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
Tiddington Road CSO Overflow on sewer network Company site name STRATFORD - TIDDINGTON ROAD (CSO) EA ID / permit SVT02323 · S/13/09259/O Outlet location SP2070154829 (OS grid reference) · View on Apple Maps WFD catchment Avon (Wark) conf R Leam to Tramway Br, Stratford (GB109054044402) 2024 spills / hours 7 / 22 Long-term average 3.0 spills a year (monitored since 2019) Investigation Env Act (SODRP) investigation ongoing, Operational investigation completed Improvement No improvement action in reporting period Volume & pollution Estimate from 5.5 hours spilling →	River Avon	3	5.5	down 57%	100%
Great Northern Road CSO Overflow on sewer network Company site name DERBY - GREAT NORTHERN ROAD (CSO) EA ID / permit SVT00998 · T/47/21118/O Outlet location SK3437036130 (OS grid reference) · View on Apple Maps WFD catchment Markeaton Brook from Mackworth Brook to Derwent (GB104028052830) 2024 spills / hours 5 / 1.8 Long-term average 9.6 spills a year (monitored since 2019) Investigation Env Act (SODRP) investigation ongoing, Operational investigation completed Improvement No improvement action in reporting period Volume & pollution Estimate from 5.4 hours spilling →	Markeaton Brook	23	5.4	up 360%	100%
Ragdale STW Inlet overflow at sewage works Sewage works Ragdale Company site name RAGDALE STW (CSO&EO) EA ID / permit SVT01857 · T/55/45545/R Outlet location SK6631619556 (OS grid reference) · View on Apple Maps WFD catchment Eye / Wreake from Langham Brook to Soar (GB104028047550) 2024 spills / hours 2 / 1.4 Long-term average 11.3 spills a year (monitored since 2020) Investigation UWWTR investigation completed Improvement No improvement action in reporting period Volume & pollution Estimate from 5.4 hours spilling →	River Trent	2	5.4	no change	100%
Handsworth - Nineveh Road 1 CSO Overflow on sewer network Company site name HANDSWORTH -NINEVEH RD/HOLLIDAY ST (CSO) EA ID / permit SVT01042 · T/08/35895/O Outlet location SP0468189174 (OS grid reference) · View on Apple Maps WFD catchment Hockley Brook Catchment (trib of Rea) (GB104028042640) 2024 spills / hours 26 / 15 Long-term average 17.8 spills a year (monitored since 2021) Investigation Env Act (SODRP) investigation ongoing, UWWTR investigation ongoing Improvement No improvement action in reporting period Volume & pollution Estimate from 5.4 hours spilling →	Hockley Brook	7	5.4	down 73%	100%
Canalside Sch Lane/Ludgate Road CSO Storm discharge at pumping station Company site name HOPWAS - CANALSIDE SCHOOL LANE (CSO) EA ID / permit SVT00462 · T/22/35105/O Outlet location SK1807405137 (OS grid reference) · View on Apple Maps WFD catchment Tame from River Anker to River Trent (GB104028047050) 2024 spills / hours 21 / 10 Long-term average 16.1 spills a year (monitored since 2019) Investigation Env Act (SODRP) investigation ongoing, UWWTR investigation completed, Operational investigation ongoing Improvement No improvement action in reporting period Volume & pollution Estimate from 5.3 hours spilling →	River Tame	13	5.3	down 38%	95%
Uttoxeter - Dove Bank Rd CSO Overflow on sewer network Company site name UTTOXETER - DOVE BANK ROAD (CSO) EA ID / permit SVT02375 · T/33/21089/O Outlet location SK0964033610 (OS grid reference) · View on Apple Maps WFD catchment Picknall Bk catchment (trib of Dove) (GB104028052410) 2024 spills / hours 5 / 3.4 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 5.3 hours spilling →	Trib of Picknall Brook	6	5.3	up 20%	100%
Longton - Amison Street CSO Overflow on sewer network Company site name LONGTON - AMISON STREET (CSO) EA ID / permit SVT00075 · T/01/36226/O Outlet location SJ9118443521 (OS grid reference) · View on Apple Maps WFD catchment Longton Bk - source to R Trent (GB104028053273) 2024 spills / hours 21 / 10 Long-term average 9.3 spills a year (monitored since 2020) Investigation Env Act (SODRP) investigation ongoing, Operational investigation ongoing Improvement No improvement action in reporting period Volume & pollution Estimate from 5.2 hours spilling →	Anchor Brook	18	5.2	down 14%	100%
Orchard St/Waverly St Junction CSO Overflow on sewer network Company site name WORCESTER - ORCHARD ST (CSO) EA ID / permit SVT01727 · S/08/21015/O Outlet location SO8529952990 (OS grid reference) · View on Apple Maps WFD catchment Severn - conf R Stour to conf RIver Teme (GB109054049144) 2024 spills / hours 44 / 116 Long-term average 26.6 spills a year (monitored since 2019) Investigation UWWTR investigation completed, Operational investigation completed Improvement Operational improvement completed Volume & pollution Estimate from 5.2 hours spilling →	Duck Brook	10	5.2	down 77%	96%
Shirley Sewage Treatment Works Storm tank at sewage works Sewage works Shirley Company site name SHIRLEY STW (SSTO) EA ID / permit SVT02025 · T/34/35585/R Outlet location SK2152641235 (OS grid reference) · View on Apple Maps WFD catchment Hilton Bk (trib of R Dove) (GB104028052870) 2024 spills / hours 2 / 0.7 Long-term average 11.0 spills a year (monitored since 2020) Investigation UWWTR investigation ongoing Improvement No improvement action in reporting period Volume & pollution Estimate from 5.1 hours spilling →	Tributary of Shirley Brook	5	5.1	up 150%	100%
Sports Ground CSO Overflow on sewer network Company site name SMALL HEATH - GOLDEN HILLOCK ROAD (CSO) EA ID / permit SVT02129 · T/12/36422/O Outlet location SP1019184438 (OS grid reference) · View on Apple Maps WFD catchment Cole from Springfield to Hatchford-Kingshurst Brook (GB104028042502) 2024 spills / hours 10 / 9.2 Long-term average 9.3 spills a year (monitored since 2020) Investigation UWWTR investigation ongoing Improvement No improvement action in reporting period Volume & pollution Estimate from 5.1 hours spilling →	Spark Brook	5	5.1	down 50%	100%
Booth Street CSO Overflow on sewer network Company site name SMETHWICK - BOOTH ST/DOWNING ST (CSO) EA ID / permit SVT00306 · T/08/35699/O Outlet location SP0336089170 (OS grid reference) · View on Apple Maps WFD catchment Hockley Brook Catchment (trib of Rea) (GB104028042640) 2024 spills / hours 14 / 6.5 Long-term average 9.4 spills a year (monitored since 2019) Investigation Env Act (SODRP) investigation ongoing Improvement No improvement action in reporting period Volume & pollution Estimate from 5.1 hours spilling →	Hockley Brook	9	5.1	down 36%	100%
Hawbush Road CSO Overflow on sewer network Company site name BRIERLEY HILL - HAWBUSH ROAD (CSO) EA ID / permit SVT01089 · S/06/21751/O Outlet location SO9026786614 (OS grid reference) · View on Apple Maps WFD catchment Stour (Worcs) source to conf Smestow Bk (GB109054044750) 2024 spills / hours 15 / 13 Long-term average 16.6 spills a year (monitored since 2020) Investigation UWWTR investigation ongoing, Operational investigation ongoing Improvement No improvement action in reporting period Volume & pollution Estimate from 5.1 hours spilling →	Audnam Brook	11	5.1	down 27%	100%
Mickleover - Dresden Close 20 (CSO) Overflow on sewer network EA ID / permit SVT01305 · EPRHB3996VD Outlet location SK2950034300 (OS grid reference) · View on Apple Maps WFD catchment Eggington Brook Catchment (trib of Trent) (GB104028053170) 2024 spills / hours 2 / 1.4 Long-term average 8.0 spills a year (monitored since 2019) Investigation Operational investigation completed Improvement Operational improvement completed Volume & pollution Estimate from 5.1 hours spilling →	Bonehills Brook	7	5.1	up 250%	100%
Stafford - Broad Eye (SSO) Storm discharge at pumping station EA ID / permit SVT00359 · Permit application submitted Outlet location SJ9177823263 (OS grid reference) · View on Apple Maps WFD catchment Sow - Doxey Bk to R Penk (GB104028046790) 2024 spills / hours 18 / 51 Long-term average 8.8 spills a year (monitored since 2021) Investigation UWWTR investigation completed, Operational investigation completed Improvement Operational improvement completed Volume & pollution Estimate from 5.1 hours spilling →	River Sow	4	5.1	down 78%	100%
Pleck Road CSO Overflow on sewer network Company site name WALSALL - PLECK ROAD (CSO) EA ID / permit SVT01802 · T/08/36234/O Outlet location SP0070997784 (OS grid reference) · View on Apple Maps WFD catchment Ford Brook from Source to River Tame (GB104028046990) 2024 spills / hours 22 / 14 Long-term average 11.1 spills a year (monitored since 2019) Investigation Env Act (SODRP) investigation ongoing, UWWTR investigation completed, Operational investigation ongoing Improvement No improvement action in reporting period Volume & pollution Estimate from 5.0 hours spilling →	Ford Brook	9	5.0	down 59%	98%
Waterhead Drive CSO Overflow on sewer network Company site name WESTCROFT - WATERHEAD DRIVE (CSO) EA ID / permit SVT02466 · T/03/07865/O Outlet location SJ9343103252 (OS grid reference) · View on Apple Maps WFD catchment Penk from Source toSaredon Brook (GB104028046680) 2024 spills / hours 23 / 29 Long-term average 18.7 spills a year (monitored since 2020) Investigation Env Act (SODRP) investigation ongoing, UWWTR investigation completed, Operational investigation completed Improvement Operational improvement completed Volume & pollution Estimate from 5.0 hours spilling →	Tributary of Waterhead Brook	10	5.0	down 57%	100%
Armthorpe - Cowthorpe Lane CSO Overflow on sewer network Company site name ARMTHORPE - COWHOUSE LANE (CSO) EA ID / permit SVT00108 · T/83/03705/O Outlet location SE6363704621 (OS grid reference) · View on Apple Maps WFD catchment Hatfield Waste Drain Catchment (trib of Torne/Three Rivers) (GB104028064330) 2024 spills / hours 4 / 2.5 Long-term average 4.0 spills a year (monitored since 2021) Investigation Operational investigation completed Improvement No improvement action in reporting period Volume & pollution Estimate from 4.9 hours spilling →	Tributary of Diggin Dyke	6	4.9	up 50%	100%
Mayfield Sewage Treatment Works Inlet overflow at sewage works Sewage works Mayfield Company site name MAYFIELD STW (CSO) EA ID / permit SVT01521 · T/29/35581/R Outlet location SK1502844374 (OS grid reference) · View on Apple Maps WFD catchment Dove - conf R Manifold to conf R Churnet (GB104028052670) 2024 spills / hours 51 / 413 Long-term average 49.5 spills a year (monitored since 2020) Investigation UWWTR investigation ongoing, Operational investigation completed Improvement No improvement action in reporting period Volume & pollution Estimate from 4.9 hours spilling →	River Dove	6	4.9	down 88%	100%
Poplar Drive CSO Overflow on sewer network Company site name SIDEWAY - POPLAR LANE (CANAL) (CSO) EA ID / permit SVT01811 · T/01/35062/O Outlet location SJ8817842691 (OS grid reference) · View on Apple Maps WFD catchment Trent from Fowlea Brook to Tittensor (GB104028053271) 2024 spills / hours 3 / 7.2 Long-term average 3.3 spills a year (monitored since 2022) Investigation Env Act (SODRP) investigation ongoing, Operational investigation completed Improvement Operational improvement completed Volume & pollution Estimate from 4.9 hours spilling →	Chitlings Brook	3	4.9	no change	100%
Washwood Heath/Ward End Park Rd CSO Overflow on sewer network Company site name WASHWOOD HEATH - WASHWOOD HEATH RD (CSO) EA ID / permit SVT02462 · T/10/36412/O Outlet location SP1094088740 (OS grid reference) · View on Apple Maps WFD catchment Tame - R Rea to R Blythe (GB104028046841) 2024 spills / hours 20 / 15 Long-term average 14.7 spills a year (monitored since 2019) Investigation Env Act (SODRP) investigation ongoing, UWWTR investigation ongoing, Operational investigation ongoing Improvement No improvement action in reporting period Volume & pollution Estimate from 4.9 hours spilling →	Trib of River Tame	7	4.9	down 65%	100%
Winson Green Road Junction CSO Overflow on sewer network Company site name WINSON GREEN - WINSON GREEN RD (CSO) EA ID / permit SVT02576 · T/08/22704/O Outlet location SP0450288145 (OS grid reference) · View on Apple Maps WFD catchment Hockley Brook Catchment (trib of Rea) (GB104028042640) 2024 spills / hours 11 / 2.1 Long-term average 11.0 spills a year (monitored since 2019) Investigation Env Act (SODRP) investigation ongoing, UWWTR investigation ongoing, Operational investigation completed Improvement Operational improvement ongoing Volume & pollution Estimate from 4.9 hours spilling →	Hockley Brook	3	4.9	down 73%	100%
Goscote Lane (Farm) CSO Overflow on sewer network Company site name WALSALL - FERNLEIGH/GOSCOTE LANE (CSO) EA ID / permit SVT00975 · T/08/36453/O Outlet location SK0179002580 (OS grid reference) · View on Apple Maps WFD catchment Ford Brook from Source to River Tame (GB104028046990) 2024 spills / hours 11 / 10 Long-term average 13.6 spills a year (monitored since 2019) Investigation UWWTR investigation ongoing, Operational investigation ongoing Improvement No improvement action in reporting period Volume & pollution Estimate from 4.9 hours spilling →	Tributary of Ford Brook	11	4.9	no change	99%
Newark - Boundary Road CSO Overflow on sewer network Company site name NEWARK - BOUNDARY ROAD (CSO) EA ID / permit SVT01622 · T/67/45246/O Outlet location SK7893453075 (OS grid reference) · View on Apple Maps WFD catchment Devon from Cotham to Trent (GB104028052632) 2024 spills / hours 20 / 16 Long-term average 24.8 spills a year (monitored since 2021) Investigation Env Act (SODRP) investigation ongoing, UWWTR investigation ongoing, Operational investigation completed Improvement No improvement action in reporting period Volume & pollution Estimate from 4.9 hours spilling →	River Devon	10	4.9	down 50%	100%
Tibshelf - High St/Brooke St (CSO) Overflow on sewer network EA ID / permit SVT02317 · Permit application submitted Outlet location SK4445860796 (OS grid reference) · View on Apple Maps WFD catchment Westwood Brook Catchment (trib of Alfreton Brook) (GB104028052360) 2024 spills / hours 15 / 118 Long-term average 13.6 spills a year (monitored since 2021) Investigation UWWTR investigation ongoing, Operational investigation completed Improvement Operational improvement completed Volume & pollution Estimate from 4.9 hours spilling →	Trib of Morton Brook	7	4.9	down 53%	99%
Nottingham - Retford Road (CSO) Overflow on sewer network EA ID / permit SVT01655 · Permit application submitted Outlet location SK5626843556 (OS grid reference) · View on Apple Maps WFD catchment Day Brook Catchment (trib of Leen) (GB104028052860) 2024 spills / hours 9 / 3.7 Long-term average 6.8 spills a year (monitored since 2021) Investigation Env Act (SODRP) investigation ongoing Improvement No improvement action in reporting period Volume & pollution Estimate from 4.8 hours spilling →	Day Brook	7	4.8	down 22%	100%
Dursley - Station Road (CSO) Overflow on sewer network EA ID / permit SVT00811 · Permit application submitted Outlet location SO7523100184 (OS grid reference) · View on Apple Maps WFD catchment The Cam R source to conf Glos and Sharpness Canal (GB109054026550) 2024 spills / hours 6 / 9.2 Long-term average 5.0 spills a year (monitored since 2021) Monitor below 90% Installation set-up/design issue · Resolved - May Investigation Operational investigation completed Improvement No improvement action in reporting period Volume & pollution Estimate from 4.8 hours spilling →	River Cam	5	4.8	down 17%	85%
Boothen Old Road 2 CSO Overflow on sewer network Company site name BOOTHEN - BOOTHEN OLD RD 2 (CSO) EA ID / permit SVT00308 · T/01/30276/O Outlet location SJ8780143935 (OS grid reference) · View on Apple Maps WFD catchment Trent from Fowlea Brook to Tittensor (GB104028053271) 2024 spills / hours 10 / 8.6 Long-term average 8.0 spills a year (monitored since 2019) Investigation Env Act (SODRP) investigation ongoing Improvement No improvement action in reporting period Volume & pollution Estimate from 4.8 hours spilling →	River Trent	7	4.8	down 30%	100%
Hedging Lane CSO Overflow on sewer network Company site name HOCKLEY - HEDGING LANE (CSO) EA ID / permit SVT01109 · T/16/36096/O Outlet location SK2227500193 (OS grid reference) · View on Apple Maps WFD catchment Tame from R Blythe to River Anker (GB104028046440) 2024 spills / hours 11 / 4.7 Long-term average 6.7 spills a year (monitored since 2020) Investigation Env Act (SODRP) investigation ongoing, Operational investigation completed Improvement No improvement action in reporting period Volume & pollution Estimate from 4.7 hours spilling →	Tributary of River Tame	6	4.7	down 45%	100%
Kirk Langley - Moor Lane (CSO) Storm discharge at pumping station EA ID / permit SVT01287 · Unpermitted Outlet location SK2899038340 (OS grid reference) · View on Apple Maps WFD catchment Mackworth Brook Catchment (trib of Markeaton Brook) (GB104028052840) 2024 spills / hours 7 / 24 Long-term average 4.0 spills a year (monitored since 2023) Investigation Operational investigation completed Improvement No improvement action in reporting period Volume & pollution Estimate from 4.7 hours spilling →	Trib of Mackworth Brook	1	4.7	down 86%	100%
Anchor Lane Storm Overflow Overflow on sewer network Company site name COSELEY - ANCHOR LANE (CSO) EA ID / permit SVT00078 · T/08/08453/O Outlet location SO9387095110 (OS grid reference) · View on Apple Maps WFD catchment Tame (W/ton Arm) source to conf Oldbury (GB104028046930) 2024 spills / hours 8 / 7.0 Long-term average 15.8 spills a year (monitored since 2021) Investigation Env Act (SODRP) investigation ongoing, UWWTR investigation completed, Operational investigation ongoing Improvement No improvement action in reporting period Volume & pollution Estimate from 4.7 hours spilling →	Bilston Brook	14	4.7	up 75%	100%
Castle Crescent CSO Overflow on sewer network Company site name KINETON - CASTLE CRESCENT (CSO) EA ID / permit SVT00487 · S/13/20328/O Outlet location SP3312950941 (OS grid reference) · View on Apple Maps WFD catchment Dene - source to Butlers Marston (GB109054039501) 2024 spills / hours 0 / 0.0 Long-term average 0.4 spills a year (monitored since 2019) Investigation Operational investigation completed Improvement No improvement action in reporting period Volume & pollution Estimate from 4.6 hours spilling →	River Dene	1	4.6	up from 0	96%
Scunthorpe - Brigg Rd/High Street (CSO) Overflow on sewer network EA ID / permit SVT01960 · EPRKB3092VY Outlet location SE9034011534 (OS grid reference) · View on Apple Maps WFD catchment Bottesford Beck Catchment (trib of Trent) (GB104028064290) 2024 spills / hours 13 / 16 Long-term average 21.4 spills a year (monitored since 2021) Investigation Env Act (SODRP) investigation ongoing, UWWTR investigation ongoing, Operational investigation ongoing Improvement No improvement action in reporting period Volume & pollution Estimate from 4.6 hours spilling →	Bottesford Beck	9	4.6	down 31%	100%
Stourport Road CSO Overflow on sewer network Company site name KIDDERMINSTER - STOURPORT ROAD (CSO) EA ID / permit SVT02228 · S/06/12238/O Outlet location SO8285275770 (OS grid reference) · View on Apple Maps WFD catchment Stour (Worcs) - conf Smestow Bk to conf R Severn (GB109054044710) 2024 spills / hours 18 / 13 Long-term average 13.4 spills a year (monitored since 2021) Investigation UWWTR investigation ongoing Improvement No improvement action in reporting period Volume & pollution Estimate from 4.6 hours spilling →	River Stour	9	4.6	down 50%	100%
Sydney Grove Sewage Pumping Station Storm discharge at pumping station Company site name RADCLIFFE ON TRENT - SYDNEY GRV (SSO) EA ID / permit SVT02268 · T/64/46094/O Outlet location SK6416039220 (OS grid reference) · View on Apple Maps WFD catchment Polser Brook from Cotgrave Brook to Trent (GB104028053230) 2024 spills / hours 18 / 348 Long-term average 67.8 spills a year (monitored since 2020) Investigation UWWTR investigation ongoing, Operational investigation ongoing Improvement No improvement action in reporting period Volume & pollution Estimate from 4.5 hours spilling →	Unnamed Trib River Trent	2	4.5	down 89%	100%
Park Butts CSO Overflow on sewer network Company site name KIDDERMINSTER - PARK BUTTS RINGWAY (CSO) EA ID / permit SVT01757 · S/06/12239/O Outlet location SO8273476863 (OS grid reference) · View on Apple Maps WFD catchment Stour (Worcs) - conf Smestow Bk to conf R Severn (GB109054044710) 2024 spills / hours 12 / 5.2 Long-term average 25.7 spills a year (monitored since 2019) Investigation UWWTR investigation ongoing, Operational investigation ongoing Improvement No improvement action in reporting period Volume & pollution Estimate from 4.5 hours spilling →	River Stour	12	4.5	no change	100%
Barlow Cottages CSO Overflow on sewer network Company site name AWSWORTH - GIN CLOSE WAY (CSO) EA ID / permit SVT00179 · T/61/08109/O Outlet location SK4817544628 (OS grid reference) · View on Apple Maps WFD catchment Gilt Brook Catchment (trib of Erewash) (GB104028052570) 2024 spills / hours 17 / 11 Long-term average 16.1 spills a year (monitored since 2019) Investigation Env Act (SODRP) investigation ongoing, UWWTR investigation ongoing, Operational investigation completed Improvement No improvement action in reporting period Volume & pollution Estimate from 4.4 hours spilling →	Gilt Brook	13	4.4	down 24%	100%
Hathersage Mill Lane CSO Overflow on sewer network Company site name HATHERSAGE - MILL LANE (MILL COTT) (CSO) EA ID / permit SVT01085 · T/38/40068/O Outlet location SK2287581257 (OS grid reference) · View on Apple Maps WFD catchment Hood Brook Catchment (Trib of Derwent) (GB104028057870) 2024 spills / hours 12 / 20 Long-term average 9.0 spills a year (monitored since 2021) Investigation Operational investigation completed Improvement Operational improvement ongoing Volume & pollution Estimate from 4.4 hours spilling →	Hood Brook	6	4.4	down 50%	92%
Hilton Lane CSO Overflow on sewer network Company site name GREAT WYRLEY - HILTON LANE 36 (CSO) EA ID / permit SVT01140 · T/03/21371/O Outlet location SJ9885207215 (OS grid reference) · View on Apple Maps WFD catchment Saredon Brook from Source to River Penk (GB104028046740) 2024 spills / hours 17 / 6.9 Long-term average 16.5 spills a year (monitored since 2020) Investigation Env Act (SODRP) investigation ongoing, UWWTR investigation ongoing Improvement No improvement action in reporting period Volume & pollution Estimate from 4.4 hours spilling →	Tributary of Wyrley Brook	16	4.4	down 6%	100%
Shrewsbury -Spring Grdns/Sultan Rd (CSO) Overflow on sewer network EA ID / permit SVT02130 · Permit application submitted Outlet location SJ4998013860 (OS grid reference) · View on Apple Maps WFD catchment Severn - conf Bele Bk to conf Sundorne Bk (GB109054049142) 2024 spills / hours 9 / 14 Long-term average 6.4 spills a year (monitored since 2021) Investigation UWWTR investigation completed, Operational investigation completed Improvement No improvement action in reporting period Volume & pollution Estimate from 4.4 hours spilling →	River Severn	7	4.4	down 22%	95%
Rocester - Rowan Court (CSO) Overflow on sewer network EA ID / permit SVT01899 · Permit application submitted Outlet location SK1062439399 (OS grid reference) · View on Apple Maps WFD catchment Churnet from Consall to River Dove (GB104028052652) 2024 spills / hours 5 / 1.2 Long-term average 20.5 spills a year (monitored since 2022) Investigation UWWTR investigation ongoing Improvement No improvement action in reporting period Volume & pollution Estimate from 4.3 hours spilling →	River Stour	4	4.3	down 20%	100%
Giltway - Nottingham Road CSO Overflow on sewer network Company site name NEWTHORPE - BAKER ROAD (CSO) EA ID / permit SVT00949 · T/61/12391/O Outlet location SK4851645359 (OS grid reference) · View on Apple Maps WFD catchment Gilt Brook Catchment (trib of Erewash) (GB104028052570) 2024 spills / hours 13 / 8.6 Long-term average 11.8 spills a year (monitored since 2021) Investigation Env Act (SODRP) investigation ongoing, UWWTR investigation ongoing, Operational investigation completed Improvement No improvement action in reporting period Volume & pollution Estimate from 4.2 hours spilling →	Gilt Brook	8	4.2	down 38%	100%
Sapcote Road CSO Overflow on sewer network Company site name STONEY STANTON - MANOR BROOK CLOSE (CSO) EA ID / permit SVT01943 · EPRHB3991VH Outlet location SP4891994097 (OS grid reference) · View on Apple Maps WFD catchment Soar from Soar Brook to Thurlaston Brook (GB104028042620) 2024 spills / hours 1 / 0.1 Long-term average 1.6 spills a year (monitored since 2019) Investigation No investigation activity in reporting period Improvement No improvement action in reporting period Volume & pollution Estimate from 4.2 hours spilling →	Tributary of River Soar	2	4.2	up 100%	100%
Duke Street Combined Sewer Overflow Overflow on sewer network Company site name TUTBURY - DUKE STREET (CSO) EA ID / permit SVT00803 · T/33/35123/O Outlet location SK2141929157 (OS grid reference) · View on Apple Maps WFD catchment Rolleston Bk Catchment (trib of Dove) (GB104028046530) 2024 spills / hours 23 / 38 Long-term average 16.4 spills a year (monitored since 2019) Investigation UWWTR investigation completed Improvement No improvement action in reporting period Volume & pollution Estimate from 4.2 hours spilling →	Tutbury Mill Fleam	16	4.2	down 30%	100%
Brymbo Road CSO Overflow on sewer network Company site name CROSS HEATH - BRYMBO ROAD (CSO) EA ID / permit SVT00397 · T/01/22729/O Outlet location SJ8404547996 (OS grid reference) · View on Apple Maps WFD catchment Lyme Brook Catchment (trib of Trent) (GB104028053340) 2024 spills / hours 12 / 6.5 Long-term average 15.0 spills a year (monitored since 2019) Investigation Env Act (SODRP) investigation ongoing, UWWTR investigation ongoing, Operational investigation completed Improvement No improvement action in reporting period Volume & pollution Estimate from 4.1 hours spilling →	Ashfeild Brook	11	4.1	down 8%	100%
Sutherland Road CSO Overflow on sewer network Company site name LONGTON - SUTHERLAND RD (CSO) EA ID / permit SVT02248 · T/01/36478/O Outlet location SJ9129943466 (OS grid reference) · View on Apple Maps WFD catchment Longton Bk - source to R Trent (GB104028053273) 2024 spills / hours 8 / 4.8 Long-term average 11.9 spills a year (monitored since 2019) Investigation Env Act (SODRP) investigation ongoing, UWWTR investigation ongoing, Operational investigation ongoing Improvement No improvement action in reporting period Volume & pollution Estimate from 4.1 hours spilling →	Culverted Watercourse	9	4.1	up 13%	100%
Middleton Church Lane CSO Overflow on sewer network Company site name MIDDLETON - CHURCH LA(THE SPINNEY) (CSO) EA ID / permit SVT01556 · T/16/02646/O Outlet location SP1823098110 (OS grid reference) · View on Apple Maps WFD catchment Langley Bk - source to conf R Tame (GB104028046901) 2024 spills / hours 29 / 50 Long-term average 11.6 spills a year (monitored since 2021) Investigation Env Act (SODRP) investigation ongoing, UWWTR investigation completed, Operational investigation completed Improvement Operational improvement completed Volume & pollution Estimate from 4.1 hours spilling →	Tributary of Langley Brook	11	4.1	down 62%	98%
Alverton Sewage Treatment Works Inlet overflow at sewage works Sewage works Alverton Company site name ALVERTON STW IPS (CSO&EO) EA ID / permit SVT00069 · T/65/45944/R Outlet location SK7923342381 (OS grid reference) · View on Apple Maps WFD catchment Devon from Source to Smite (GB104028052490) 2024 spills / hours 3 / 0.8 Long-term average 27.4 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 4.1 hours spilling →	Tributary River Devon	1	4.1	down 67%	99%
Derby Rd-Gibfield Ln CSO Overflow on sewer network Company site name BELPER - DERBY ROAD/GIBFIELD LANE (CSO) EA ID / permit SVT00753 · T/42/20904/O Outlet location SK3450947120 (OS grid reference) · View on Apple Maps WFD catchment Derwent from Amber to Bottle Brook (GB104028052310) 2024 spills / hours 15 / 8.8 Long-term average 18.2 spills a year (monitored since 2020) Investigation UWWTR investigation completed, Operational investigation completed Improvement No improvement action in reporting period Volume & pollution Estimate from 4.1 hours spilling →	Coppice Brook	14	4.1	down 7%	96%
Provident Street CSO Overflow on sewer network Company site name NORMANTON - CO-OP ST/PROVIDENT ST (CSO) EA ID / permit SVT01827 · T/48/21199/O Outlet location SK3502534713 (OS grid reference) · View on Apple Maps WFD catchment Derwent from Bottle Brook to Trent (GB104028053240) 2024 spills / hours 14 / 4.4 Long-term average 22.2 spills a year (monitored since 2020) Investigation UWWTR investigation completed, Operational investigation ongoing Improvement No improvement action in reporting period Volume & pollution Estimate from 4.1 hours spilling →	Cotton Brook	21	4.1	up 50%	100%
Hanford A34 Pumping Station Storm discharge at pumping station Company site name HANFORD - STONE ROAD (CSO) EA ID / permit SVT01048 · T/01/35942/O Outlet location SJ8664042640 (OS grid reference) · View on Apple Maps WFD catchment Trent from Fowlea Brook to Tittensor (GB104028053271) 2024 spills / hours 27 / 124 Long-term average 20.5 spills a year (monitored since 2022) Investigation Env Act (SODRP) investigation ongoing, UWWTR investigation ongoing, Operational investigation completed Improvement Operational improvement completed Volume & pollution Estimate from 4.1 hours spilling →	River Trent	4	4.1	down 85%	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.