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
Elford Sewage Treatment Works Storm tank at sewage works Sewage works Elford Company site name ELFORD STW (SSTO) EA ID / permit SVT00854 · T/22/35591/R Outlet location SK1895610294 (OS grid reference) · View on Apple Maps WFD catchment Tame from River Anker to River Trent (GB104028047050) 2024 spills / hours 1 / 0.1 Long-term average 38.7 spills a year (monitored since 2020) Investigation Env Act (SODRP) investigation ongoing, UWWTR investigation completed, Operational investigation completed Improvement Operational improvement ongoing	River Tame	0	0.0	down 100%	99%
Ellerdine STW (Ssto) Storm tank at sewage works Sewage works Ellerdine EA ID / permit SVT00856 · S/04/56083/R Outlet location SJ6211020990 (OS grid reference) · View on Apple Maps WFD catchment Tern - conf R Meese to conf R Roden (GB109054050170) 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	Unnamed Trib of Lakemoor Brook	0	0.0	no change	100%
Ellwood - Holly Lane SPS Storm discharge at pumping station Company site name ELLWOOD - HOLLY LANE (SSO) EA ID / permit SVT00859 · S/20/26859/O Outlet location SO5936607807 (OS grid reference) · View on Apple Maps WFD catchment Cannop Bk - source to R Severn Estuary (GB109054032640) 2024 spills / hours 0 / 0.0 Long-term average 3.0 spills a year (monitored since 2021) Investigation No investigation activity in reporting period Improvement No improvement action in reporting period	Tributary of Dry Brook	0	0.0	no change	100%
EO at Brinsley Hill Pumping Station Overflow on sewer network Company site name SELSTON GREEN - SELSTON ROAD (CSO) EA ID / permit SVT00870 · EPRTB3795WL Outlet location SK4490051000 (OS grid reference) · View on Apple Maps WFD catchment Erewash from Source to Nethergreen Brook (GB104028052740) 2024 spills / hours 1 / 0.3 Long-term average 0.6 spills a year (monitored since 2021) Investigation Env Act (SODRP) investigation ongoing, UWWTR investigation ongoing Improvement No improvement action in reporting period	River Erewash	0	0.0	down 100%	100%
Epworth STW Storm tank at sewage works Sewage works Epworth Company site name EPWORTH STW (SSTO) EA ID / permit SVT00871 · EPRCB3492RW Outlet location SE7574906818 (OS grid reference) · View on Apple Maps WFD catchment Torne/Three Rivers from Mother Drain to Trent (GB104028064340) 2024 spills / hours 0 / 0.0 Long-term average 8.6 spills a year (monitored since 2021) Investigation UWWTR investigation ongoing, Operational investigation completed Improvement UWWTR improvement completed, Operational improvement completed	River Torne	0	0.0	no change	100%
Etruria Road CSO Overflow on sewer network Company site name ETRURIA - ETRURIA ROAD 457 (CSO) EA ID / permit SVT00873 · T/01/22640/O Outlet location SJ8646646970 (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 0.1 spills a year (monitored since 2019) Investigation Env Act (SODRP) investigation ongoing, Operational investigation completed Improvement No improvement action in reporting period	Fowlea Brook via SWS	0	0.0	no change	100%
Evesham - Boat Lane (CSO) Overflow on sewer network EA ID / permit SVT00879 · Permit application submitted Outlet location SP0299043700 (OS grid reference) · View on Apple Maps WFD catchment Avon conf Workman Br, Evesham to conf R Severn (GB109054044403) 2024 spills / hours 2 / 0.5 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	River Avon	0	0.0	down 100%	100%
Evesham SPS Storm discharge at pumping station Company site name EVESHAM - COMMON ROAD 6 (CSO) EA ID / permit SVT00881 · S/17/21571/O Outlet location SP0425744028 (OS grid reference) · View on Apple Maps WFD catchment Avon- Tramway Br Stratford to Workman Br Evesham (GB109054044401) 2024 spills / hours 2 / 29 Long-term average 0.6 spills a year (monitored since 2019) Investigation Operational investigation completed Improvement No improvement action in reporting period	River Avon	0	0.0	down 100%	100%
Fenny Compton STW Inlet overflow at sewage works Sewage works Fenny Compton Company site name FENNY COMPTON STW 6DWF (CSO) EA ID / permit SVT00892 · S/12/25307/R Outlet location SP4203853138 (OS grid reference) · View on Apple Maps WFD catchment Itchen - source to conf with R Stowe (GB109054044070) 2024 spills / hours – / – Long-term average 89.7 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 Operational improvement completed	Tributary of the River Itchen	–	–		–
Findern STW Inlet overflow at sewage works Sewage works Findern Company site name FINDERN STW (CSO) EA ID / permit SVT00902 · T/36/45583/R Outlet location SK3175230220 (OS grid reference) · View on Apple Maps WFD catchment Twyford Brook Catchment (trib of Trent) (GB104028053140) 2024 spills / hours 25 / 121 Long-term average 25.5 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 Improvement No improvement action in reporting period	Hellbrook Trib of Twyfordbrook	–	–		–
Flintham - Main Street Sewage PS Storm discharge at pumping station Company site name FLINTHAM - MAIN STREET (SSO) EA ID / permit SVT00910 · T/67/22142/O Outlet location SK7451645600 (OS grid reference) · View on Apple Maps WFD catchment Beck Dyke from Source to Car Dyke (GB104028052550) 2024 spills / hours 3 / 2.0 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	Beck Dyke	0	0.0	down 100%	100%
Birmingham - Floyer Road (CSO) Overflow on sewer network EA ID / permit SVT00912 · Permit application submitted Outlet location SP1076986099 (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 0.4 spills a year (monitored since 2021) Investigation Operational investigation completed Improvement No improvement action in reporting period	River Cole	0	0.0	no change	100%
Flyford Flavell STW Storm tank at sewage works Sewage works Flyford Flavell Company site name FLYFORD FLAVELL STW (SSTO) EA ID / permit SVT00913 · S/17/26537/R Outlet location SO9802055630 (OS grid reference) · View on Apple Maps WFD catchment Piddle Bk - source to conf Whitsun Bk (GB109054043700) 2024 spills / hours 50 / 632 Long-term average 32.4 spills a year (monitored since 2021) Investigation UWWTR investigation completed, Operational investigation completed Improvement UWWTR improvement ongoing, Operational improvement completed	Piddle Brook	0	0.0	down 100%	100%
Forest Glen (SSO) Storm discharge at pumping station EA ID / permit SVT00916 · Unpermitted Outlet location SJ6378009340 (OS grid reference) · View on Apple Maps WFD catchment Beanhill Brook source to shawbirch B4394 (GB109054050090) 2024 spills / hours 0 / 0.0 Long-term average 0.5 spills a year (monitored since 2022) Investigation No investigation activity in reporting period Improvement No improvement action in reporting period	Trib of Beanhill Brook	0	0.0	no change	100%
Forton Sewage Treatment Works Storm tank at sewage works Sewage works Forton Company site name FORTON (STW) EA ID / permit SVT00919 · S/04/55545/R Outlet location SJ7510220779 (OS grid reference) · View on Apple Maps WFD catchment Meese - Outflow Aqualate Mere to conf R Ter (GB109054050200) 2024 spills / hours 0 / 0.0 Long-term average 0.0 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, Operational investigation completed Improvement Operational improvement completed	River Meese	–	–		–
Frampton STW Storm tank at sewage works Sewage works Frampton Company site name FRAMPTON STW (SSTO) EA ID / permit SVT00922 · S/20/26558/R Outlet location SO7362908654 (OS grid reference) · View on Apple Maps WFD catchment SEVERN MIDDLE (GB530905415402) 2024 spills / hours 96 / 2,128 Long-term average 102.2 spills a year (monitored since 2021) Investigation UWWTR investigation completed, Operational investigation completed Improvement Operational improvement completed	Trib of River Severn (Tidal)	0	0.0	down 100%	100%
Fredas Grove CSO Overflow on sewer network Company site name HARBORNE - FREDAS GR (TIMBER YARD) (CSO) EA ID / permit SVT00926 · T/08/36421/O Outlet location SP0251483968 (OS grid reference) · View on Apple Maps WFD catchment Bourn Brook from Source to R Rea (GB104028042540) 2024 spills / hours 0 / 0.0 Long-term average 0.7 spills a year (monitored since 2019) Investigation Operational investigation completed Improvement No improvement action in reporting period	Trib of Bourn Brook	0	0.0	no change	100%
Frederick Road CSO Overflow on sewer network Company site name EDGBASTON - FREDERICK RD 1 (CSO) EA ID / permit SVT00927 · T/09/30215/O Outlet location SP0739685240 (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 3.2 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	down 100%	100%
Gannicox Road CSO Overflow on sewer network Company site name STROUD - GANNICOX ROAD 2 (SDC 55) (CSO) EA ID / permit SVT00941 · S/22/21189/O Outlet location SO8451905211 (OS grid reference) · View on Apple Maps WFD catchment Painswick Stream - source to confluence Stroudwater (GB109054032460) 2024 spills / hours 0 / 0.0 Long-term average 10.2 spills a year (monitored since 2020) Investigation UWWTR investigation ongoing, Operational investigation completed Improvement Operational improvement completed	Painswick Stream	0	0.0	no change	98%
Garner Street CSO Overflow on sewer network Company site name ETRURIA - GARNER STREET (CSO) EA ID / permit SVT00942 · T/01/21052/O Outlet location SJ8670946522 (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 26.8 spills a year (monitored since 2020) Investigation Env Act (SODRP) investigation ongoing, UWWTR investigation completed, Operational investigation completed Improvement Operational improvement completed	Fowlea Brook	0	0.0	no change	94%
Gawne Lane CSO Overflow on sewer network Company site name CRADLEY HEATH - GAWNE LANE (CSO) EA ID / permit SVT00944 · S/06/21065/O Outlet location SO9547187588 (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 5.0 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%
Gerrard Close CSO Overflow on sewer network Company site name LOZELLS - GERRARD CLOSE (CSO) EA ID / permit SVT00946 · T/09/21293/O Outlet location SP0643688873 (OS grid reference) · View on Apple Maps WFD catchment Hockley Brook Catchment (trib of Rea) (GB104028042640) 2024 spills / hours 1 / 0.2 Long-term average 0.3 spills a year (monitored since 2020) Investigation Env Act (SODRP) investigation ongoing, Operational investigation completed Improvement No improvement action in reporting period	Hockley Brook	0	0.0	down 100%	100%
Glasshouse Hill CSO Overflow on sewer network Company site name CODNOR - GLASSHOUSE HILL 81 (CSO) EA ID / permit SVT00952 · T/61/46414/O Outlet location SK4187450120 (OS grid reference) · View on Apple Maps WFD catchment Bailey Brook Catchment (trib of Erewash) (GB104028052590) 2024 spills / hours 0 / 0.0 Long-term average 1.0 spills a year (monitored since 2021) Investigation Env Act (SODRP) investigation ongoing Improvement No improvement action in reporting period	Tributary of Bailey Brook	0	0.0	no change	100%
Glenfield/Kirby Muxloe PS/Stm/SWS Storm discharge at pumping station Company site name LEICESTER FOREST-BULLS HEAD PS (CSO) EA ID / permit SVT00964 · T/56/02605/O Outlet location SK5230004400 (OS grid reference) · View on Apple Maps WFD catchment Thurlaston Brook Catchment (trib of Soar) (GB104028046940) 2024 spills / hours 6 / 75 Long-term average 1.4 spills a year (monitored since 2021) Investigation Env Act (SODRP) investigation ongoing Improvement No improvement action in reporting period	Glenfield/Braunstone/K/Mux Br	0	0.0	down 100%	100%
Goodman Street CSO Overflow on sewer network Company site name LADYWOOD - GOODMAN STREET (CSO) EA ID / permit SVT00972 · T/09/21230/O Outlet location SP0579388645 (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 0.7 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	no change	99%
Great Bridgeford SPS Storm discharge at pumping station Company site name GREAT BRIDGEFORD -ECCLESHALL RD PS (CSO) EA ID / permit SVT00992 · T/02/30245/O Outlet location SJ8831927028 (OS grid reference) · View on Apple Maps WFD catchment Sow - Brockton Bk to Doxey Bk (GB104028047220) 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	River Sow	0	0.0	no change	99%
Green Lanes CSO Overflow on sewer network Company site name ERDINGTON - GREEN LANES (CSO) EA ID / permit SVT01004 · T/10/35737/O Outlet location SP1030692294 (OS grid reference) · View on Apple Maps WFD catchment Tame - conf two arms to R Rea (GB104028046842) 2024 spills / hours 2 / 2.0 Long-term average 1.7 spills a year (monitored since 2020) Investigation Env Act (SODRP) investigation ongoing, Operational investigation completed Improvement No improvement action in reporting period	Tributary of Hawthorn Brook	0	0.0	down 100%	100%
Green St Combined Sewer Overflow Overflow on sewer network Company site name BIRMINGHAM - GREEN STREET (CSO) EA ID / permit SVT01005 · T/09/36504/O Outlet location SP0784586347 (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 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%
Handsworth -Grosvenor/Calthorpe Rd (CSO) Overflow on sewer network EA ID / permit SVT01016 · Unpermitted Outlet location SP0660091260 (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 0.2 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%
Grove Lane Combined Sewage Overflow Overflow on sewer network Company site name HANDSWORTH - GROVE LANE/ALBERT RD (CSO) EA ID / permit SVT01017 · T/08/35643/O Outlet location SP0660291259 (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 0.1 spills a year (monitored since 2019) Investigation Env Act (SODRP) investigation ongoing, Operational investigation completed Improvement No improvement action in reporting period	River Tame via SWS	0	0.0	no change	100%
Gunness Sewage Treatment Works Storm tank at sewage works Sewage works Gunness Company site name GUNNESS STW (CSO) EA ID / permit SVT01020 · T/84/45990/R Outlet location SE8391012320 (OS grid reference) · View on Apple Maps WFD catchment Humber estuary TRaC (GB530402609203) 2024 spills / hours 3 / 0.3 Long-term average 1.8 spills a year (monitored since 2021) Investigation No investigation activity in reporting period Improvement No improvement action in reporting period	River Trent	0	0.0	down 100%	100%
Hamstead Road / Walcot Drive CSO Overflow on sewer network Company site name GREAT BARR - HAMSTEAD RD/WALCOT DR (CSO) EA ID / permit SVT01035 · T/08/12277/O Outlet location SP0447592799 (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 0.6 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 Tame	0	0.0	no change	100%
Handsworth - Albert Road 31 (CSO) Overflow on sewer network EA ID / permit SVT01041 · Permit application submitted Outlet location SP0530990313 (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 0.0 spills a year (monitored since 2021) Investigation Env Act (SODRP) investigation ongoing, Operational investigation completed Improvement No improvement action in reporting period	Unnamed Pond in Victoria Park (Boating Lake)	0	0.0	no change	100%
Lichfield Street/Leek Road Overflow on sewer network Company site name HANLEY - LICHFIELD ST/LEEK ROAD 1 (CSO) EA ID / permit SVT01049 · T/01/12372/O Outlet location SJ8887346312 (OS grid reference) · View on Apple Maps WFD catchment Trent - Ford Green Bk to Fowlea Bk (GB104028053301) 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	River Trent (Non Tidal)	0	0.0	no change	100%
High Street/Bull Street CSO Overflow on sewer network Company site name HARBORNE - HIGH STREET/BULL STREET (CSO) EA ID / permit SVT01052 · T/09/36419/O Outlet location SP0390985035 (OS grid reference) · View on Apple Maps WFD catchment Bourn Brook from Source to R Rea (GB104028042540) 2024 spills / hours 2 / 0.5 Long-term average 1.5 spills a year (monitored since 2020) Investigation Operational investigation completed Improvement No improvement action in reporting period	Chad Brook	0	0.0	down 100%	100%
Harborne Lane CSO Overflow on sewer network Company site name SELLY OAK - HARBORNE LANE (CSO) EA ID / permit SVT01056 · T/09/36440/O Outlet location SP0407783206 (OS grid reference) · View on Apple Maps WFD catchment Bourn Brook from Source to R Rea (GB104028042540) 2024 spills / hours 2 / 1.1 Long-term average 1.0 spills a year (monitored since 2020) Investigation Operational investigation completed Improvement No improvement action in reporting period	Bourn Brook	0	0.0	down 100%	100%
Harby Es, Long Clawson,Stathern SPS Storm discharge at pumping station Company site name HARBY - LANGER LANE (SSO) EA ID / permit SVT01064 · EPRYB3092VF Outlet location SK7337029390 (OS grid reference) · View on Apple Maps WFD catchment Stroom Dyke Catchment (trib of Smite) (GB104028053030) 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 and Canal (See Outlets)	0	0.0	no change	100%
Haughton Sewage Treatment Works Storm tank at sewage works Sewage works Haughton Company site name HAUGHTON STW (SSTO) EA ID / permit SVT01088 · T/02/35592/R Outlet location SJ8690920914 (OS grid reference) · View on Apple Maps WFD catchment Doxey Bk - source to R Sow (GB104028047141) 2024 spills / hours 37 / 102 Long-term average 10.2 spills a year (monitored since 2021) Monitor below 90% Comms failure / issue · Resolved - Feb Investigation UWWTR investigation completed, Operational investigation completed Improvement No improvement action in reporting period	Tributary of Doxey Brook	0	0.0	down 100%	85%
Hinckley - Hawley Road (CSO) Overflow on sewer network EA ID / permit SVT01092 · T/19/00793/O Outlet location SP4219192831 (OS grid reference) · View on Apple Maps WFD catchment Sketchley Brook from Source to River Anker (GB104028042470) 2024 spills / hours 7 / 6.9 Long-term average 2.7 spills a year (monitored since 2022) Investigation Env Act (SODRP) investigation ongoing, Operational investigation ongoing Improvement No improvement action in reporting period	Sketchley Brook	0	0.0	down 100%	100%
Hawthorne Avenue CSO Overflow on sewer network Company site name BORROWASH - HAWTHORNE AVE (CSO) EA ID / permit SVT01093 · T/48/22355/O Outlet location SK4224034960 (OS grid reference) · View on Apple Maps WFD catchment Derwent from Bottle Brook to Trent (GB104028053240) 2024 spills / hours 2 / 1.6 Long-term average 1.7 spills a year (monitored since 2019) Investigation Operational investigation completed Improvement No improvement action in reporting period	Ock Brook	0	0.0	down 100%	100%
Hayes Lane CSO Overflow on sewer network Company site name LYE - HAYES LANE (CSO) EA ID / permit SVT01096 · S/06/55808/O Outlet location SO9305185150 (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 0.3 spills a year (monitored since 2020) Investigation Operational investigation completed Improvement Operational improvement ongoing	River Stour	0	0.0	no change	98%
Heage - Brook Street 3 CSO Overflow on sewer network Company site name HEAGE - BROOK STREET 3 (CSO) EA ID / permit SVT01098 · T/41/21456/O Outlet location SK3719350341 (OS grid reference) · View on Apple Maps WFD catchment Amber from Alfreton Brook to Derwent (GB104028052330) 2024 spills / hours 9 / 3.4 Long-term average 6.8 spills a year (monitored since 2021) Investigation Env Act (SODRP) investigation ongoing, UWWTR investigation ongoing Improvement No improvement action in reporting period	Downmeadow Brook	0	0.0	down 100%	100%
Heanor - 143 Hands Road CSO Overflow on sewer network Company site name HEANOR - HANDS ROAD (CSO) EA ID / permit SVT01101 · T/61/45630/O Outlet location SK4446946349 (OS grid reference) · View on Apple Maps WFD catchment Bailey Brook Catchment (trib of Erewash) (GB104028052590) 2024 spills / hours 0 / 0.0 Long-term average 0.4 spills a year (monitored since 2021) Investigation Env Act (SODRP) investigation ongoing Improvement No improvement action in reporting period	Tributary of Bailey Brook	0	0.0	no change	100%
Heanor - Heanor Road CSO Overflow on sewer network Company site name HEANOR - HEANOR ROAD (CSO) EA ID / permit SVT01104 · T/61/21519/O Outlet location SK4289947418 (OS grid reference) · View on Apple Maps WFD catchment Bailey Brook Catchment (trib of Erewash) (GB104028052590) 2024 spills / hours 2 / 0.3 Long-term average 5.8 spills a year (monitored since 2021) Investigation Env Act (SODRP) investigation ongoing, Operational investigation ongoing Improvement No improvement action in reporting period	Bailey Brook	0	0.0	down 100%	100%
Hemington - Main Street Sewage PS Storm discharge at pumping station Company site name HEMINGTON - MAIN STREET (SSO) EA ID / permit SVT01111 · T/59/40159/O Outlet location SK4556428290 (OS grid reference) · View on Apple Maps WFD catchment Hemington Brook Catchment (trib of the Soar) (GB104028047410) 2024 spills / hours 1 / 0.7 Long-term average 0.2 spills a year (monitored since 2021) Investigation No investigation activity in reporting period Improvement No improvement action in reporting period	Hemington Brook	0	0.0	down 100%	100%
High Street (Dosthill) CSO Overflow on sewer network Company site name DOSTHILL - HIGH STREET (CSO) EA ID / permit SVT01120 · T/16/35997/O Outlet location SK2148200504 (OS grid reference) · View on Apple Maps WFD catchment Tame from R Blythe to River Anker (GB104028046440) 2024 spills / hours 0 / 0.0 Long-term average 3.4 spills a year (monitored since 2019) Monitor below 90% Installation set-up/design issue · Resolved - Feb Investigation Env Act (SODRP) investigation ongoing, Operational investigation completed Improvement No improvement action in reporting period	Trib of River Tame	0	0.0	no change	84%
Mayfield Road CSO Overflow on sewer network Company site name HIGHFIELDS - MAYFIELD ROAD (CSO) EA ID / permit SVT01129 · T/53/21444/O Outlet location SK6065703136 (OS grid reference) · View on Apple Maps WFD catchment Evington Brook from Source to Willow Brook (GB104028046960) 2024 spills / hours 5 / 16 Long-term average 0.9 spills a year (monitored since 2019) Investigation Operational investigation ongoing Improvement No improvement action in reporting period	Evington Brook	0	0.0	down 100%	100%
Holbrook - Town Street CSO Overflow on sewer network Company site name HOLBROOK - WATERING LANE (CSO) EA ID / permit SVT01159 · EPRUB3395DB Outlet location SK3661344917 (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 0.0 spills a year (monitored since 2021) Investigation Env Act (SODRP) investigation ongoing, Operational investigation completed Improvement No improvement action in reporting period	Tributary of Bottle Brook	0	0.0	no change	100%
Holbrook - Town Street CSO Overflow on sewer network Company site name HOLBROOK - TOWN STREET (CSO) EA ID / permit SVT01160 · T/45/40156/O Outlet location SK3661344917 (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 4.4 spills a year (monitored since 2021) Investigation Env Act (SODRP) investigation ongoing Improvement No improvement action in reporting period	Tributary of Bottle Brook	0	0.0	no change	100%
Holbrooks - Whitmore Park Road (CSO) Overflow on sewer network EA ID / permit SVT01161 · Unpermitted Outlet location SP3383183169 (OS grid reference) · View on Apple Maps WFD catchment Sowe - conf Breach Bk to conf Withy Bk (GB109054044660) 2024 spills / hours 0 / 0.0 Long-term average 0.0 spills a year (monitored since 2022) Investigation Operational investigation completed Improvement No improvement action in reporting period	River Sowe	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.

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