Storm overflow register · 2025 annual return

Yorkshire Water storm overflows, 2025

Yorkshire Water reported 2,187 storm overflows in England for 2025. Together they recorded 51,431 spills over 285,931 hours, an average of 23.5 spills per overflow against 20.4 across England. That ranks 8 of 10 companies, where 1 is the fewest spills per overflow. Counting the same overflows in both years, spills were down 25% on 2024.

291 overflows did not spill · 196 spilled more than 60 times · 1,981 had monitors working for 90% of the year or more · 283 sewage treatment works with overflows

Hours spilling by month, 2025

025k50k75k100kJan 2025: 83,826 hours spillingJanFeb 2025: 5,531 hours spillingFebMar 2025: 3,935 hours spillingMarApr 2025: 545 hours spillingAprMay 2025: 1,606 hours spillingMayJun 2025: 1,734 hours spillingJunJul 2025: 7,048 hours spillingJulAug 2025: 729 hours spillingAugSep 2025: 20,226 hours spillingSepOct 2025: 12,651 hours spillingOctNov 2025: 64,756 hours spillingNovDec 2025: 83,310 hours spillingDec
Hours spilling, all Yorkshire Water overflows, from the start/stop records. Spills running across a month end are split between the months.

All Yorkshire Water storm overflows

Sorted by hours spilling. Open an overflow for its permit, location, reasons for high spills and improvement status.

OverflowDischarges toSpills 2025Hours 2025Spills vs 2024Monitor uptime
Lundwood Sewage Pumping Station
Overflow on sewer network
Company site name
LUNDWOOD/CSO
EA ID / permit
YWS00779 · 3841
Outlet location
SE3770606519 (OS grid reference) · View on Apple Maps
WFD catchment
River Dearne from Cawthorne Dyke to Lundwood STW (GB104027063171)
2024 spills / hours
47 / 168
Long-term average
48.7 spills a year (monitored since 2020)
High-spill reason (company)
Not asset maintenance - hydraulic capacity
Investigation
Env Act (SODRP) investigation completed, UWWTR investigation completed, Operational investigation completed
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 143 hours spilling →
River Dearne 33 143 down 30% 100%
Britain Street CSO
Overflow on sewer network
Company site name
BRITAIN STREET/CSO
EA ID / permit
YWS01878 · WRA8601
Outlet location
SK4753099590 (OS grid reference) · View on Apple Maps
WFD catchment
Don from Greasborough Dyke to River Dearne (GB104027057452)
2024 spills / hours
54 / 190
Long-term average
68.7 spills a year (monitored since 2020)
High-spill reason (company)
Not asset maintenance - hydraulic capacity
Investigation
Env Act (SODRP) investigation ongoing, UWWTR investigation completed, Operational investigation completed
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 143 hours spilling →
River Don via Public Sewer 41 143 down 24% 100%
Plantation Drive CSO
Overflow on sewer network
Company site name
PLANTATION DRIVE/CSO
EA ID / permit
YWS00836 · C4158
Outlet location
SE5752152711 (OS grid reference) · View on Apple Maps
WFD catchment
Ouse from River Nidd to Stillingfleet Beck (GB104027069593)
2024 spills / hours
39 / 35
Long-term average
35.5 spills a year (monitored since 2020)
High-spill reason (company)
Not asset maintenance - hydraulic capacity
Investigation
UWWTR investigation ongoing, Operational investigation completed
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 143 hours spilling →
Ing Cliffs Drain 58 143 up 49% 100%
Barnburgh STW
Inlet overflow at sewage works
Sewage works
Barnburgh
Company site name
BARNBURGH/STW
EA ID / permit
YWS01419 · WRA7509
Outlet location
SE4759003100 (OS grid reference) · View on Apple Maps
WFD catchment
River Dearne Darfield STW to River Don (GB104027063173)
2024 spills / hours
57 / 680
Long-term average
82.0 spills a year (monitored since 2020)
Monitor below 90%
Sensor failure / issue · Resolved - Jun
Investigation
UWWTR investigation ongoing
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 142 hours spilling →
Tributary of the River Dearne 17 142 down 70% 72%
Stock Hill Fold No 2 CSO
Overflow on sewer network
Company site name
STOCK HILL FOLD/NO 2 CSO
EA ID / permit
YWS00060 · 1862
Outlet location
SE1886337573 (OS grid reference) · View on Apple Maps
WFD catchment
Aire from Gill Beck (Baildon) to Wyke Beck (GB104027063035)
2024 spills / hours
55 / 159
Long-term average
48.7 spills a year (monitored since 2020)
High-spill reason (company)
Not asset maintenance - hydraulic capacity
Investigation
Env Act (SODRP) investigation completed, UWWTR investigation completed, Operational investigation completed
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 142 hours spilling →
Haigh Beck 46 142 down 16% 100%
Barlby Sewage Treatment Works
Storm tank at sewage works
Sewage works
Barlby
Company site name
BARLBY/STW
EA ID / permit
YWS00431 · 27/24/0338
Outlet location
SE6263335418 (OS grid reference) · View on Apple Maps
WFD catchment
Ouse from R Wharfe to Upper Humber (GB104027064270)
2024 spills / hours
63 / 353
Long-term average
48.3 spills a year (monitored since 2020)
Investigation
UWWTR investigation ongoing, Operational investigation completed
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 142 hours spilling →
River Ouse (Tidal) 26 142 down 59% 100%
Crook Farm CSO
Overflow on sewer network
Company site name
CROOK FARM/CSO
EA ID / permit
YWS01304 · WADC861
Outlet location
SE2524245354 (OS grid reference) · View on Apple Maps
WFD catchment
Wharfe from R Washburn to Collingham Beck (GB104027064254)
2024 spills / hours
56 / 197
Long-term average
53.0 spills a year (monitored since 2020)
High-spill reason (company)
Not asset maintenance - hydraulic capacity
Investigation
UWWTR investigation completed, Operational investigation completed, Bathing Water and/or Shellfish Water investigation ongoing
Improvement
Operational improvement completed
Volume & pollution
Estimate from 141 hours spilling →
Culverted Trib of River Wharfe 44 141 down 21% 100%
Troughbrook Road No 2 CSO
Overflow on sewer network
Company site name
TROUGHBROOK ROAD/NO 2 CSO
EA ID / permit
YWS01742 · WRA8392
Outlet location
SK4170874516 (OS grid reference) · View on Apple Maps
WFD catchment
Rother, Spittal Brook to Doe Lea (GB104027057771)
2024 spills / hours
43 / 175
Long-term average
44.5 spills a year (monitored since 2020)
High-spill reason (company)
Not asset maintenance - hydraulic capacity
Investigation
UWWTR investigation ongoing, Operational investigation completed
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 141 hours spilling →
Trough Brook 35 141 down 19% 100%
Foss Islands Road CSO
Overflow on sewer network
Company site name
FOSS ISLANDS ROAD/CSO
EA ID / permit
YWS00457 · 27/24/0433
Outlet location
SE6090051771 (OS grid reference) · View on Apple Maps
WFD catchment
River Foss from the Syke to the River Ouse (GB104027063520)
2024 spills / hours
47 / 238
Long-term average
44.0 spills a year (monitored since 2020)
High-spill reason (company)
Not asset maintenance - hydraulic capacity
Investigation
UWWTR investigation ongoing
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 141 hours spilling →
Tang Hall Beck 31 141 down 34% 100%
Millhouses Park CSO
Overflow on sewer network
Company site name
MILLHOUSES PARK/CSO/RETENTION/NO 2 COMPARTMENT
EA ID / permit
YWS02245 · WRA7562
Outlet location
SK3365683262 (OS grid reference) · View on Apple Maps
WFD catchment
River Sheaf from Source to River Porter (GB104027057750)
2024 spills / hours
55 / 392
Long-term average
21.3 spills a year (monitored since 2022)
Investigation
UWWTR investigation ongoing, Operational investigation completed
Improvement
Operational improvement ongoing
Volume & pollution
Estimate from 141 hours spilling →
River Sheaf 28 141 down 49% 100%
Hookstone Road CSO
Overflow on sewer network
Company site name
HOOKSTONE ROAD/CSO
EA ID / permit
YWS00221 · 27/21/0025
Outlet location
SE3149654091 (OS grid reference) · View on Apple Maps
WFD catchment
Crimple Beck from Source to Park Beck (GB104027063741)
2024 spills / hours
28 / 150
Long-term average
43.3 spills a year (monitored since 2020)
Investigation
UWWTR investigation ongoing, Operational investigation completed
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 140 hours spilling →
Hookstone Beck 25 140 down 11% 100%
Redbrook Road CSO
Overflow on sewer network
Company site name
REDBROOK ROAD/CSO
EA ID / permit
YWS01815 · WRA8507
Outlet location
SE3216007740 (OS grid reference) · View on Apple Maps
WFD catchment
River Dearne from Cawthorne Dyke to Lundwood STW (GB104027063171)
2024 spills / hours
48 / 155
Long-term average
23.7 spills a year (monitored since 2020)
High-spill reason (company)
Not asset maintenance - hydraulic capacity
Investigation
Env Act (SODRP) investigation completed, UWWTR investigation completed, Operational investigation completed
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 140 hours spilling →
Red Brook 35 140 down 27% 100%
Hooton Roberts STW
Inlet overflow at sewage works
Sewage works
Hooton Roberts
Company site name
HOOTON ROBERTS/STW
EA ID / permit
YWS00797 · 664
Outlet location
SK4780096900 (OS grid reference) · View on Apple Maps
WFD catchment
Hooton Brook from Source to River Don (GB104027057430)
2024 spills / hours
38 / 295
Long-term average
66.5 spills a year (monitored since 2020)
Investigation
UWWTR investigation ongoing, Operational investigation completed
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 140 hours spilling →
Hooton Brook 25 140 down 34% 100%
Bradley Leeds Road CSO
Overflow on sewer network
Company site name
BRADLEY LEEDS ROAD/CSO
EA ID / permit
YWS01891 · WRA8636
Outlet location
SE1691319753 (OS grid reference) · View on Apple Maps
WFD catchment
River Colne from River Holme to River Calder (GB104027062550)
2024 spills / hours
52 / 141
Long-term average
53.0 spills a year (monitored since 2020)
High-spill reason (company)
Not asset maintenance - hydraulic capacity
Investigation
UWWTR investigation ongoing, Operational investigation completed
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 140 hours spilling →
Cinderfield Dike 45 140 down 13% 100%
Cragg Road No 2 CSO
Overflow on sewer network
Company site name
CRAGG ROAD/NO 2 CSO
EA ID / permit
YWS01952 · WRA8746
Outlet location
SE0113225780 (OS grid reference) · View on Apple Maps
WFD catchment
Cragg Brook from Source to River Calder (GB104027062610)
2024 spills / hours
44 / 311
Long-term average
50.3 spills a year (monitored since 2020)
High-spill reason (company)
Not asset maintenance - hydraulic capacity
Investigation
UWWTR investigation ongoing, Operational investigation completed
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 140 hours spilling →
Cragg Brook 40 140 down 9% 100%
Springwell Lane North CSO
Overflow on sewer network
Company site name
SPRINGWELL LANE NORTH/CSO
EA ID / permit
YWS00116 · 2300
Outlet location
SE3637993805 (OS grid reference) · View on Apple Maps
WFD catchment
Willow Beck Catchment (trib of Wiske) (GB104027069540)
2024 spills / hours
70 / 203
Long-term average
77.3 spills a year (monitored since 2020)
High-spill reason (company)
Not asset maintenance - hydraulic capacity
Investigation
UWWTR investigation ongoing, Operational investigation completed
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 139 hours spilling →
Willow Beck 57 139 down 19% 98%
Castleford Lane/Castleford Rd CSO
Storm discharge at pumping station
Company site name
CASTLEFORD RD/CSO
EA ID / permit
YWS01724 · WRA8302
Outlet location
SE3966024070 (OS grid reference) · View on Apple Maps
WFD catchment
Choke Churl Bk from Source to River Calder (GB104027062590)
2024 spills / hours
10 / 39
Long-term average
8.0 spills a year (monitored since 2020)
Investigation
Operational investigation completed
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 139 hours spilling →
Wain Dike Beck 24 139 up 140% 100%
Bainbridge STW
Inlet overflow at sewage works
Sewage works
Bainbridge
Company site name
BAINBRIDGE/STW
EA ID / permit
YWS00311 · 27/22/0121
Outlet location
SD9349090510 (OS grid reference) · View on Apple Maps
WFD catchment
River Bain/Raydale Beck Catch (trib of Ure) (GB104027069400)
2024 spills / hours
77 / 325
Long-term average
78.2 spills a year (monitored since 2020)
High-spill reason (company)
Performance - SW Infiltration
Investigation
UWWTR investigation ongoing, Operational investigation completed
Improvement
Operational improvement completed
Volume & pollution
Estimate from 139 hours spilling →
River Bain 64 139 down 17% 100%
Hawsker Sewage Pumping Station
Overflow on sewer network
Company site name
HAWSKER/NO 2 CSO
EA ID / permit
YWS00588 · 27/29/0058
Outlet location
NZ9211007450 (OS grid reference) · View on Apple Maps
WFD catchment
Rigg Mill Bk/Long Mill Bk catch (trib of Esk) (GB104027068140)
2024 spills / hours
71 / 358
Long-term average
48.8 spills a year (monitored since 2020)
Investigation
UWWTR investigation ongoing, Operational investigation completed
Improvement
Operational improvement completed
Volume & pollution
Estimate from 139 hours spilling →
Stainsacre Beck 17 139 down 76% 97%
Darley Head Sewage Pumping Station
Storm discharge at pumping station
Company site name
DARLEY HEAD/CSO
EA ID / permit
YWS00306 · 27/22/0103
Outlet location
SE1939659814 (OS grid reference) · View on Apple Maps
WFD catchment
Darley Beck Catchment (Trib of Nidd) (GB104027063810)
2024 spills / hours
35 / 159
Long-term average
32.8 spills a year (monitored since 2020)
Investigation
UWWTR investigation ongoing, Operational investigation completed, Bathing Water and/or Shellfish Water investigation ongoing
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 138 hours spilling →
Darley Beck 23 138 down 34% 100%
Worth Way North Beck CSO
Overflow on sewer network
Company site name
WORTH WAY NORTH BECK/CSO
EA ID / permit
YWS01377 · WRA7351
Outlet location
SE0625040780 (OS grid reference) · View on Apple Maps
WFD catchment
Worth from Bridgehouse Beck to R Aire (GB104027062891)
2024 spills / hours
42 / 205
Long-term average
42.2 spills a year (monitored since 2020)
High-spill reason (company)
Not asset maintenance - hydraulic capacity
Investigation
UWWTR investigation ongoing, Operational investigation completed
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 138 hours spilling →
River Worth 34 138 down 19% 100%
Langsett Road CSO
Overflow on sewer network
Company site name
LANGSETT ROAD/CSO
EA ID / permit
YWS01782 · WRA8454
Outlet location
SK3151492502 (OS grid reference) · View on Apple Maps
WFD catchment
Don from Little Don to River Loxley confluence (GB104027057411)
2024 spills / hours
57 / 238
Long-term average
49.5 spills a year (monitored since 2020)
High-spill reason (company)
Not asset maintenance - hydraulic capacity
Investigation
UWWTR investigation ongoing, Operational investigation completed
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 138 hours spilling →
River Don 36 138 down 37% 100%
The Granary CSO
Overflow on sewer network
Company site name
HOLLINS CLOSE/CSO
EA ID / permit
YWS00115 · 2299
Outlet location
SE2720059100 (OS grid reference) · View on Apple Maps
WFD catchment
Nidd from Burstwith to Oak Beck (GB104027068296)
2024 spills / hours
38 / 176
Long-term average
34.4 spills a year (monitored since 2020)
Investigation
UWWTR investigation ongoing, Bathing Water and/or Shellfish Water investigation ongoing
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 137 hours spilling →
Nidd and Tribs 28 137 down 26% 91%
Low Lane Sewage Pumping Station
Storm discharge at pumping station
Company site name
LOW LN HUTTON SESSAY/CSO
EA ID / permit
YWS00380 · 27/23/0303
Outlet location
SE4737075980 (OS grid reference) · View on Apple Maps
WFD catchment
Birdforth/Green's Bks Catch (trib of Swale) (GB104027068790)
2024 spills / hours
61 / 431
Long-term average
35.0 spills a year (monitored since 2020)
Investigation
UWWTR investigation ongoing
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 137 hours spilling →
Culverted Trib Birdforth Beck 26 137 down 57% 100%
Harley STW
Storm tank at sewage works
Sewage works
Harley
Company site name
HARLEY/STW
EA ID / permit
YWS00912 · E620(SS)
Outlet location
SK3727098360 (OS grid reference) · View on Apple Maps
WFD catchment
Knoll Beck from Source to River Dearne (GB104027057470)
2024 spills / hours
42 / 233
Long-term average
38.3 spills a year (monitored since 2020)
Investigation
UWWTR investigation ongoing, Operational investigation completed
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 137 hours spilling →
Harley Dike 29 137 down 31% 100%
Spenborough SPS
Storm discharge at pumping station
Company site name
SPENBOROUGH/SPS
EA ID / permit
YWS01024 · NPSWQD009808
Outlet location
SE2208022410 (OS grid reference) · View on Apple Maps
WFD catchment
Calder from River Colne to River Chald (GB104027062631)
2024 spills / hours
24 / 127
Long-term average
46.5 spills a year (monitored since 2020)
Investigation
UWWTR investigation ongoing, Operational investigation completed
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 137 hours spilling →
River Calder and River Spen 26 137 up 8% 100%
Hollin Drive CSO
Overflow on sewer network
Company site name
HOLLIN DRIVE/CSO
EA ID / permit
YWS02045 · WRA9149
Outlet location
SE2814537212 (OS grid reference) · View on Apple Maps
WFD catchment
Meanwood Beck from Source to River Aire (GB104027062900)
2024 spills / hours
57 / 118
Long-term average
31.7 spills a year (monitored since 2020)
High-spill reason (company)
Not asset maintenance - hydraulic capacity
Investigation
Env Act (SODRP) investigation completed, UWWTR investigation completed, Operational investigation completed
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 137 hours spilling →
Meanwood Beck 46 137 down 19% 98%
Yws Unknown Sites Default
Overflow on sewer network
Company site name
ALL SAINTS SQUARE/CSO
EA ID / permit
YWS01064 · S/CB/67
Outlet location
SK4274593086 (OS grid reference) · View on Apple Maps
WFD catchment
Don from Greasborough Dyke to River Dearne (GB104027057452)
2024 spills / hours
75 / 141
Long-term average
92.2 spills a year (monitored since 2020)
High-spill reason (company)
Not asset maintenance - hydraulic capacity
Investigation
Env Act (SODRP) investigation ongoing, UWWTR investigation ongoing
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 137 hours spilling →
Varies With Outlet 61 137 down 19% 100%
Dalton Ici South CSO
Overflow on sewer network
Company site name
DALTON ICI SOUTH/CSO
EA ID / permit
YWS00023 · 1375
Outlet location
SE1704217595 (OS grid reference) · View on Apple Maps
WFD catchment
Fenay beck from Source to River Colne (GB104027063340)
2024 spills / hours
17 / 115
Long-term average
27.0 spills a year (monitored since 2020)
Investigation
UWWTR investigation ongoing
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 136 hours spilling →
Lees Hd Beck Trib Colne/Calder 22 136 up 29% 98%
Burnsall Car Park SPS
Storm discharge at pumping station
Company site name
BURNSALL CAR PK/CSO
EA ID / permit
YWS00177 · 27/19/0054
Outlet location
SE0319461039 (OS grid reference) · View on Apple Maps
WFD catchment
Wharfe from Park Gill Bk to Barben Beck/River Dibb (GB104027064253)
Bathing water
Wharfe at Cromwheel, Ilkley
2024 spills / hours
35 / 193
Long-term average
43.2 spills a year (monitored since 2020)
Investigation
UWWTR investigation completed, Operational investigation completed, Bathing Water and/or Shellfish Water investigation ongoing
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 136 hours spilling →
River Wharfe 27 136 down 23% 100%
Adel Church Lane CSO
Overflow on sewer network
Company site name
ADEL CHURCH LANE/CSO
EA ID / permit
YWS00008 · 1108
Outlet location
SE2763540686 (OS grid reference) · View on Apple Maps
WFD catchment
Meanwood Beck from Source to River Aire (GB104027062900)
2024 spills / hours
46 / 176
Long-term average
41.8 spills a year (monitored since 2020)
High-spill reason (company)
Not asset maintenance - hydraulic capacity
Investigation
Env Act (SODRP) investigation completed, UWWTR investigation completed, Operational investigation completed
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 135 hours spilling →
Adel Beck 36 135 down 22% 100%
Eastrington SPS
Storm discharge at pumping station
Company site name
EASTRINGTON/CSO
EA ID / permit
YWS01503 · WRA7946
Outlet location
SE7982029780 (OS grid reference) · View on Apple Maps
WFD catchment
Foulness from Black Beck to Market Weighton Canal (GB104026066690)
2024 spills / hours
19 / 186
Long-term average
20.7 spills a year (monitored since 2020)
Investigation
UWWTR investigation ongoing, Operational investigation ongoing
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 135 hours spilling →
Leys Drain (Culverted) 16 135 down 16% 100%
Denaby No 2 STW
Storm tank at sewage works
Sewage works
Denaby
Company site name
DENABY/NO 2 STW
EA ID / permit
YWS00919 · E728(SS)
Outlet location
SK4946099920 (OS grid reference) · View on Apple Maps
WFD catchment
Don from Greasborough Dyke to River Dearne (GB104027057452)
2024 spills / hours
46 / 252
Long-term average
44.3 spills a year (monitored since 2020)
High-spill reason (company)
Not asset maintenance - hydraulic capacity
Investigation
Env Act (SODRP) investigation completed, UWWTR investigation completed, Operational investigation completed
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 134 hours spilling →
River Don 32 134 down 30% 100%
Portobello SPS
Storm discharge at pumping station
Company site name
PORTOBELLO/CSO
EA ID / permit
YWS00057 · 1814
Outlet location
SE3329018420 (OS grid reference) · View on Apple Maps
WFD catchment
Owler Beck from Source to River Calder (GB104027062530)
2024 spills / hours
33 / 205
Long-term average
18.3 spills a year (monitored since 2020)
Investigation
UWWTR investigation ongoing, Operational investigation completed
Improvement
Operational improvement ongoing
Volume & pollution
Estimate from 134 hours spilling →
Pugney'S Drain 27 134 down 18% 100%
Tadcaster Road CSO & Bishopthorpe
Storm discharge at pumping station
Company site name
TADCASTER ROAD/CSO
EA ID / permit
YWS00412 · 27/24/0245
Outlet location
SE5913048610 (OS grid reference) · View on Apple Maps
WFD catchment
The Foss Catchment (trib of Wharfe) (GB104027063980)
2024 spills / hours
20 / 161
Long-term average
12.2 spills a year (monitored since 2020)
Investigation
UWWTR investigation ongoing, Operational investigation completed
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 134 hours spilling →
Unnamed Trib of River Ouse 16 134 down 20% 98%
Follifoot Sewage Pumping Station
Storm discharge at pumping station
Company site name
FOLLIFOOT/CSO
EA ID / permit
YWS00233 · 27/21/0136
Outlet location
SE3483252592 (OS grid reference) · View on Apple Maps
WFD catchment
Crimple Beck from Source to Park Beck (GB104027063741)
2024 spills / hours
4 / 4.8
Long-term average
9.5 spills a year (monitored since 2020)
Investigation
No investigation activity in reporting period
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 133 hours spilling →
Horse Pond Beck 28 133 up 600% 100%
Welton SPS
Storm discharge at pumping station
Company site name
WELTON/CSO
EA ID / permit
YWS01722 · WRA8284
Outlet location
SE9536025760 (OS grid reference) · View on Apple Maps
WFD catchment
Not part of a WFD catchment
2024 spills / hours
54 / 306
Long-term average
43.0 spills a year (monitored since 2020)
High-spill reason (company)
Not asset maintenance - hydraulic capacity
Investigation
UWWTR investigation ongoing, Operational investigation completed
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 133 hours spilling →
Welton Bank Drain 36 133 down 33% 100%
Dockfield Road CSO
Overflow on sewer network
Company site name
DOCKFIELD ROAD/CSO
EA ID / permit
YWS01006 · NPSWQD004589
Outlet location
SE1518937959 (OS grid reference) · View on Apple Maps
WFD catchment
Aire (R Worth to Gill Beck) (GB104027063034)
2024 spills / hours
7 / 11
Long-term average
11.5 spills a year (monitored since 2020)
High-spill reason (company)
Not asset maintenance - hydraulic capacity
Monitor below 90%
Comms failure / issue · Resolved - Aug
Investigation
Env Act (SODRP) investigation ongoing, Operational investigation completed
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 133 hours spilling →
River Aire 51 133 up 629% 58%
Billams Hill SSO
Overflow on sewer network
Company site name
BILLAMS HILL/CSO
EA ID / permit
YWS01280 · WADC717
Outlet location
SE2009945880 (OS grid reference) · View on Apple Maps
WFD catchment
Wharfe from Hundwith Beck to River Washburn (GB104027064258)
2024 spills / hours
64 / 136
Long-term average
64.8 spills a year (monitored since 2020)
High-spill reason (company)
Not asset maintenance - hydraulic capacity
Investigation
UWWTR investigation completed, Operational investigation completed, Bathing Water and/or Shellfish Water investigation ongoing
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 133 hours spilling →
River Wharfe 49 133 down 23% 100%
Raglan Street CSO
Overflow on sewer network
Company site name
RAGLAN STREET/CSO
EA ID / permit
YWS00652 · 2989
Outlet location
SE0842025814 (OS grid reference) · View on Apple Maps
WFD catchment
Hebble Brook from Source to River Calder (GB104027062780)
2024 spills / hours
74 / 183
Long-term average
79.7 spills a year (monitored since 2020)
High-spill reason (company)
Not asset maintenance - hydraulic capacity
Investigation
Env Act (SODRP) investigation completed, UWWTR investigation completed, Operational investigation completed
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 132 hours spilling →
Hebble Brook (Culverted) 65 132 down 12% 100%
Sands Lane Sewage Pumping Station
Overflow on sewer network
Company site name
SANDS LANE BRID/CSO
EA ID / permit
YWS01002 · NPSWQD000318
Outlet location
TA1922067340 (OS grid reference) · View on Apple Maps
WFD catchment
Yorkshire South (GB640402491000)
Bathing water
Bridlington North Beach
2024 spills / hours
16 / 10
Long-term average
21.7 spills a year (monitored since 2020)
High-spill reason (company)
Not asset maintenance - hydraulic capacity
Investigation
UWWTR investigation ongoing, Operational investigation completed
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 132 hours spilling →
North Sea 41 132 up 156% 100%
Marton Hall Farm Pumping Station
Storm discharge at pumping station
Company site name
MARTON HALL FARM/SPS
EA ID / permit
YWS01333 · WRA6712
Outlet location
SD8951250184 (OS grid reference) · View on Apple Maps
WFD catchment
Stock Beck (GB112071065540)
2024 spills / hours
31 / 189
Long-term average
34.0 spills a year (monitored since 2020)
Investigation
Env Act (SODRP) investigation completed, UWWTR investigation completed, Operational investigation completed
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 132 hours spilling →
Culverted Trib of Bedlam Dyke 26 132 down 16% 100%
Little Horton Lane CSO
Overflow on sewer network
Company site name
LITTLE HORTON LANE/2 CSO
EA ID / permit
YWS01587 · WRA8106
Outlet location
SE1606032911 (OS grid reference) · View on Apple Maps
WFD catchment
Bradford Beck (Clayton Bk to R Aire) (GB104027062862)
2024 spills / hours
36 / 67
Long-term average
50.5 spills a year (monitored since 2020)
High-spill reason (company)
Not asset maintenance - hydraulic capacity
Investigation
Env Act (SODRP) investigation completed, UWWTR investigation completed, Operational investigation completed
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 132 hours spilling →
Bradford Beck 70 132 up 94% 100%
Sinderby STW
Storm tank at sewage works
Sewage works
Sinderby
Company site name
SINDERBY/STW/3XDWF OVERFLOW
EA ID / permit
YWS00340 · 27/23/0148
Outlet location
SE3470082200 (OS grid reference) · View on Apple Maps
WFD catchment
Swale from Wiske to River Ure (GB104027069591)
2024 spills / hours
34 / 240
Long-term average
37.2 spills a year (monitored since 2020)
Investigation
UWWTR investigation ongoing, Operational investigation completed
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 131 hours spilling →
Holme and Ainderby Beck 16 131 down 53% 100%
Buckstone Road CSO
Overflow on sewer network
Company site name
BUCKSTONE ROAD/NO 3 CSO
EA ID / permit
YWS01389 · WRA7403
Outlet location
SE2838439758 (OS grid reference) · View on Apple Maps
WFD catchment
Meanwood Beck from Source to River Aire (GB104027062900)
2024 spills / hours
55 / 163
Long-term average
57.3 spills a year (monitored since 2020)
High-spill reason (company)
Not asset maintenance - hydraulic capacity
Investigation
Env Act (SODRP) investigation ongoing, UWWTR investigation ongoing
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 130 hours spilling →
Adel Beck 43 130 down 22% 100%
Barf Lane Sewage Pumping Station
Storm discharge at pumping station
Company site name
BUGTHORPE BARF LANE/CSO
EA ID / permit
YWS00559 · 27/28/0125
Outlet location
SE7746057570 (OS grid reference) · View on Apple Maps
WFD catchment
Barlam/Skirpen Beck catch (trib of Derwent) (GB104027063510)
2024 spills / hours
0 / 0.0
Long-term average
8.8 spills a year (monitored since 2020)
Investigation
Operational investigation completed
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 130 hours spilling →
Trib of Keldsike Beck 22 130 up from 0 100%
Welland Crescent CSO
Overflow on sewer network
Company site name
WELLAND CRESCENT/CSO
EA ID / permit
YWS01738 · WRA8383
Outlet location
SE3892000630 (OS grid reference) · View on Apple Maps
WFD catchment
Knoll Beck from Source to River Dearne (GB104027057470)
2024 spills / hours
46 / 121
Long-term average
39.8 spills a year (monitored since 2020)
High-spill reason (company)
Not asset maintenance - hydraulic capacity
Investigation
UWWTR investigation ongoing, Operational investigation completed
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 129 hours spilling →
Jump Valley Stream 35 129 down 24% 100%
Broomhill Emley CSO
Overflow on sewer network
Company site name
BROOMHALL EMLEY/CSO
EA ID / permit
YWS00056 · 1811
Outlet location
SE2537213220 (OS grid reference) · View on Apple Maps
WFD catchment
Bentley Brook from Source to River Dearne (GB104027063310)
2024 spills / hours
32 / 132
Long-term average
28.2 spills a year (monitored since 2020)
Investigation
UWWTR investigation ongoing, Operational investigation ongoing
Improvement
Operational improvement completed
Volume & pollution
Estimate from 129 hours spilling →
Little Dike 25 129 down 22% 95%
Bishop Dike Sewage Pumping Station
Storm discharge at pumping station
Company site name
BISHOPDYKE/CSO
EA ID / permit
YWS00401 · 27/24/0213
Outlet location
SE5745037800 (OS grid reference) · View on Apple Maps
WFD catchment
Ouse Still/fleet bk - Kelfield and Wharfe d/s Ryther (GB104027064280)
2024 spills / hours
16 / 60
Long-term average
14.2 spills a year (monitored since 2020)
Investigation
UWWTR investigation ongoing, Operational investigation completed
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 128 hours spilling →
Bishop Dike 19 128 up 19% 100%
Brinsworth Sewage Pumping Station
Overflow on sewer network
Company site name
BRINSWORTH/CSO
EA ID / permit
YWS00713 · 3390
Outlet location
SK4231090400 (OS grid reference) · View on Apple Maps
WFD catchment
Rother, Doe Lea to Don (GB104027057772)
2024 spills / hours
54 / 168
Long-term average
50.7 spills a year (monitored since 2020)
High-spill reason (company)
Not asset maintenance - hydraulic capacity
Investigation
Env Act (SODRP) investigation completed, UWWTR investigation completed, Operational investigation completed
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 128 hours spilling →
Trib of River Rother 49 128 down 9% 100%

Sewage treatment works

Storm tanks and inlet overflows at each Yorkshire 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.