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
Lower Penkridge Pumping Station Storm discharge at pumping station Company site name ACTON TRUSSELL - LWR PENKRIDGE RD (SSO) EA ID / permit SVT01436 · T/03/12334/O Outlet location SJ9365017600 (OS grid reference) · View on Apple Maps WFD catchment Penk - Whiston Bk to R Sow (GB104028047121) 2024 spills / hours 3 / 3.8 Long-term average 2.8 spills a year (monitored since 2020) Investigation Operational investigation completed Improvement No improvement action in reporting period	Bednall Brook	0	0.0	down 100%	100%
Ludlow - Fishmore View (CSO) Storm discharge at pumping station EA ID / permit SVT01440 · Permit application submitted Outlet location SO5094975669 (OS grid reference) · View on Apple Maps WFD catchment Corve - conf Seifton Bk to conf R Teme (GB109054043960) Bathing water River Teme in Ludlow 2024 spills / hours 0 / 0.0 Long-term average 0.0 spills a year (monitored since 2023) Investigation Env Act (SODRP) investigation ongoing, Operational investigation completed Improvement Operational improvement completed	River Corve	0	0.0	no change	100%
Lydbury North STW Inlet overflow at sewage works (with treatment) Sewage works Lydbury North Company site name LYDBURY NORTH STW (CSO&EO) EA ID / permit SVT01446 · S/09/50131/R Outlet location SO3506185475 (OS grid reference) · View on Apple Maps WFD catchment Kemp - source to conf R Clun (GB109054044060) Treatment Reed bed 2024 spills / hours 0 / 0.0 Long-term average 0.0 spills a year (monitored since 2021) Investigation UWWTR investigation completed, Operational investigation completed Improvement Operational improvement completed	Trib of River Kemp	0	0.0	no change	100%
Lyme Valley (Oppo Remploy Wks) CSO Overflow on sewer network Company site name LYME VALLEY-OPP REMPLOY WORKS-CRIT (CSO) EA ID / permit SVT01448 · T/01/36237/O Outlet location SJ8559444922 (OS grid reference) · View on Apple Maps WFD catchment Lyme Brook Catchment (trib of Trent) (GB104028053340) 2024 spills / hours 27 / 118 Long-term average 23.9 spills a year (monitored since 2019) Investigation Env Act (SODRP) investigation ongoing, UWWTR investigation completed, Operational investigation completed Improvement No improvement action in reporting period	Lyme Brook	0	0.0	down 100%	100%
Lyndon/Grafton Rd Junction CSO Overflow on sewer network Company site name WEST BROMWICH - LYNDON/GRAFTON RD (CSO) EA ID / permit SVT01449 · T/08/21443/O Outlet location SP0073192224 (OS grid reference) · View on Apple Maps WFD catchment Tame (Oldbury Arm) - source to conf R Tame (Wton Arm) (GB104028042601) 2024 spills / hours 1 / 0.4 Long-term average 0.8 spills a year (monitored since 2021) Investigation Env Act (SODRP) investigation ongoing, Operational investigation ongoing Improvement No improvement action in reporting period	Hobnail Brook	0	0.0	down 100%	100%
Bulwell - Main Street/Linby Street (CSO) Overflow on sewer network EA ID / permit SVT01456 · EPRJB3691WG Outlet location SK5403345080 (OS grid reference) · View on Apple Maps WFD catchment Leen from Source to Day Brook (GB104028052880) 2024 spills / hours 1 / 0.3 Long-term average 2.0 spills a year (monitored since 2021) Investigation Operational investigation ongoing Improvement No improvement action in reporting period	River Leen	0	0.0	down 100%	100%
Main Street Combined Sewer Overlow Storm discharge at pumping station Company site name TIDDINGTON - MAIN STREET (CSO) EA ID / permit SVT01461 · S/13/08803/O Outlet location SP2209356069 (OS grid reference) · View on Apple Maps WFD catchment Avon (Wark) conf R Leam to Tramway Br, Stratford (GB109054044402) 2024 spills / hours 0 / 0.0 Long-term average 10.0 spills a year (monitored since 2019) Investigation Env Act (SODRP) investigation ongoing, UWWTR investigation ongoing, Operational investigation completed Improvement Operational improvement completed	River Avon	0	0.0	no change	99%
Main Street/Ravensworth Road CSO Overflow on sewer network Company site name BULWELL - MAIN ST/RAVENSWORTH ROAD (CSO) EA ID / permit SVT01463 · T/63/40037/O Outlet location SK5403345080 (OS grid reference) · View on Apple Maps WFD catchment Leen from Source to Day Brook (GB104028052880) 2024 spills / hours 2 / 0.7 Long-term average 2.2 spills a year (monitored since 2021) Investigation Operational investigation ongoing Improvement No improvement action in reporting period	River Leen	0	0.0	down 100%	100%
Maisemore - Gloucester Road (CSO) Overflow on sewer network EA ID / permit SVT01464 · Permit application submitted Outlet location SO8165321149 (OS grid reference) · View on Apple Maps WFD catchment SEVERN UPPER (GB530905415403) 2024 spills / hours 3 / 0.2 Long-term average 1.0 spills a year (monitored since 2021) Investigation Operational investigation completed Improvement No improvement action in reporting period	Ullesthorpe Brook	0	0.0	down 100%	100%
Manhole E Overflow on sewer network Company site name LICHFIELD - NETHERSTOWE (CSO) EA ID / permit SVT01472 · TSC1345 Outlet location SK1230011300 (OS grid reference) · View on Apple Maps WFD catchment Pyford Brook Catchment (trib of Trent) (GB104028047250) 2024 spills / hours 0 / 0.0 Long-term average 0.3 spills a year (monitored since 2020) Investigation Operational investigation completed Improvement No improvement action in reporting period	Pyford/Leamonsley Brook	0	0.0	no change	100%
Kirkby-in-Ashfield - Lindley’S Lane (SSO) Overflow on sewer network EA ID / permit SVT01474 · Unpermitted Outlet location SK4994055730 (OS grid reference) · View on Apple Maps WFD catchment Erewash from Source to Nethergreen Brook (GB104028052740) 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	River Erewash	0	0.0	no change	100%
Mansfield Woodhouse - Swan Lane CSO Overflow on sewer network Company site name MANSFIELD WOODHOUSE - SWAN LANE (CSO) EA ID / permit SVT01484 · T/71/20185/O Outlet location SK5468964117 (OS grid reference) · View on Apple Maps WFD catchment Meden from Source to Sookholme Brook (GB104028058020) 2024 spills / hours 3 / 2.1 Long-term average 2.0 spills a year (monitored since 2021) Investigation Operational investigation completed Improvement UWWTR improvement completed, Operational improvement completed	Leas Brook	0	0.0	down 100%	100%
Various CSO'S - Areas of Carlton Overflow on sewer network Company site name MAPPERLEY - HALLAM ROAD (CSO) EA ID / permit SVT01488 · T/64/46347/O Outlet location SK6220041940 (OS grid reference) · View on Apple Maps WFD catchment Ouse Dyke Catchment (trib of Trent) (GB104028053260) 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	Ouse Dyke	0	0.0	no change	100%
Market Street CSO Overflow on sewer network Company site name LICHFIELD -MARKET ST(GEORGE HOTEL) (CSO) EA ID / permit SVT01503 · T/07/22061/O Outlet location SK1216910184 (OS grid reference) · View on Apple Maps WFD catchment Pyford Brook Catchment (trib of Trent) (GB104028047250) 2024 spills / hours 0 / 0.0 Long-term average 0.0 spills a year (monitored since 2020) Investigation Operational investigation completed Improvement No improvement action in reporting period	Curborough Brook	0	0.0	no change	97%
Market Street CSO Overflow on sewer network Company site name LICHFIELD - MARKET STREET 39 (CSO) EA ID / permit SVT01504 · T/07/22060/O Outlet location SK1216010245 (OS grid reference) · View on Apple Maps WFD catchment Pyford Brook Catchment (trib of Trent) (GB104028047250) 2024 spills / hours 0 / 0.0 Long-term average 1.0 spills a year (monitored since 2020) Investigation Operational investigation completed Improvement No improvement action in reporting period	Curborough Brook	0	0.0	no change	96%
Meadow Street CSO Overflow on sewer network Company site name COVENTRY - MEADOW STREET (CSO) EA ID / permit SVT01526 · S/11/25660/O Outlet location SP3269278834 (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 0.4 spills a year (monitored since 2021) Investigation No investigation activity in reporting period Improvement No improvement action in reporting period	River Sherbourne	0	0.0	no change	100%
Meaford SPS Storm discharge at pumping station Company site name MEAFORD - A34 PS (CSO) EA ID / permit SVT01529 · T/01/30303/O Outlet location SJ8860035300 (OS grid reference) · View on Apple Maps WFD catchment Trent from Tittensor to River Sow (GB104028053272) 2024 spills / hours 1 / 2.8 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 Trent	0	0.0	down 100%	100%
Highfields - Melbourne Rd/Dale St (CSO) Overflow on sewer network EA ID / permit SVT01536 · Permit application submitted Outlet location SK5991905431 (OS grid reference) · View on Apple Maps WFD catchment Soar from Sence to Rothley Brook (GB104028047030) 2024 spills / hours 0 / 0.0 Long-term average 0.2 spills a year (monitored since 2021) Investigation Operational investigation completed Improvement No improvement action in reporting period	Trib of River Sherbourne	0	0.0	no change	100%
Melton - Leicester Road PS (CSO) Storm discharge at pumping station EA ID / permit SVT01538 · Permit application submitted Outlet location SK7426618454 (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 0.0 spills a year (monitored since 2023) Investigation Operational investigation completed Improvement No improvement action in reporting period	Trib of River Eye	0	0.0	no change	100%
Merrills Hall Lane CSO Overflow on sewer network Company site name W/FLD-MERRILLS HALL LN-W/FIELD WY (SO) EA ID / permit SVT01545 · T/08/21171/O Outlet location SO9572499686 (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 2.4 spills a year (monitored since 2019) Investigation Env Act (SODRP) investigation ongoing Improvement No improvement action in reporting period	Waddens & Bentley Fl R Culvert	0	0.0	down 100%	100%
Merryfields Farm SPS Storm discharge at pumping station Company site name MARCLIFF - MERRYFIELDS FARM (CSO) EA ID / permit SVT01547 · S/13/07698/O Outlet location SP0957550714 (OS grid reference) · View on Apple Maps WFD catchment Avon- Tramway Br Stratford to Workman Br Evesham (GB109054044401) 2024 spills / hours 52 / 861 Long-term average 15.3 spills a year (monitored since 2020) Investigation UWWTR investigation completed, Operational investigation completed Improvement Operational improvement completed	Tributary of River Avon	0	0.0	down 100%	98%
Matlock Bath-Dale Road CSO Overflow on sewer network Company site name MATLCK BTH-DALE RD (CABLE CR BRDG) (CSO) EA ID / permit SVT01551 · DT/2180 Outlet location SK2967358613 (OS grid reference) · View on Apple Maps WFD catchment Derwent from Wye to Amber (GB104028052390) 2024 spills / hours 35 / 66 Long-term average 22.0 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 UWWTR investigation completed, Operational investigation completed Improvement No improvement action in reporting period	River Derwent	–	–		–
Heanor-Milnhay STW Inlet overflow at sewage works Sewage works Heanor Milnhay Company site name HEANOR - MILNHAY STW (CSO) EA ID / permit SVT01570 · T/61/45098/R Outlet location SK4572046380 (OS grid reference) · View on Apple Maps WFD catchment Erewash from Nethergreen Brook to Gilt Brook (GB104028052511) 2024 spills / hours 39 / 208 Long-term average 82.5 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 Env Act (SODRP) investigation ongoing, UWWTR investigation ongoing, Operational investigation completed Improvement Operational improvement completed	River Erewash	–	–		–
Milton Street CSO Overflow on sewer network Company site name NEWTOWN - MILTON STREET (CSO) EA ID / permit SVT01572 · T/09/21431/O Outlet location SP0710288743 (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 70.1 spills a year (monitored since 2019) Investigation Env Act (SODRP) investigation ongoing, UWWTR investigation completed, Operational investigation completed Improvement No improvement action in reporting period	Hockley Brook	0	0.0	no change	93%
Montague St CSO Overflow on sewer network Company site name BORDESLEY - MONTAGUE STREET (CSO) EA ID / permit SVT01581 · TSC1311 Outlet location SP0830987040 (OS grid reference) · View on Apple Maps WFD catchment Rea from Bourn Brook to River Tame (GB104028042550) 2024 spills / hours 2 / 0.6 Long-term average 7.6 spills a year (monitored since 2019) Investigation Env Act (SODRP) investigation ongoing Improvement No improvement action in reporting period	River Rea	0	0.0	down 100%	100%
Morton - Station Road (SSO) Storm discharge at pumping station EA ID / permit SVT01590 · EPRLB3591EZ Outlet location SK4173660095 (OS grid reference) · View on Apple Maps WFD catchment Westwood Brook Catchment (trib of Alfreton Brook) (GB104028052360) 2024 spills / hours 0 / 0.0 Long-term average 0.3 spills a year (monitored since 2019) Investigation No investigation activity in reporting period Improvement No improvement action in reporting period	Westwood Brook	0	0.0	no change	100%
Narborough Coventry Road Melas SPS Storm discharge at pumping station Company site name NARBOROUGH - COV RD (MELAS) PS (CSO) EA ID / permit SVT01601 · T/50/01625/O Outlet location SP5352096987 (OS grid reference) · View on Apple Maps WFD catchment Soar from Thurlaston Brook to Sence (GB104028046880) 2024 spills / hours 1 / 4.5 Long-term average 0.6 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	down 100%	98%
Narborough Road Overflow on sewer network Company site name COSBY - NARBOROUGH ROAD (CSO) EA ID / permit SVT01603 · DT/8044 Outlet location SP5440096100 (OS grid reference) · View on Apple Maps WFD catchment Soar from Thurlaston Brook to Sence (GB104028046880) 2024 spills / hours 1 / 0.0 Long-term average 0.4 spills a year (monitored since 2021) Investigation Operational investigation completed Improvement No improvement action in reporting period	Cosby Brook	0	0.0	down 100%	100%
Wolverhampton-New Hampton Rd West (CSO) Overflow on sewer network EA ID / permit SVT01618 · Permit application submitted Outlet location SO8921599886 (OS grid reference) · View on Apple Maps WFD catchment Smestow Bk - source to conf Wom-Penn Bk (GB109054049340) 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	Full Brook	0	0.0	down 100%	95%
Newark - Brunel Drive (CSO) Overflow on sewer network EA ID / permit SVT01623 · Permit application submitted Outlet location SK8142654953 (OS grid reference) · View on Apple Maps WFD catchment Slough Dyke Catchment (trib of Trent) (GB104028053111) 2024 spills / hours 8 / 31 Long-term average 1.6 spills a year (monitored since 2021) Investigation Operational investigation completed Improvement No improvement action in reporting period	Slough Dyke	0	0.0	down 100%	99%
Newark - Massey Street CSO Overflow on sewer network Company site name NEWARK - MASSEY ST (CSO) EA ID / permit SVT01624 · T/68/45965/O Outlet location SK8016155125 (OS grid reference) · View on Apple Maps WFD catchment Trent from Soar to The Beck (GB104028053110) 2024 spills / hours 2 / 13 Long-term average 0.4 spills a year (monitored since 2021) Investigation Operational investigation ongoing Improvement No improvement action in reporting period	River Trent	0	0.0	down 100%	99%
Newtown Row No.1 CSO Overflow on sewer network Company site name NEWTOWN - LOWER TOWER ST (CSO) EA ID / permit SVT01653 · T/09/35897/O Outlet location SP0718988772 (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	100%
No. 159 the Avenue CSO Overflow on sewer network Company site name HARPFIELDS - THE AVENUE 155 (CSO) EA ID / permit SVT01657 · T/01/35717/O Outlet location SJ8559444924 (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 0.2 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%
Northorpe Sewage Treatment Works Inlet overflow at sewage works Sewage works Northorpe Company site name NORTHORPE (STW) EA ID / permit SVT01671 · T/80/45645/R Outlet location SK8984597088 (OS grid reference) · View on Apple Maps WFD catchment Eau from Source to Northorpe Beck (GB104028057970) 2024 spills / hours 1 / 0.2 Long-term average 5.2 spills a year (monitored since 2021) Investigation No investigation activity in reporting period Improvement No improvement action in reporting period	Tributary of River Eau	0	0.0	down 100%	100%
Nottingham – Mansfield Rd / Egerton Rd (CSO) Overflow on sewer network Company site name NOTTINGHAM – MANSFIELD RD/EGERTON RD (CSO) EA ID / permit SVT01681 · EPRJB3792NS Outlet location SK5786144338 (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%
Nottingham - Mansfield Road (CSO) Overflow on sewer network EA ID / permit SVT01682 · Permit application submitted Outlet location SK5786144338 (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%
Off Perrott Street CSO Overflow on sewer network Company site name WINSON GREEN - PERROTT STREET (CSO) EA ID / permit SVT01707 · TSC1455 Outlet location SP0401488991 (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 2.1 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%
Old Hill Combined Sewer Overflow Overflow on sewer network Company site name OLD HILL - HALESOWEN ROAD (CSO) EA ID / permit SVT01714 · S/06/21042/O Outlet location SO9512686632 (OS grid reference) · View on Apple Maps WFD catchment Stour (Worcs) source to conf Smestow Bk (GB109054044750) 2024 spills / hours 2 / 0.4 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%
Old Hill Trinity CSO Overflow on sewer network Company site name OLD HILL - TRINITY STREET (CSO) EA ID / permit SVT01715 · S/06/21057/O Outlet location SO9512686632 (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 9.2 spills a year (monitored since 2020) Investigation UWWTR investigation completed, Operational investigation completed Improvement No improvement action in reporting period	Mousesweet Brook	0	0.0	no change	97%
Ludlow - Old Street (CSO) Overflow on sewer network EA ID / permit SVT01720 · S/09/05082/O Outlet location SO5146074222 (OS grid reference) · View on Apple Maps WFD catchment Teme - conf R Onny to conf R Severn (GB109054044510) 2024 spills / hours 17 / 83 Long-term average 13.6 spills a year (monitored since 2019) Investigation Env Act (SODRP) investigation ongoing, UWWTR investigation ongoing, Operational investigation completed Improvement Operational improvement completed	River Teme	0	0.0	down 100%	100%
Osborne Road CSO Overflow on sewer network Company site name PENN - OSBORNE ROAD 57 (CSO) EA ID / permit SVT01733 · S/06/55302/O Outlet location SO8970596426 (OS grid reference) · View on Apple Maps WFD catchment Merryhill Bk - source to conf Wom-Penn Bk (GB109054044811) 2024 spills / hours 0 / 0.0 Long-term average 0.4 spills a year (monitored since 2019) Investigation No investigation activity in reporting period Improvement No improvement action in reporting period	Tributary of Warstones Brook	0	0.0	no change	100%
Oulton Sewage Pumping Station Storm discharge at pumping station Company site name OULTON PS (CSO) EA ID / permit SVT01738 · T/01/35124/O Outlet location SJ9127735155 (OS grid reference) · View on Apple Maps WFD catchment Scotch Brook Catchment (trib of Trent) (GB104028053220) 2024 spills / hours 5 / 17 Long-term average 3.8 spills a year (monitored since 2021) Investigation No investigation activity in reporting period Improvement No improvement action in reporting period	Scotch Brook	0	0.0	down 100%	100%
Kidderminster - Oxford Street (CSO) Overflow on sewer network EA ID / permit SVT01746 · Permit application submitted Outlet location SO8326776413 (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 0.4 spills a year (monitored since 2021) Investigation No investigation activity in reporting period Improvement No improvement action in reporting period	Tributary of the River Stour	0	0.0	no change	92%
Park Farm CSO Overflow on sewer network Company site name HARTLEBURY - PARK FARM (CSO) EA ID / permit SVT01759 · S/08/21572/O Outlet location SO8397271332 (OS grid reference) · View on Apple Maps WFD catchment Hartlebury Bk - source to conf R Severn (GB109054044460) 2024 spills / hours 0 / 0.0 Long-term average 4.9 spills a year (monitored since 2019) Investigation Operational investigation completed Improvement No improvement action in reporting period	Tributary of River Severn	0	0.0	no change	100%
Parrs Lane Overflow on sewer network Company site name BAYSTON HILL - PARRS LANE (CSO) EA ID / permit SVT01763 · S/02/08777/O Outlet location SJ4717009010 (OS grid reference) · View on Apple Maps WFD catchment Rea Bk - conf Pontesford Bk to conf R Severn (GB109054049630) 2024 spills / hours 0 / 0.0 Long-term average 0.0 spills a year (monitored since 2022) Investigation No investigation activity in reporting period Improvement No improvement action in reporting period	The Hills Brook	0	0.0	no change	100%
Hixon - Pasturefields PS (CSO) Storm discharge at pumping station EA ID / permit SVT01765 · Permit application submitted Outlet location SJ9984525045 (OS grid reference) · View on Apple Maps WFD catchment Trent from Tittensor to River Sow (GB104028053272) 2024 spills / hours 23 / 138 Long-term average 13.2 spills a year (monitored since 2021) Investigation Env Act (SODRP) investigation ongoing, UWWTR investigation ongoing, Operational investigation completed Improvement Operational improvement ongoing	Warmsworth Beck	0	0.0	down 100%	100%
Pear Tree Rd/Dairy House Rd Overflow on sewer network Company site name PEAR TREE - PEAR TREE RD (CSO) EA ID / permit SVT01768 · T/48/21196/O Outlet location SK3543034280 (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 1.3 spills a year (monitored since 2022) Investigation No investigation activity in reporting period Improvement No improvement action in reporting period	Cotton Brook	0	0.0	no change	100%
Pebble Close CSO Overflow on sewer network Company site name STOURBRIDGE - PEBBLE CLOSE (CSO) EA ID / permit SVT01771 · S/06/21182/O Outlet location SO9086884370 (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) Monitor below 90% Capital / maintenance works affect EDM operation · Resolved - Oct Investigation Operational investigation completed Improvement No improvement action in reporting period	River Stour	0	0.0	no change	88%
Pedmore Road CSO Overflow on sewer network Company site name BRIERLEY HILL - PEDMORE ROAD (CSO) EA ID / permit SVT01776 · S/06/55805/O Outlet location SO9275187478 (OS grid reference) · View on Apple Maps WFD catchment Stour (Worcs) source to conf Smestow Bk (GB109054044750) 2024 spills / hours 1 / 1.0 Long-term average 0.7 spills a year (monitored since 2020) Investigation Operational investigation completed Improvement No improvement action in reporting period	Tributary of Black Brook	0	0.0	down 100%	100%
Pelsall - Station Road (CSO) Overflow on sewer network EA ID / permit SVT01778 · Unpermitted Outlet location SK0252302880 (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 No investigation activity in reporting period Improvement No improvement action in reporting period	Ford 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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