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
Staddlethorpe Broad Lane CSO
Storm discharge at pumping station
Company site name
GILBERDYKE/CSO
EA ID / permit
YWS01186 · WADC1368
Outlet location
SE8358028570 (OS grid reference) · View on Apple Maps
WFD catchment
Not part of a WFD catchment
2024 spills / hours
0 / 0.0
Long-term average
0.3 spills a year (monitored since 2020)
Investigation
No investigation activity in reporting period
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 13 hours spilling →
Trib of the Ouse (Tidal) 2 13 up from 0 100%
Fairthorn Road No 2 CSO
Overflow on sewer network
Company site name
FAIRTHORN ROAD/NO 2 CSO
EA ID / permit
YWS01628 · WRA8164
Outlet location
SK3678991616 (OS grid reference) · View on Apple Maps
WFD catchment
Don from River Loxley confl to River Don Works (GB104027057412)
2024 spills / hours
15 / 15
Long-term average
17.7 spills a year (monitored since 2020)
Investigation
UWWTR investigation ongoing
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 13 hours spilling →
Firth Park Stream 13 13 down 13% 99%
Higher Coach Road No 2 CSO
Overflow on sewer network
Company site name
HIGHER COACH RD/NO 2 CSO
EA ID / permit
YWS01796 · WRA8473
Outlet location
SE1398138536 (OS grid reference) · View on Apple Maps
WFD catchment
Aire (R Worth to Gill Beck) (GB104027063034)
2024 spills / hours
33 / 89
Long-term average
32.5 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 13 hours spilling →
Tributary of River Aire 7 13 down 79% 100%
Town Street Sheffield CSO
Overflow on sewer network
Company site name
TOWN STREET SHEFFLD/CSO
EA ID / permit
YWS00798 · 665
Outlet location
SK4014091540 (OS grid reference) · View on Apple Maps
WFD catchment
Don from River Don Works to River Rother (GB104027057413)
2024 spills / hours
23 / 44
Long-term average
7.2 spills a year (monitored since 2020)
Investigation
No investigation activity in reporting period
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 12 hours spilling →
Don 7 12 down 70% 100%
Bessingby Road CSO
Overflow on sewer network
Company site name
BESSINGBY ROAD/CSO
EA ID / permit
YWS01374 · WRA7345
Outlet location
TA1812066790 (OS grid reference) · View on Apple Maps
WFD catchment
Yorkshire South (GB640402491000)
Bathing water
Bridlington South Beach
2024 spills / hours
12 / 13
Long-term average
13.2 spills a year (monitored since 2020)
Investigation
UWWTR investigation ongoing, Operational investigation completed
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 12 hours spilling →
Gypsey Race 13 12 up 8% 100%
Permit applied for
Overflow on sewer network
Company site name
BLACKBURN/CSO
EA ID / permit
YWS00026 · Permit applied for
Outlet location
SK3889092820 (OS grid reference) · View on Apple Maps
WFD catchment
Blackburn Brook from Source to River Don (GB104027057440)
2024 spills / hours
24 / 29
Long-term average
42.2 spills a year (monitored since 2020)
Investigation
UWWTR investigation ongoing, Operational investigation completed
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 12 hours spilling →
Permit applied for 6 12 down 75% 100%
Jack Hill CSO
Overflow on sewer network
Company site name
JACK BRIDGE WEST/CSO
EA ID / permit
YWS00068 · 1897
Outlet location
SE1520017530 (OS grid reference) · View on Apple Maps
WFD catchment
River Colne from River Holme to River Calder (GB104027062550)
2024 spills / hours
14 / 8.3
Long-term average
12.8 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 12 hours spilling →
Colne 11 12 down 21% 100%
Great North Road NO2 CSO
Overflow on sewer network
Company site name
GREAT NORTH ROAD/NO 2 CSO
EA ID / permit
YWS00408 · 27/24/0239
Outlet location
SE4436833657 (OS grid reference) · View on Apple Maps
WFD catchment
Carr Dike from Source to Green Dike (GB104027063640)
2024 spills / hours
17 / 20
Long-term average
13.5 spills a year (monitored since 2020)
Investigation
UWWTR investigation ongoing, Operational investigation completed
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 12 hours spilling →
Sheep Dike 10 12 down 41% 100%
Main Street No 2 CSO
Overflow on sewer network
Company site name
MAIN ST COTTINGLEY/2 CSO
EA ID / permit
YWS01597 · WRA8126
Outlet location
SE1188536954 (OS grid reference) · View on Apple Maps
WFD catchment
Aire (R Worth to Gill Beck) (GB104027063034)
2024 spills / hours
7 / 2.0
Long-term average
3.3 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 12 hours spilling →
Cottingley Beck 13 12 up 86% 100%
Aspley Wakefield Road CSO
Overflow on sewer network
Company site name
ASPLEY WAKEFIELD RD/CSO
EA ID / permit
YWS02067 · WRA9173
Outlet location
SE1538016280 (OS grid reference) · View on Apple Maps
WFD catchment
River Colne from River Holme to River Calder (GB104027062550)
2024 spills / hours
27 / 40
Long-term average
31.7 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 12 hours spilling →
Penny Dike 13 12 down 52% 100%
Forest Hill Road CSO
Overflow on sewer network
Company site name
FOREST HILL ROAD/CSO
EA ID / permit
YWS02132 · WRA9244
Outlet location
SE0793018210 (OS grid reference) · View on Apple Maps
WFD catchment
Black Brook from Source to River Calder (GB104027062570)
2024 spills / hours
13 / 10
Long-term average
16.3 spills a year (monitored since 2020)
Investigation
UWWTR investigation ongoing, Operational investigation completed
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 12 hours spilling →
Tributary of Holywell Brook 8 12 down 38% 98%
Danesfort Avenue CSO
Overflow on sewer network
Company site name
DANESFORT AVENUE/CSO
EA ID / permit
YWS00413 · 27/24/0246
Outlet location
SE5781250716 (OS grid reference) · View on Apple Maps
WFD catchment
Holgate Beck to Ouse (GB104027064001)
2024 spills / hours
2 / 3.8
Long-term average
2.0 spills a year (monitored since 2020)
Investigation
Operational investigation completed
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 12 hours spilling →
Trib of Holgate Beck 3 12 up 50% 100%
Rillington STW
Inlet overflow at sewage works
Sewage works
Rillington
Company site name
RILLINGTON/STW
EA ID / permit
YWS00518 · 27/27/0065
Outlet location
SE8480074700 (OS grid reference) · View on Apple Maps
WFD catchment
Derwent from River Rye to Kirkham (GB104027068313)
2024 spills / hours
23 / 20
Long-term average
17.2 spills a year (monitored since 2020)
Investigation
UWWTR investigation ongoing, Operational investigation completed
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 12 hours spilling →
Rillington Beck 18 12 down 22% 100%
Hull Road CSO
Overflow on sewer network
Company site name
HULL ROAD ANLABY/CSO
EA ID / permit
YWS02211 · YWUCD2/3
Outlet location
TA0398228758 (OS grid reference) · View on Apple Maps
WFD catchment
Fleet Drain (GB104026066750)
2024 spills / hours
14 / 16
Long-term average
19.5 spills a year (monitored since 2020)
Investigation
UWWTR investigation ongoing, Operational investigation completed
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 12 hours spilling →
Sand Dike 11 12 down 21% 100%
Station Road No. 2 CSO
Overflow on sewer network
Company site name
WESTBOURNE DRIVE/NO 2 CSO
EA ID / permit
YWS00184 · 27/19/0064
Outlet location
SE1716044880 (OS grid reference) · View on Apple Maps
WFD catchment
Wharfe from Hundwith Beck to River Washburn (GB104027064258)
2024 spills / hours
17 / 19
Long-term average
10.5 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 12 hours spilling →
Mickle Ing Beck 9 12 down 47% 100%
Ash Grove CSO
Overflow on sewer network
Company site name
ASH GROVE CASTLETON/CSO
EA ID / permit
YWS01274 · WADC681
Outlet location
NZ6896707838 (OS grid reference) · View on Apple Maps
WFD catchment
Danby Beck catchment (trib of Esk) (GB104027068110)
2024 spills / hours
10 / 14
Long-term average
17.2 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 12 hours spilling →
Danby Beck 19 12 up 90% 96%
Cross Sun Street CSO
Overflow on sewer network
Company site name
CROSS SUN STREET/CSO
EA ID / permit
YWS01707 · WRA8250
Outlet location
SE1664233580 (OS grid reference) · View on Apple Maps
WFD catchment
Bradford Beck (Clayton Bk to R Aire) (GB104027062862)
2024 spills / hours
9 / 5.8
Long-term average
11.0 spills a year (monitored since 2020)
Investigation
Env Act (SODRP) investigation ongoing
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 12 hours spilling →
Bradford Beck (Culverted) 17 12 up 89% 100%
Bewholme Sewage Pumping Station
Storm discharge at pumping station
Company site name
SEATON ROAD BEWHOLME/CSO
EA ID / permit
YWS01732 · WRA8339
Outlet location
TA1684049730 (OS grid reference) · View on Apple Maps
WFD catchment
Barmston Sea Drain / Skipsea Drain to Conf (GB104026077770)
2024 spills / hours
0 / 0.0
Long-term average
1.5 spills a year (monitored since 2020)
Investigation
No investigation activity in reporting period
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 12 hours spilling →
Unnamed Trib of Stream Dike 3 12 up from 0 100%
Old Lane No 2 CSO
Overflow on sewer network
Company site name
OLD LANE/NO 2 CSO
EA ID / permit
YWS01805 · WRA8488
Outlet location
SE2088028160 (OS grid reference) · View on Apple Maps
WFD catchment
Batley Beck from Source to River Calder (GB104027062670)
2024 spills / hours
11 / 12
Long-term average
7.0 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 12 hours spilling →
Wormalds Drain 12 12 up 9% 100%
Stainland Road CSO
Overflow on sewer network
Company site name
HOLYWELL GREEN/CSO
EA ID / permit
YWS01967 · WRA8770
Outlet location
SE0923019800 (OS grid reference) · View on Apple Maps
WFD catchment
Black Brook from Source to River Calder (GB104027062570)
2024 spills / hours
14 / 21
Long-term average
14.8 spills a year (monitored since 2020)
Investigation
UWWTR investigation ongoing, Operational investigation completed
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 12 hours spilling →
Holywell Brook 5 12 down 64% 100%
Newlands No 2 CSO
Overflow on sewer network
Company site name
NEWLANDS/NO 2 CSO
EA ID / permit
YWS01992 · WRA9032
Outlet location
SE0061353356 (OS grid reference) · View on Apple Maps
WFD catchment
Haw Beck from Source to Eller beck (GB104027063060)
2024 spills / hours
12 / 13
Long-term average
11.3 spills a year (monitored since 2020)
Investigation
UWWTR investigation ongoing, Operational investigation completed
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 12 hours spilling →
Embsay Beck 5 12 down 58% 100%
Glynndale Drive Tank Sewer
Overflow on sewer network
Company site name
GLYNNDALE DRIVE/CSO
EA ID / permit
YWS01332 · WRA6696
Outlet location
TA0105090000 (OS grid reference) · View on Apple Maps
WFD catchment
Burniston Beck/Sea Cut/Scalby Beck Catch to N Sea (GB104027067980)
Bathing water
Scarborough North Bay
2024 spills / hours
12 / 39
Long-term average
7.8 spills a year (monitored since 2020)
Investigation
Operational investigation completed
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 11 hours spilling →
Sea Cut (Scalby Beck) 5 11 down 58% 100%
King Street CSO
Overflow on sewer network
Company site name
KING STREET/CSO
EA ID / permit
YWS00722 · 3482
Outlet location
SE0984025247 (OS grid reference) · View on Apple Maps
WFD catchment
Hebble Brook from Source to River Calder (GB104027062780)
2024 spills / hours
13 / 9.3
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 11 hours spilling →
Hebble Brook 7 11 down 46% 100%
Bradford Road 213 CSO
Overflow on sewer network
Company site name
BRADFORD ROAD 213/CSO
EA ID / permit
YWS01656 · WRA8196
Outlet location
SE1214032270 (OS grid reference) · View on Apple Maps
WFD catchment
Clayton Beck (Source to Bradford Bk) (GB104027062861)
2024 spills / hours
9 / 10
Long-term average
9.3 spills a year (monitored since 2020)
Investigation
Operational investigation completed
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 11 hours spilling →
Clayton Beck 8 11 down 11% 99%
Cut Road No.2 CSO
Overflow on sewer network
Company site name
CUT ROAD/NO 2 CSO
EA ID / permit
YWS01662 · WRA8203
Outlet location
SE4678227204 (OS grid reference) · View on Apple Maps
WFD catchment
Aire from Wyke Beck to Fryston Beck (GB104027063036)
2024 spills / hours
26 / 26
Long-term average
22.7 spills a year (monitored since 2020)
Monitor below 90%
Sensor failure / issue · Resolved - Apr
Investigation
Env Act (SODRP) investigation ongoing, UWWTR investigation ongoing
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 11 hours spilling →
River Aire 13 11 down 50% 69%
Fartown Bradford Road CSO
Overflow on sewer network
Company site name
FARTOWN BRADFORD RD/CSO
EA ID / permit
YWS00159 · 2579
Outlet location
SE1520717533 (OS grid reference) · View on Apple Maps
WFD catchment
River Colne from River Holme to River Calder (GB104027062550)
2024 spills / hours
15 / 9.8
Long-term average
14.0 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 11 hours spilling →
River Colne via Birkby Relief 17 11 up 13% 100%
Hamilton Drive West CSO
Overflow on sewer network
Company site name
HAMILTON DRIVE WEST/CSO
EA ID / permit
YWS00462 · 27/24/0438
Outlet location
SE5786050740 (OS grid reference) · View on Apple Maps
WFD catchment
Holgate Beck to Ouse (GB104027064001)
2024 spills / hours
16 / 12
Long-term average
10.6 spills a year (monitored since 2020)
Investigation
UWWTR investigation ongoing, Operational investigation completed
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 11 hours spilling →
Holgate Beck 16 11 no change 100%
Combs Hill No 2 CSO
Overflow on sewer network
Company site name
COMBS HILL/NO 2 CSO
EA ID / permit
YWS01688 · WRA8228
Outlet location
SE2517019090 (OS grid reference) · View on Apple Maps
WFD catchment
Calder from River Colne to River Chald (GB104027062631)
2024 spills / hours
28 / 28
Long-term average
18.7 spills a year (monitored since 2020)
Monitor below 90%
Comms failure / issue · Scheduled
Investigation
UWWTR investigation ongoing
Improvement
Operational improvement completed
Volume & pollution
Estimate from 11 hours spilling →
Trib of Calder & Hebble Nav. 14 11 down 50% 69%
Spencer Road CSO
Overflow on sewer network
Company site name
SPENCER ROAD/CSO
EA ID / permit
YWS02052 · WRA9158
Outlet location
SE1457332413 (OS grid reference) · View on Apple Maps
WFD catchment
Bradford Beck (Clayton Bk to R Aire) (GB104027062862)
2024 spills / hours
15 / 9.3
Long-term average
14.2 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 11 hours spilling →
Horton Beck (West Brook) 21 11 up 40% 100%
Permit applied for
Overflow on sewer network
Company site name
EVERINGHAM HALL/SPS
EA ID / permit
YWS02252 · Permit applied for
Outlet location
SE8038842190 (OS grid reference) · View on Apple Maps
WFD catchment
Foulness from Black Beck to Market Weighton Canal (GB104026066690)
2024 spills / hours
13 / 133
Long-term average
10.0 spills a year (monitored since 2023)
Investigation
No investigation activity in reporting period
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 11 hours spilling →
Permit applied for 7 11 down 46% 100%
Hookstone Drive No 2 CSO
Overflow on sewer network
Company site name
HOOKSTONE DRIVE/NO 2 CSO
EA ID / permit
YWS00240 · 27/21/0145
Outlet location
SE3333154973 (OS grid reference) · View on Apple Maps
WFD catchment
Crimple Beck from Source to Park Beck (GB104027063741)
2024 spills / hours
0 / 0.0
Long-term average
1.7 spills a year (monitored since 2020)
Investigation
Operational investigation completed
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 11 hours spilling →
Culverted Rud Beck/Publicsewer 9 11 up from 0 92%
Morton on Swale SPS
Storm discharge at pumping station
Company site name
MORTON ON SWALE VILL/CSO
EA ID / permit
YWS00334 · 27/23/0131
Outlet location
SE3236091880 (OS grid reference) · View on Apple Maps
WFD catchment
Swale from Bedale Beck to River Wiske (GB104027068930)
2024 spills / hours
11 / 38
Long-term average
9.0 spills a year (monitored since 2020)
Investigation
UWWTR investigation ongoing
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 11 hours spilling →
River Swale 4 11 down 64% 100%
Walden Drive No 2 CSO
Overflow on sewer network
Company site name
WALDEN DRIVE/NO 2 CSO
EA ID / permit
YWS01548 · WRA7997
Outlet location
SE1241135305 (OS grid reference) · View on Apple Maps
WFD catchment
Bradford Beck (Clayton Bk to R Aire) (GB104027062862)
2024 spills / hours
10 / 7.5
Long-term average
10.0 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 11 hours spilling →
Clvrt Trib of Cliff Dike 7 11 down 30% 100%
Wrenthorpe Lane CSO
Overflow on sewer network
Company site name
WRENTHORPE LANE/CSO
EA ID / permit
YWS02101 · WRA9207
Outlet location
SE3138022510 (OS grid reference) · View on Apple Maps
WFD catchment
River Chald from Source to River Calder (GB104027062620)
2024 spills / hours
18 / 6.8
Long-term average
5.7 spills a year (monitored since 2020)
Investigation
No investigation activity in reporting period
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 11 hours spilling →
Balne Beck 15 11 down 17% 100%
Carnaby Sewage Pumping Station
Storm discharge at pumping station
Company site name
CARNABY EAST/CSO
EA ID / permit
YWS01958 · C4279
Outlet location
TA1459064150 (OS grid reference) · View on Apple Maps
WFD catchment
Earls Dyke from Source to North Sea (GB104026066640)
Bathing water
Wilsthorpe
2024 spills / hours
1 / 6.3
Long-term average
1.2 spills a year (monitored since 2020)
Investigation
Operational investigation completed
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 11 hours spilling →
Demming Drain 2 11 up 100% 97%
Wattle Syke CSO
Overflow on sewer network
Company site name
WATTLE SYKE/CSO
EA ID / permit
YWS00218 · 27/20/0161
Outlet location
SE3944046420 (OS grid reference) · View on Apple Maps
WFD catchment
Wharfe from Collingham Beck to Tadcaster Weir (GB104027064255)
Bathing water
Wharfe at Wilderness Carpark
2024 spills / hours
0 / 0.0
Long-term average
1.3 spills a year (monitored since 2020)
Monitor below 90%
Comms failure / issue · Resolved - Apr
Investigation
Bathing Water and/or Shellfish Water investigation ongoing
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 11 hours spilling →
River Wharfe 1 11 up from 0 82%
Sutton on Derwent SPS
Storm discharge at pumping station
Company site name
DERWENT/CSO
EA ID / permit
YWS00561 · 27/28/0131
Outlet location
SE7070046890 (OS grid reference) · View on Apple Maps
WFD catchment
River Derwent from Elvington Beck to River Ouse (GB104027068311)
2024 spills / hours
4 / 31
Long-term average
5.8 spills a year (monitored since 2020)
Investigation
No investigation activity in reporting period
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 11 hours spilling →
Unnamed Trib of Derwent 1 11 down 75% 100%
Birstall CSO
Overflow on sewer network
Company site name
BIRSTALL/CSO
EA ID / permit
YWS01109 · WA6377
Outlet location
SE2237225830 (OS grid reference) · View on Apple Maps
WFD catchment
Batley Beck from Source to River Calder (GB104027062670)
2024 spills / hours
8 / 9.3
Long-term average
12.5 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 11 hours spilling →
Smithies Beck 12 11 up 50% 100%
Great Houghton Sewage Pumping Stn
Storm discharge at pumping station
Company site name
GREAT HOUGHTON/CSO
EA ID / permit
YWS01481 · WRA7840
Outlet location
SE4408506077 (OS grid reference) · View on Apple Maps
WFD catchment
Ings/Carr/Thurnscoe Dikes from Source to Dearne (GB104027057550)
2024 spills / hours
8 / 14
Long-term average
7.7 spills a year (monitored since 2020)
Investigation
Env Act (SODRP) investigation ongoing
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 11 hours spilling →
Thurnscoe Dyke 3 11 down 63% 100%
Carlisle Street Roundabout CSO
Overflow on sewer network
Company site name
ATLAS WORKS/CSO
EA ID / permit
YWS01570 · WRA8086
Outlet location
SK3719588881 (OS grid reference) · View on Apple Maps
WFD catchment
Don from River Loxley confl to River Don Works (GB104027057412)
2024 spills / hours
17 / 14
Long-term average
20.0 spills a year (monitored since 2020)
Monitor below 90%
Capital / maintenance works affect EDM operation · Resolved - Jun
Investigation
UWWTR investigation ongoing, Operational investigation completed
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 11 hours spilling →
River Don 17 11 no change 78%
Hastilar Road South CSO
Overflow on sewer network
Company site name
HASTILAR ROAD SOUTH/CSO
EA ID / permit
YWS00092 · 218
Outlet location
SK3999884944 (OS grid reference) · View on Apple Maps
WFD catchment
Shire Brook (GB104027057773)
2024 spills / hours
16 / 12
Long-term average
19.0 spills a year (monitored since 2020)
Investigation
UWWTR investigation ongoing, Operational investigation completed
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 10 hours spilling →
Trib of Shire Brook 15 10 down 6% 100%
Not matched in Ea Consents Database
Overflow on sewer network
Company site name
UPWELL STREET/CSO
EA ID / permit
YWS00117 · 2301
Outlet location
SK3851890505 (OS grid reference) · View on Apple Maps
WFD catchment
Don from River Loxley confl to River Don Works (GB104027057412)
2024 spills / hours
25 / 46
Long-term average
20.2 spills a year (monitored since 2020)
Investigation
UWWTR investigation ongoing, Operational investigation completed
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 10 hours spilling →
Not matched in Ea Consents Database 10 10 down 60% 100%
Bardsey the Drive CSO
Overflow on sewer network
Company site name
BARDSEY THE DRIVE/CSO
EA ID / permit
YWS00210 · 27/20/0115
Outlet location
SE3668744144 (OS grid reference) · View on Apple Maps
WFD catchment
Collingham Bk Catchment (trib of Wharfe) (GB104027063970)
2024 spills / hours
15 / 38
Long-term average
11.5 spills a year (monitored since 2020)
Monitor below 90%
Comms failure / issue · Resolved - Dec
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 10 hours spilling →
Bardsey Beck 7 10 down 53% 87%
Hovingham Sewage Treatment Works
Storm tank at sewage works
Sewage works
Hovingham
Company site name
HOVINGHAM/STW
EA ID / permit
YWS00493 · 27/25/0119
Outlet location
SE6698076010 (OS grid reference) · View on Apple Maps
WFD catchment
Marrs Beck from Source to Holbeck (GB104027068340)
2024 spills / hours
35 / 277
Long-term average
13.5 spills a year (monitored since 2020)
Investigation
UWWTR investigation ongoing, Operational investigation completed
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 10 hours spilling →
Unnamed Trib of Marrs Beck 3 10 down 91% 100%
Cliff Hollins Lane CSO
Overflow on sewer network
Company site name
CLIFF HOLLINS LANE/CSO
EA ID / permit
YWS01703 · WRA8246
Outlet location
SE1816628814 (OS grid reference) · View on Apple Maps
WFD catchment
Spen Beck from Source to River Calder (GB104027062710)
2024 spills / hours
1 / 0.3
Long-term average
3.2 spills a year (monitored since 2020)
Monitor below 90%
Comms failure / issue · Resolved - Sep
Investigation
Operational investigation completed
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 10 hours spilling →
Highroyds Beck 3 10 up 200% 34%
Oakworth CSO
Overflow on sewer network
Company site name
INGROW STATION/CSO
EA ID / permit
YWS00655 · 2998
Outlet location
SE0568039770 (OS grid reference) · View on Apple Maps
WFD catchment
Worth from Bridgehouse Beck to R Aire (GB104027062891)
2024 spills / hours
10 / 8.3
Long-term average
4.2 spills a year (monitored since 2020)
Investigation
Operational investigation completed
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 9.8 hours spilling →
River Worth 5 9.8 down 50% 100%
Not matched in Ea Consents Database
Overflow on sewer network
Company site name
HARBOUR VIEW BEDALE/CSO
EA ID / permit
YWS00786 · 528
Outlet location
SE2700088059 (OS grid reference) · View on Apple Maps
WFD catchment
Bedale/Newton/Burton Bk from Rand Bk to R Swale (GB104027068910)
2024 spills / hours
20 / 21
Long-term average
16.8 spills a year (monitored since 2020)
Investigation
UWWTR investigation ongoing, Operational investigation completed
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 9.8 hours spilling →
Not matched in Ea Consents Database 15 9.8 down 25% 100%
Brook Lane CSO
Overflow on sewer network
Company site name
GOLCAR BROOK LANE/CSO
EA ID / permit
YWS01408 · WRA7462
Outlet location
SE0950015610 (OS grid reference) · View on Apple Maps
WFD catchment
River Colne from Wessenden Brook to R Holme (GB104027063330)
2024 spills / hours
2 / 0.5
Long-term average
8.0 spills a year (monitored since 2020)
Investigation
No investigation activity in reporting period
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 9.8 hours spilling →
Unnamed Trib of River Colne 14 9.8 up 600% 100%
Vesper Road CSO
Overflow on sewer network
Company site name
VESPER ROAD/CSO
EA ID / permit
YWS01832 · WRA8533
Outlet location
SE2605036637 (OS grid reference) · View on Apple Maps
WFD catchment
Aire from Gill Beck (Baildon) to Wyke Beck (GB104027063035)
2024 spills / hours
53 / 49
Long-term average
31.7 spills a year (monitored since 2020)
Investigation
Env Act (SODRP) investigation completed, UWWTR investigation completed, Operational investigation completed
Improvement
Operational improvement completed
Volume & pollution
Estimate from 9.5 hours spilling →
Culverted Trib of River Aire 21 9.5 down 60% 100%
Kirkby Road CSO
Overflow on sewer network
Company site name
KIRKBY ROAD/CSO
EA ID / permit
YWS00297 · 27/22/0082
Outlet location
SE3102570990 (OS grid reference) · View on Apple Maps
WFD catchment
Skell from River Laver to River Ure (GB104027064140)
2024 spills / hours
4 / 4.3
Long-term average
3.5 spills a year (monitored since 2020)
Monitor below 90%
Sensor failure / issue · Resolved - Nov
Investigation
Operational investigation completed
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 9.5 hours spilling →
Skell 8 9.5 up 100% 89%

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.