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
Church Street CSO Overflow on sewer network Company site name KIDDERMINSTER - BLACKWELL ST ISLND (CSO) EA ID / permit SVT00555 · S/06/12240/O Outlet location SO8301376833 (OS grid reference) · View on Apple Maps WFD catchment Stour (Worcs) - conf Smestow Bk to conf R Severn (GB109054044710) 2024 spills / hours 0 / 0.0 Long-term average 0.1 spills a year (monitored since 2019) Investigation No investigation activity in reporting period Improvement No improvement action in reporting period	River Stour	0	0.0	no change	100%
Churcham Sewage Treatment Works Storm tank at sewage works Sewage works Churcham Company site name CHURCHAM (CSO) EA ID / permit SVT00562 · S/20/25769/R Outlet location SO7563619228 (OS grid reference) · View on Apple Maps WFD catchment Ley Bk - source to R Severn Estuary (GB109054032740) 2024 spills / hours 2 / 0.5 Long-term average 19.6 spills a year (monitored since 2021) Investigation UWWTR investigation ongoing Improvement No improvement action in reporting period	Tributary of Ley Brook	0	0.0	down 100%	99%
Clarence Road CSO Overflow on sewer network Company site name ERDINGTON - CLARENCE ROAD 54 (CSO) EA ID / permit SVT00566 · T/08/30222/O Outlet location SP0950090106 (OS grid reference) · View on Apple Maps WFD catchment Tame - conf two arms to R Rea (GB104028046842) 2024 spills / hours 1 / 0.1 Long-term average 2.9 spills a year (monitored since 2019) Investigation Env Act (SODRP) investigation ongoing, Operational investigation completed Improvement No improvement action in reporting period	River Tame	0	0.0	down 100%	100%
Clarence St/Lovatt St Junction CSO Overflow on sewer network Company site name WOLVERHAMPTON - ALBANY RD (CSO) EA ID / permit SVT00567 · S/06/50095/O Outlet location SJ8997000510 (OS grid reference) · View on Apple Maps WFD catchment Smestow Bk - source to conf Wom-Penn Bk (GB109054049340) 2024 spills / hours 0 / 0.0 Long-term average 1.2 spills a year (monitored since 2020) Investigation Env Act (SODRP) investigation ongoing, Operational investigation completed Improvement No improvement action in reporting period	Tributary of Smestow Brook	0	0.0	no change	100%
Clumber Close CSO Overflow on sewer network Company site name SYSTON - CLUMBER CLOSE (CSO) EA ID / permit SVT00586 · T/55/21953/O Outlet location SK6256712318 (OS grid reference) · View on Apple Maps WFD catchment Eye / Wreake from Langham Brook to Soar (GB104028047550) 2024 spills / hours 0 / 0.0 Long-term average 0.1 spills a year (monitored since 2019) Investigation Operational investigation completed Improvement No improvement action in reporting period	Trib of River Wreake	0	0.0	no change	100%
Coalpool – Mill Place (CSO) Storm discharge at pumping station EA ID / permit SVT00589 · Unpermitted Outlet location SP0164899740 (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 0.0 spills a year (monitored since 2023) Investigation Operational investigation ongoing Improvement No improvement action in reporting period	Ford Brook	0	0.0	no change	100%
Coalville - Jackson Street (CSO) Overflow on sewer network EA ID / permit SVT00592 · Permit application submitted Outlet location SK4207913845 (OS grid reference) · View on Apple Maps WFD catchment Sence from Source to Ibstock Brook (GB104028046750) 2024 spills / hours 0 / 0.0 Long-term average 0.0 spills a year (monitored since 2022) Monitor below 90% Sensor failure / issue · Resolved - Mar Investigation Env Act (SODRP) investigation ongoing, Operational investigation completed Improvement No improvement action in reporting period	Drain	0	0.0	no change	83%
Cole Valley Eastern Sewer Overflow on sewer network Company site name KITTS GREEN - MIDDLE LEAFORD (CSO) EA ID / permit SVT00606 · T/12/07937/O Outlet location SP1420088400 (OS grid reference) · View on Apple Maps WFD catchment Cole from Springfield to Hatchford-Kingshurst Brook (GB104028042502) 2024 spills / hours 0 / 0.0 Long-term average 0.0 spills a year (monitored since 2019) Monitor below 90% Sensor failure / issue · Resolved - Mar Investigation Operational investigation completed Improvement No improvement action in reporting period	River Cole	0	0.0	no change	83%
Cole Valley Wo Sewer (Point D) CSO Overflow on sewer network Company site name SMALL HEATH - HOB MOOR ROAD (CSO) EA ID / permit SVT00607 · EPRHB3991EW Outlet location SP1028084450 (OS grid reference) · View on Apple Maps WFD catchment Cole from Springfield to Hatchford-Kingshurst Brook (GB104028042502) 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	River Cole	0	0.0	no change	100%
Small Heath - Heybarnes Rd (CSO) Overflow on sewer network EA ID / permit SVT00608 · EPRTB3791EB Outlet location SP1028084450 (OS grid reference) · View on Apple Maps WFD catchment Cole from Springfield to Hatchford-Kingshurst Brook (GB104028042502) 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	River Cole	0	0.0	no change	100%
Coleridge Drive SPS Storm discharge at pumping station Company site name PERTON - COLERIDGE DRIVE (SSO) EA ID / permit SVT00610 · T/03/35150/O Outlet location SJ8598000410 (OS grid reference) · View on Apple Maps WFD catchment Penk from Source toSaredon Brook (GB104028046680) 2024 spills / hours 0 / 0.0 Long-term average 0.5 spills a year (monitored since 2020) Investigation Env Act (SODRP) investigation ongoing, Operational investigation completed Improvement No improvement action in reporting period	River Penk	0	0.0	no change	100%
Holly Lane Combined Sewer Overflow Overflow on sewer network Company site name MARSTON GREEN - HOLLY LANE (CSO) EA ID / permit SVT00612 · EPRKB3594AN Outlet location SP1663685990 (OS grid reference) · View on Apple Maps WFD catchment Hatchford-Kingshurst Brook from Source to R Cole (GB104028042490) 2024 spills / hours 1 / 0.5 Long-term average 0.8 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, Operational investigation ongoing Improvement No improvement action in reporting period	Hatchford Brook	–	–		–
Coleshill Road 2 CSO Overflow on sewer network Company site name MARSTON GRN-COLESHILL/BICKENHILL RD (SO) EA ID / permit SVT00613 · TSC534 Outlet location SP1781485561 (OS grid reference) · View on Apple Maps WFD catchment Hatchford-Kingshurst Brook from Source to R Cole (GB104028042490) 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	Low Brook	0	0.0	no change	100%
Coleshill Road 2 CSO Overflow on sewer network Company site name MARSTON GRN - COLESHILL RD (SO) EA ID / permit SVT00614 · T/12/03702/O Outlet location SP1781485561 (OS grid reference) · View on Apple Maps WFD catchment Hatchford-Kingshurst Brook from Source to R Cole (GB104028042490) 2024 spills / hours 1 / 0.7 Long-term average 0.4 spills a year (monitored since 2019) Investigation Env Act (SODRP) investigation ongoing Improvement No improvement action in reporting period	Low Brook	0	0.0	down 100%	100%
Commonside Industrial Estate SPS Overflow on sewer network Company site name HUTHWAITE - BLACKWELL ROAD (CSO) EA ID / permit SVT00625 · EPRTB3799VH Outlet location SK4650058300 (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 0.4 spills a year (monitored since 2021) Investigation Env Act (SODRP) investigation ongoing, Operational investigation ongoing Improvement No improvement action in reporting period	Alfreton Brook	0	0.0	no change	100%
Conduit Street CSO Overflow on sewer network Company site name LEICESTER - CONDUIT STREET (CSO) EA ID / permit SVT00630 · T/53/21315/O Outlet location SK5902505670 (OS grid reference) · View on Apple Maps WFD catchment Soar from Sence to Rothley Brook (GB104028047030) 2024 spills / hours 3 / 0.4 Long-term average 0.7 spills a year (monitored since 2020) Investigation Operational investigation completed Improvement No improvement action in reporting period	Grand Union Canal	0	0.0	down 100%	100%
Coppenhall Pumping Station Storm discharge at pumping station Company site name COPPENHALL - BUTTERHILL LANE (SSO) EA ID / permit SVT00632 · T/03/02366/O Outlet location SJ9052019350 (OS grid reference) · View on Apple Maps WFD catchment Penk - Whiston Bk to R Sow (GB104028047121) 2024 spills / hours 3 / 13 Long-term average 2.5 spills a year (monitored since 2022) Investigation Operational investigation ongoing Improvement No improvement action in reporting period	River Penk (Trib)	0	0.0	down 100%	100%
Cornwall Road CSO Overflow on sewer network Company site name SMETHWICK - CORNWALL ROAD (CSO) EA ID / permit SVT00635 · T/08/35701/O Outlet location SP0302489151 (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 0.6 spills a year (monitored since 2019) Investigation Env Act (SODRP) investigation ongoing Improvement No improvement action in reporting period	Hockley Brook	0	0.0	no change	100%
Corporation Street CSO Overflow on sewer network Company site name BIRMINGHAM - CORPORATION STREET (CSO) EA ID / permit SVT00636 · T/09/30263/O Outlet location SP0777788549 (OS grid reference) · View on Apple Maps WFD catchment Hockley Brook Catchment (trib of Rea) (GB104028042640) 2024 spills / hours 4 / 0.4 Long-term average 5.4 spills a year (monitored since 2019) Investigation Env Act (SODRP) investigation ongoing, Operational investigation completed Improvement No improvement action in reporting period	Hockley Brook	0	0.0	down 100%	100%
Narborough - Coventry Road CSO Overflow on sewer network Company site name NARBOROUGH - COVENTRY ROAD (CSO) EA ID / permit SVT00653 · DT/8039 Outlet location SP5407497295 (OS grid reference) · View on Apple Maps WFD catchment Soar from Thurlaston Brook to Sence (GB104028046880) 2024 spills / hours 0 / 0.0 Long-term average 0.0 spills a year (monitored since 2019) Investigation No investigation activity in reporting period Improvement No improvement action in reporting period	River Soar	0	0.0	no change	100%
Coventry Street Island CSO Overflow on sewer network Company site name KIDDERMINSTER - COVENTRY ST ISLAND (CSO) EA ID / permit SVT00658 · S/06/12241/O Outlet location SO8309576692 (OS grid reference) · View on Apple Maps WFD catchment Stour (Worcs) - conf Smestow Bk to conf R Severn (GB109054044710) 2024 spills / hours 0 / 0.0 Long-term average 1.1 spills a year (monitored since 2019) Investigation No investigation activity in reporting period Improvement No improvement action in reporting period	River Stour	0	0.0	no change	100%
Ryknield Road CSO Overflow on sewer network Company site name KILBURN - RYKNIELD ROAD (HIGHBANK) (CSO) EA ID / permit SVT00663 · EPRHB3994WW Outlet location SK3886546035 (OS grid reference) · View on Apple Maps WFD catchment Bottle Brook Catchment (trib of Derwent) (GB104028052300) 2024 spills / hours 0 / 0.0 Long-term average 2.1 spills a year (monitored since 2019) Investigation Env Act (SODRP) investigation ongoing, Operational investigation ongoing Improvement No improvement action in reporting period	Bottle Brook	0	0.0	no change	100%
Cradley Road 1 CSO Overflow on sewer network Company site name CRADLEY HEATH - CRADLEY ROAD (CSO) EA ID / permit SVT00670 · TSC583 Outlet location SO9416686253 (OS grid reference) · View on Apple Maps WFD catchment Stour (Worcs) source to conf Smestow Bk (GB109054044750) 2024 spills / hours 0 / 0.0 Long-term average 0.2 spills a year (monitored since 2020) Investigation Operational investigation completed Improvement No improvement action in reporting period	Mousesweet Brook	0	0.0	no change	100%
CSO at Cressage SPS Storm discharge at pumping station Company site name CRESSAGE (CSO) EA ID / permit SVT00674 · TSC3278 Outlet location SJ5902304356 (OS grid reference) · View on Apple Maps WFD catchment Severn - Sundorne Bk to conf M Wenlock-Farley Bk (GB109054049141) 2024 spills / hours 3 / 50 Long-term average 3.0 spills a year (monitored since 2021) Investigation Env Act (SODRP) investigation ongoing Improvement No improvement action in reporting period	Tributary of River Severn	0	0.0	down 100%	100%
Creswell Manor Farm SPS Storm discharge at pumping station Company site name CRESWELL - CHEBSEY DR (MANOR FARM) (CSO) EA ID / permit SVT00675 · TSC3279 Outlet location SJ9040124815 (OS grid reference) · View on Apple Maps WFD catchment Sow - Doxey Bk to R Penk (GB104028046790) 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	River Snow via C. Flash / T.D.	0	0.0	no change	100%
Creswell Sewage Pumping Station Storm discharge at pumping station Company site name CRESWELL - CRESWELL GROVE (SSO) EA ID / permit SVT00677 · Permit application submitted Outlet location SJ8983425889 (OS grid reference) · View on Apple Maps WFD catchment Sow - Doxey Bk to R Penk (GB104028046790) 2024 spills / hours 11 / 141 Long-term average 12.2 spills a year (monitored since 2021) Investigation UWWTR investigation completed, Operational investigation completed Improvement No improvement action in reporting period	Ditch Tributary of River Sow	0	0.0	down 100%	100%
Crick Pumping Station Storm discharge at pumping station Company site name CRICK - MAIN ROAD (CSO) EA ID / permit SVT00679 · S/10/25236/O Outlet location SP5813072490 (OS grid reference) · View on Apple Maps WFD catchment Clifton Bk - source to conf R Avon (GB109054043900) 2024 spills / hours 0 / 0.0 Long-term average 8.8 spills a year (monitored since 2021) Investigation Env Act (SODRP) investigation ongoing, UWWTR investigation ongoing Improvement No improvement action in reporting period	Clifton Brook	0	0.0	no change	99%
Leamington - Gresham Av/Cromer Rd (CSO) Overflow on sewer network Company site name Leamington - Gresham Av/Cromer Rd (CSO) EA ID / permit SVT00682 · EPR/JB3491WL Outlet location SP3213867064 (OS grid reference) · View on Apple Maps WFD catchment Leam - conf R Itchen to conf R Avon (GB109054044140) 2024 spills / hours – / – Investigation Operational investigation completed Improvement No improvement action in reporting period	Lillington Brook	0	0.0		100%
Cross Heath - Hemstalls Ln (CSO) Overflow on sewer network EA ID / permit SVT00687 · Unpermitted Outlet location SJ8489047073 (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 0.3 spills a year (monitored since 2022) Investigation Env Act (SODRP) investigation ongoing, Operational investigation completed Improvement No improvement action in reporting period	Tributary of Lyme Brook	0	0.0	no change	100%
CSO at Brownhills - Silver St SPS Storm discharge at pumping station Company site name BROWNHILLS - SILVER STREET PS (CSO) EA ID / permit SVT00701 · T/08/00463/O Outlet location SK0428304941 (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 0.0 spills a year (monitored since 2021) Investigation No investigation activity in reporting period Improvement No improvement action in reporting period	Ford Brook	0	0.0	no change	100%
Dale Road/Byron Street CSO Overflow on sewer network Company site name NORMANTON - LOWER DALE RD/BYRON ST (CSO) EA ID / permit SVT00724 · T/48/21195/O Outlet location SK3488634680 (OS grid reference) · View on Apple Maps WFD catchment Derwent from Bottle Brook to Trent (GB104028053240) 2024 spills / hours 0 / 0.0 Long-term average 0.5 spills a year (monitored since 2020) Investigation Operational investigation completed Improvement Operational improvement ongoing	Cotton Brook	0	0.0	no change	99%
Darley Abbey/Allestree Sw-Stm/Emg Storm discharge at pumping station Company site name DARLEY ABBEY - POPLAR ROW (SSO) EA ID / permit SVT00732 · T/46/03716/O Outlet location SK3540038330 (OS grid reference) · View on Apple Maps WFD catchment Derwent from Bottle Brook to Trent (GB104028053240) 2024 spills / hours 0 / 0.0 Long-term average 0.3 spills a year (monitored since 2022) Investigation Operational investigation ongoing Improvement No improvement action in reporting period	River Derwent	0	0.0	no change	100%
Derby - Littleover Lane (CSO) Overflow on sewer network EA ID / permit SVT00751 · Unpermitted Outlet location SK3388333597 (OS grid reference) · View on Apple Maps WFD catchment Cuttle Brook Catchment (trib of Trent) (GB104028053130) 2024 spills / hours 0 / 0.0 Long-term average 1.0 spills a year (monitored since 2022) Investigation Env Act (SODRP) investigation ongoing, Operational investigation completed Improvement Operational improvement completed	Nailsworth Stream	0	0.0	no change	100%
Kegworth - Derby Road (CSO) Overflow on sewer network EA ID / permit SVT00754 · Permit application submitted Outlet location SK4835627241 (OS grid reference) · View on Apple Maps WFD catchment Hemington Brook Catchment (trib of the Soar) (GB104028047410) 2024 spills / hours 0 / 0.0 Long-term average 1.0 spills a year (monitored since 2021) Investigation No investigation activity in reporting period Improvement No improvement action in reporting period	Trib of River Soar	0	0.0	no change	100%
Derby Road Bramcote CSO Overflow on sewer network Company site name BRAMCOTE - DERBY ROAD (CSO) EA ID / permit SVT00755 · T/63/45111/O Outlet location SK5270938240 (OS grid reference) · View on Apple Maps WFD catchment Trent from Soar to The Beck (GB104028053110) 2024 spills / hours 3 / 0.9 Long-term average 4.7 spills a year (monitored since 2019) Investigation Operational investigation completed Improvement No improvement action in reporting period	Tottle Brook	0	0.0	down 100%	100%
Derby Road/Newbridge Road Jct CSO Overflow on sewer network Company site name AMBERGATE - DERBY RD/NEWBRIDGE RD (CSO) EA ID / permit SVT00759 · T/42/22293/O Outlet location SK3469851455 (OS grid reference) · View on Apple Maps WFD catchment Derwent from Amber to Bottle Brook (GB104028052310) 2024 spills / hours 1 / 0.1 Long-term average 3.0 spills a year (monitored since 2019) Investigation Operational investigation completed Improvement No improvement action in reporting period	River Derwent	0	0.0	down 100%	100%
Derrington Sewage Treatment Works Inlet overflow at sewage works Sewage works Derrington Company site name DERRINGTON STW (SSTO) EA ID / permit SVT00761 · T/02/36155/R Outlet location SJ8924023023 (OS grid reference) · View on Apple Maps WFD catchment Doxey Bk - source to R Sow (GB104028047141) 2024 spills / hours 3 / 4.9 Long-term average 1.8 spills a year (monitored since 2021) Monitor below 90% Installation set-up/design issue · Resolved - Mar Investigation Operational investigation completed Improvement No improvement action in reporting period	Tributary of Doxey Brook	0	0.0	down 100%	78%
Devon Road/Surrey Close CSO Overflow on sewer network Company site name CANNOCK - DEVON ROAD/SURREY CLOSE (CSO) EA ID / permit SVT00765 · T/03/21298/O Outlet location SJ9870709865 (OS grid reference) · View on Apple Maps WFD catchment Saredon Brook from Source to River Penk (GB104028046740) 2024 spills / hours 0 / 0.0 Long-term average 0.7 spills a year (monitored since 2019) Investigation Env Act (SODRP) investigation ongoing, Operational investigation completed Improvement No improvement action in reporting period	Ridings Brook	0	0.0	no change	99%
Digbeth Cheapside CSO Overflow on sewer network Company site name DIGBETH - CHEAPSIDE (CSO) EA ID / permit SVT00766 · T/09/36117/O Outlet location SP0767686146 (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 0.2 spills a year (monitored since 2020) Investigation Env Act (SODRP) investigation ongoing, Operational investigation completed Improvement No improvement action in reporting period	River Rea	0	0.0	no change	100%
Moira - Donisthorpe Lane SPS Storm discharge at pumping station Company site name MOIRA - DONISTHORPE ROAD PS (CSO) EA ID / permit SVT00779 · T/23/01426/O Outlet location SK3094414649 (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 0.6 spills a year (monitored since 2021) Investigation No investigation activity in reporting period Improvement No improvement action in reporting period	Tributary of Hooborough Brook	0	0.0	no change	100%
Little Drybrook (CSO) Storm discharge at pumping station EA ID / permit SVT00795 · Permit application submitted Outlet location SO5960007283 (OS grid reference) · View on Apple Maps WFD catchment Cannop Bk - source to R Severn Estuary (GB109054032640) 2024 spills / hours 1 / 5.2 Long-term average 0.4 spills a year (monitored since 2021) Investigation No investigation activity in reporting period Improvement No improvement action in reporting period	Dry Brook	0	0.0	down 100%	98%
Wolverhampton - Dudding Road (CSO) Overflow on sewer network EA ID / permit SVT00796 · EPRJB3390RA Outlet location SO9200996187 (OS grid reference) · View on Apple Maps WFD catchment Tame (W/ton Arm) source to conf Oldbury (GB104028046930) 2024 spills / hours 1 / 0.2 Long-term average 0.6 spills a year (monitored since 2021) Investigation Env Act (SODRP) investigation ongoing, Operational investigation completed Improvement No improvement action in reporting period	Darlaston Brook	0	0.0	down 100%	100%
Dudley Road CSO Overflow on sewer network Company site name HALESOWEN - DUDLEY ROAD (CSO) EA ID / permit SVT00800 · S/06/21185/O Outlet location SO9691184070 (OS grid reference) · View on Apple Maps WFD catchment Stour (Worcs) source to conf Smestow Bk (GB109054044750) 2024 spills / hours 0 / 0.0 Long-term average 0.6 spills a year (monitored since 2019) Investigation Operational investigation completed Improvement No improvement action in reporting period	Illey Brook	0	0.0	no change	99%
Dudley Street CSO Overflow on sewer network Company site name SWAN VILLAGE - DUDLEY STREET (CSO) EA ID / permit SVT00801 · T/08/08407/O Outlet location SO9787192691 (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 0.0 spills a year (monitored since 2019) Investigation Env Act (SODRP) investigation ongoing, Operational investigation completed Improvement No improvement action in reporting period	River Tame	0	0.0	no change	100%
Dunkirk Pumping Station Storm discharge at pumping station Company site name DUNKIRK - LENTON LANE (SSO) EA ID / permit SVT00807 · T/62/40322/O Outlet location SK5573038370 (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 12.3 spills a year (monitored since 2023) Investigation Env Act (SODRP) investigation ongoing, UWWTR investigation completed, Operational investigation completed Improvement Operational improvement completed	River Leen	0	0.0	no change	100%
Earlsdon - Albany Road (CSO) Overflow on sewer network EA ID / permit SVT00816 · Unpermitted Outlet location SP3258778872 (OS grid reference) · View on Apple Maps WFD catchment Sherbourne - source to conf R Sowe (GB109054044620) 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	River Sherbourne	0	0.0	no change	99%
Balsall Heath - Edgbaston Road CSO Overflow on sewer network Company site name BALSALL HEATH - EDGBASTON ROAD (CSO) EA ID / permit SVT00843 · DT/9845 Outlet location SP0680784120 (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 0.0 spills a year (monitored since 2021) Investigation Env Act (SODRP) investigation ongoing, Operational investigation completed Improvement No improvement action in reporting period	River Rea	0	0.0	no change	100%
Edward Street CSO Overflow on sewer network Company site name BALSALL HEATH - EDWARD ROAD (CSO) EA ID / permit SVT00846 · T/09/21428/O Outlet location SP0695584550 (OS grid reference) · View on Apple Maps WFD catchment Rea from Bourn Brook to River Tame (GB104028042550) 2024 spills / hours 31 / 32 Long-term average 12.7 spills a year (monitored since 2020) Monitor below 90% Installation set-up/design issue · Resolved - Oct Investigation Env Act (SODRP) investigation ongoing, UWWTR investigation completed, Operational investigation completed Improvement No improvement action in reporting period	River Rea	0	0.0	down 100%	20%
Chesterton - Apedale SPS Storm discharge at pumping station Company site name CHESTERTON - APEDALE ROAD PS (CSO) EA ID / permit SVT00850 · T/01/01887/O Outlet location SJ8258148976 (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 Brook	0	0.0	no change	100%
Clifton - Mayfield Road PS (CSO) Storm discharge at pumping station EA ID / permit SVT00852 · Unpermitted Outlet location SK1620045500 (OS grid reference) · View on Apple Maps WFD catchment Dove - conf R Manifold to conf R Churnet (GB104028052670) 2024 spills / hours 4 / 39 Long-term average 5.2 spills a year (monitored since 2021) Investigation Operational investigation completed Improvement No improvement action in reporting period	Henmore/Scow Brook	0	0.0	down 100%	98%

Sewage treatment works

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

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