WFD catchment Sundorne Bk - source to conf R Severn (GB109054049910) 2024 spills / hours 0 / 0.0 Long-term average 0.0 spills a year (monitored since 2023) Investigation Operational investigation completed Improvement No improvement action in reporting period	Local Ditch	0	0.0	no change	100%
Shrewsbury - Queen Street (CSO) Storm discharge at pumping station EA ID / permit SVT02035 · Permit application submitted Outlet location SJ5008613050 (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 0.7 spills a year (monitored since 2023) Investigation Operational investigation completed Improvement No improvement action in reporting period	River Severn	0	0.0	no change	96%
Shurdington Balancing Tank CSO Overflow on sewer network Company site name SHURDINGTON - STORM TANK (CSO) EA ID / permit SVT02040 · S/20/12258/O Outlet location SO9181519127 (OS grid reference) · View on Apple Maps WFD catchment Norman's Bk - source to conf Hatherley Bk (GB109054032780) 2024 spills / hours 4 / 1.6 Long-term average 1.1 spills a year (monitored since 2019) Investigation Operational investigation completed Improvement Operational improvement completed	Ham Brook	0	0.0	down 100%	98%
Silverdale - Newcastle Street (CSO) Overflow on sewer network EA ID / permit SVT02049 · Permit application submitted Outlet location SJ8275346499 (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 0.0 spills a year (monitored since 2022) Investigation Env Act (SODRP) investigation ongoing Improvement No improvement action in reporting period	Trib of Lyme Brook	0	0.0	no change	100%
Silverdale-Silverdale Road 389 CSO Overflow on sewer network Company site name SILVERDALE - ELLAMS PLACE (CSO) EA ID / permit SVT02053 · EPR/UB3452GD 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 0.0 spills a year (monitored since 2020) Investigation Env Act (SODRP) investigation ongoing, Operational investigation completed Improvement No improvement action in reporting period	Lyme/Silverdale Brook	0	0.0	no change	100%
Small Heath - Dora Road CSO Overflow on sewer network Company site name SMALL HEATH - DORA ROAD (CSO) EA ID / permit SVT02064 · T/12/36401/O Outlet location SP1133585324 (OS grid reference) · View on Apple Maps WFD catchment Cole from Springfield to Hatchford-Kingshurst Brook (GB104028042502) 2024 spills / hours 3 / 0.3 Long-term average 0.6 spills a year (monitored since 2021) Investigation Operational investigation ongoing Improvement No improvement action in reporting period	River Cole	0	0.0	down 100%	100%
Small Heath - Glovers Road CSO Overflow on sewer network Company site name SMALL HEATH - GLOVERS/HENSHAW RD (CSO) EA ID / permit SVT02065 · T/09/21164/O Outlet location SP0828587019 (OS grid reference) · View on Apple Maps WFD catchment Rea from Bourn Brook to River Tame (GB104028042550) 2024 spills / hours 0 / 0.0 Long-term average 0.6 spills a year (monitored since 2021) Investigation Env Act (SODRP) investigation ongoing Improvement No improvement action in reporting period	River Rea	0	0.0	no change	100%
Small Hth - Glovers Rd-Oakley Rd SO Overflow on sewer network Company site name SMALL HEATH - GLOVERS RD/OAKLEY RD (CSO) EA ID / permit SVT02067 · T/09/21545/O Outlet location SP0828587019 (OS grid reference) · View on Apple Maps WFD catchment Rea from Bourn Brook to River Tame (GB104028042550) 2024 spills / hours 0 / 0.0 Long-term average 0.6 spills a year (monitored since 2021) Investigation Env Act (SODRP) investigation ongoing Improvement No improvement action in reporting period	River Rea	0	0.0	no change	100%
Smethwick Dorset Rd-Wilson Rd CSO Overflow on sewer network Company site name SMETHWICK - DORSET ROAD/WILSON RD (CSO) EA ID / permit SVT02069 · T/08/21123/O Outlet location SP0265487179 (OS grid reference) · View on Apple Maps WFD catchment Hockley Brook Catchment (trib of Rea) (GB104028042640) 2024 spills / hours 0 / 0.0 Long-term average 0.0 spills a year (monitored since 2021) Investigation Env Act (SODRP) investigation ongoing Improvement No improvement action in reporting period	Tributary of Birmingham Canal	0	0.0	no change	98%
Sneinton - 264 Sneinton Dale CSO Overflow on sewer network Company site name SNEINTON - SNEINTON DALE 264 (CSO) EA ID / permit SVT02078 · T/64/40038/O Outlet location SK5907038770 (OS grid reference) · View on Apple Maps WFD catchment Trent from Soar to The Beck (GB104028053110) 2024 spills / hours 0 / 0.0 Long-term average 4.9 spills a year (monitored since 2017) Investigation Operational investigation completed Improvement No improvement action in reporting period	River Trent via Beckvalley Cul	0	0.0	no change	100%
Sneinton Dale/Ena Avenue CSO Overflow on sewer network Company site name SNEINTON - SNEINTON DALE/ENA AVE (CSO) EA ID / permit SVT02080 · T/64/45268/O Outlet location SK5907038770 (OS grid reference) · View on Apple Maps WFD catchment Trent from Soar to The Beck (GB104028053110) 2024 spills / hours 0 / 0.0 Long-term average 0.0 spills a year (monitored since 2017) Investigation No investigation activity in reporting period Improvement No improvement action in reporting period	River Trent	0	0.0	no change	100%
Bidford on Avon - High Street (CSO) Overflow on sewer network EA ID / permit SVT02088 · S/13/07378/O Outlet location SP1000451788 (OS grid reference) · View on Apple Maps WFD catchment Avon- Tramway Br Stratford to Workman Br Evesham (GB109054044401) 2024 spills / hours 1 / 0.6 Long-term average 4.8 spills a year (monitored since 2020) Investigation No investigation activity in reporting period Improvement No improvement action in reporting period	River Avon	0	0.0	down 100%	99%
Springwell Street CSO Overflow on sewer network Company site name SUTTON IN ASHFIELD - SPRINGWELL ST (CSO) EA ID / permit SVT02133 · T/41/07908/O Outlet location SK4685358184 (OS grid reference) · View on Apple Maps WFD catchment Alfreton Brook from Source to Westwood Brook (GB104028052350) 2024 spills / hours 0 / 0.0 Long-term average 1.6 spills a year (monitored since 2019) Investigation Env Act (SODRP) investigation ongoing, Operational investigation completed Improvement No improvement action in reporting period	Nunn Brook	0	0.0	no change	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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