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
Worth Way Sun Street CSO
Overflow on sewer network
Company site name
WORTH WAY SUN STREET/CSO
EA ID / permit
YWS02010 · WRA9103
Outlet location
SE0618440632 (OS grid reference) · View on Apple Maps
WFD catchment
Worth from Bridgehouse Beck to R Aire (GB104027062891)
2024 spills / hours
25 / 26
Long-term average
34.8 spills a year (monitored since 2020)
Investigation
UWWTR investigation ongoing
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 23 hours spilling →
River Worth 26 23 up 4% 100%
Dronfield Tip CSO
Overflow on sewer network
Company site name
DRONFIELD TIP/CSO
EA ID / permit
YWS02140 · WRA9253
Outlet location
SK3629978045 (OS grid reference) · View on Apple Maps
WFD catchment
Drone from Source to River Whitting (GB104027057710)
2024 spills / hours
28 / 37
Long-term average
18.5 spills a year (monitored since 2020)
Investigation
UWWTR investigation ongoing, Operational investigation ongoing
Improvement
Operational improvement ongoing
Volume & pollution
Estimate from 23 hours spilling →
River Drone 9 23 down 68% 97%
Malton Holmesfield SPS
Storm discharge at pumping station
Company site name
MALTON HOLMESFLD/CSO
EA ID / permit
YWS00532 · 27/27/0109
Outlet location
SE7935071574 (OS grid reference) · View on Apple Maps
WFD catchment
Derwent from River Rye to Kirkham (GB104027068313)
2024 spills / hours
88 / 16
Long-term average
79.0 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 23 hours spilling →
River Derwent 88 23 no change 100%
Glenoit Mill CSO
Overflow on sewer network
Company site name
GLENOIT MILL/CSO
EA ID / permit
YWS00013 · 1126
Outlet location
SE3725228962 (OS grid reference) · View on Apple Maps
WFD catchment
Aire from Wyke Beck to Fryston Beck (GB104027063036)
2024 spills / hours
17 / 33
Long-term average
16.5 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 23 hours spilling →
Tributary of the River Aire 14 23 down 18% 96%
Cowick & Snaith CSO'S
Overflow on sewer network
Company site name
SNAITH MARSH/CSO
EA ID / permit
YWS00053 · 1732(T)
Outlet location
SE6438022340 (OS grid reference) · View on Apple Maps
WFD catchment
Aire from Fryston Beck to River Ouse (GB104027063037)
2024 spills / hours
16 / 19
Long-term average
15.8 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 23 hours spilling →
Aire 15 23 down 6% 100%
Station Road Brimington CSO
Overflow on sewer network
Company site name
WINDMILL WAY/CSO
EA ID / permit
YWS01099 · WA6195
Outlet location
SK3922073960 (OS grid reference) · View on Apple Maps
WFD catchment
Rother, Spittal Brook to Doe Lea (GB104027057771)
2024 spills / hours
8 / 17
Long-term average
7.3 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 23 hours spilling →
River Rother 11 23 up 38% 100%
Wigginton Road SSO
Overflow on sewer network
Company site name
WIGGINGTON ROAD/CSO
EA ID / permit
YWS01203 · WADC1489
Outlet location
SE6034052920 (OS grid reference) · View on Apple Maps
WFD catchment
River Foss from the Syke to the River Ouse (GB104027063520)
2024 spills / hours
13 / 20
Long-term average
6.0 spills a year (monitored since 2020)
Investigation
No investigation activity in reporting period
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 23 hours spilling →
River Foss 9 23 down 31% 100%
Old Goole SPS
Overflow on sewer network
Company site name
OLD GOOLE/CSO
EA ID / permit
YWS01440 · WRA7555
Outlet location
SE7469422825 (OS grid reference) · View on Apple Maps
WFD catchment
Aire from River Calder to River Ouse (GB104027062760)
2024 spills / hours
23 / 23
Long-term average
39.5 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 23 hours spilling →
Dutch River (River Don) 22 23 down 4% 100%
Meadow Crescent CSO
Overflow on sewer network
Company site name
MEADOWS CRESCENT/CSO
EA ID / permit
YWS00720 · 3436
Outlet location
SE3689511481 (OS grid reference) · View on Apple Maps
WFD catchment
Cudworth Dyke from Source to River Dearne (GB104027063230)
2024 spills / hours
18 / 23
Long-term average
15.0 spills a year (monitored since 2020)
Investigation
UWWTR investigation ongoing, Operational investigation completed
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 22 hours spilling →
Tributary of Pools Dike 15 22 down 17% 100%
Netherfield Road CSO
Storm discharge at pumping station
Company site name
NETHERFIELD ROAD/CSO
EA ID / permit
YWS01121 · WA6455
Outlet location
SE1821643180 (OS grid reference) · View on Apple Maps
WFD catchment
Wharfe from Hundwith Beck to River Washburn (GB104027064258)
2024 spills / hours
17 / 31
Long-term average
6.2 spills a year (monitored since 2020)
Investigation
Operational investigation completed, Bathing Water and/or Shellfish Water investigation ongoing
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 22 hours spilling →
Mire Beck via SWS 10 22 down 41% 100%
Wyther Lane No.2 CSO
Overflow on sewer network
Company site name
WYTHER LANE/NO 2 CSO
EA ID / permit
YWS01928 · WRA8705
Outlet location
SE2599435173 (OS grid reference) · View on Apple Maps
WFD catchment
Aire from Gill Beck (Baildon) to Wyke Beck (GB104027063035)
2024 spills / hours
39 / 29
Long-term average
36.8 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 22 hours spilling →
River Aire 33 22 down 15% 100%
Hunsworth Lane No 2 CSO
Overflow on sewer network
Company site name
HUNSWORTH LANE/NO 2 CSO
EA ID / permit
YWS00020 · 1323
Outlet location
SE1941928477 (OS grid reference) · View on Apple Maps
WFD catchment
Spen Beck from Source to River Calder (GB104027062710)
2024 spills / hours
30 / 100
Long-term average
16.5 spills a year (monitored since 2020)
Investigation
UWWTR investigation ongoing, Operational investigation completed
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 22 hours spilling →
Hunsworth Upper Lane Beck 10 22 down 67% 100%
Eggborough STW
Storm tank at sewage works
Sewage works
Eggborough
Company site name
EGGBOROUGH/STW
EA ID / permit
YWS00042 · 1653
Outlet location
SE5857524533 (OS grid reference) · View on Apple Maps
WFD catchment
Aire from Fryston Beck to River Ouse (GB104027063037)
2024 spills / hours
15 / 117
Long-term average
21.7 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 22 hours spilling →
Ings and Tetherings Drain 3 22 down 80% 100%
Archer Road No 2 CSO
Overflow on sewer network
Company site name
ARCHER ROAD/NO 2 CSO
EA ID / permit
YWS01391 · WRA7405
Outlet location
SK3399883477 (OS grid reference) · View on Apple Maps
WFD catchment
River Sheaf from Source to River Porter (GB104027057750)
2024 spills / hours
5 / 7.8
Long-term average
1.8 spills a year (monitored since 2020)
Investigation
Operational investigation completed
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 22 hours spilling →
Graves Park Beck 6 22 up 20% 100%
Harrogate Hydro Csos
Overflow on sewer network
Company site name
HYDE PARK ROAD/CSO
EA ID / permit
YWS00270 · 27/21/0216
Outlet location
SE2995055220 (OS grid reference) · View on Apple Maps
WFD catchment
Oak Beck Catchment (Trib of Nidd) (GB104027063760)
2024 spills / hours
15 / 9.0
Long-term average
9.3 spills a year (monitored since 2020)
Investigation
Env Act (SODRP) investigation ongoing, Operational investigation completed, Bathing Water and/or Shellfish Water investigation completed
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 22 hours spilling →
Oak Beck and Coppice Beck 27 22 up 80% 99%
Normanby Sewage Pumping Station
Storm discharge at pumping station
Company site name
NORMANBY/CSO
EA ID / permit
YWS00500 · 27/25/0131
Outlet location
SE7354081500 (OS grid reference) · View on Apple Maps
WFD catchment
Seven from Catter Beck to River Rye (GB104027068440)
2024 spills / hours
18 / 170
Long-term average
3.7 spills a year (monitored since 2020)
Investigation
Operational investigation completed
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 22 hours spilling →
Unnamed Trib of River Seven 2 22 down 89% 100%
Yws Unknown Sites Default
Overflow on sewer network
Company site name
STATION ROAD W22M/CSO
EA ID / permit
YWS00685 · 3253
Outlet location
SK3562096860 (OS grid reference) · View on Apple Maps
WFD catchment
Blackburn Brook from Source to River Don (GB104027057440)
2024 spills / hours
10 / 24
Long-term average
7.7 spills a year (monitored since 2020)
Investigation
Operational investigation completed
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 22 hours spilling →
Blackburn Brook 9 22 down 10% 100%
Staxton Village SPS
Storm discharge at pumping station
Company site name
STAXTON VILLAGE/CSO
EA ID / permit
YWS01249 · WADC406
Outlet location
TA0270079400 (OS grid reference) · View on Apple Maps
WFD catchment
Hertford from Source to River Derwent (GB104027067811)
2024 spills / hours
25 / 74
Long-term average
24.2 spills a year (monitored since 2020)
Investigation
UWWTR investigation ongoing, Operational investigation completed
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 22 hours spilling →
Ditch 18 22 down 28% 100%
Ovenden Road CSO
Overflow on sewer network
Company site name
OVENDEN ROAD/CSO
EA ID / permit
YWS01436 · WRA7547
Outlet location
SE0865526236 (OS grid reference) · View on Apple Maps
WFD catchment
Hebble Brook from Source to River Calder (GB104027062780)
2024 spills / hours
16 / 21
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 22 hours spilling →
Ovenden Brook (Culverted) 13 22 down 19% 100%
South Street Keighley CSO
Overflow on sewer network
Company site name
SOUTH STREET KEIGHLEY/CSO
EA ID / permit
YWS01591 · WRA8110
Outlet location
SE0592040223 (OS grid reference) · View on Apple Maps
WFD catchment
Worth from Bridgehouse Beck to R Aire (GB104027062891)
2024 spills / hours
27 / 27
Long-term average
40.7 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 22 hours spilling →
River Worth via Knowle Pk Spng 25 22 down 7% 100%
Mount Street No 2 CSO
Overflow on sewer network
Company site name
MOUNT STREET/NO 2 CSO
EA ID / permit
YWS01705 · WRA8248
Outlet location
SE1734032810 (OS grid reference) · View on Apple Maps
WFD catchment
Bradford Beck (Clayton Bk to R Aire) (GB104027062862)
2024 spills / hours
24 / 36
Long-term average
24.8 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 22 hours spilling →
East Brook (Culverted) 18 22 down 25% 100%
Eckington CSO
Overflow on sewer network
Company site name
ECKINGTON/CSO
EA ID / permit
YWS00846 · C4277
Outlet location
SK4376079910 (OS grid reference) · View on Apple Maps
WFD catchment
The Moss from Source to River Rother (GB104027057720)
2024 spills / hours
20 / 32
Long-term average
35.2 spills a year (monitored since 2020)
Investigation
UWWTR investigation ongoing, Operational investigation completed
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 21 hours spilling →
River Moss 22 21 up 10% 100%
Birds Royd Lane CSO
Overflow on sewer network
Company site name
BIRDS ROYD LANE/NO 2 CSO
EA ID / permit
YWS01757 · WRA8428
Outlet location
SE1472622552 (OS grid reference) · View on Apple Maps
WFD catchment
Calder from Ryburn Confluence to River Colne (GB104027062642)
2024 spills / hours
55 / 56
Long-term average
44.0 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 21 hours spilling →
River Calder 27 21 down 51% 99%
Esplanade Whitby CSO
Overflow on sewer network
Company site name
ESPLANADE WHITBY/CSO
EA ID / permit
YWS00603 · 27/29/0088
Outlet location
NZ8986111380 (OS grid reference) · View on Apple Maps
WFD catchment
ESK (E) (GB510402703400)
Bathing water
Whitby
2024 spills / hours
19 / 30
Long-term average
49.0 spills a year (monitored since 2020)
Investigation
UWWTR investigation completed
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 21 hours spilling →
River Esk 22 21 up 16% 100%
Dimlington Road CSO
Overflow on sewer network
Company site name
DIMLINGTON ROAD/CSO
EA ID / permit
YWS01306 · WADC886
Outlet location
TA3987518815 (OS grid reference) · View on Apple Maps
WFD catchment
Not part of a WFD catchment
2024 spills / hours
20 / 88
Long-term average
43.2 spills a year (monitored since 2020)
Investigation
UWWTR investigation ongoing, Operational investigation completed
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 21 hours spilling →
Culv Trib of Easington Drain 8 21 down 60% 100%
Queen Street Bridge CSO
Overflow on sewer network
Company site name
QUEEN STREET BRIDGE/CSO
EA ID / permit
YWS00467 · 27/24/0453
Outlet location
SE5995051914 (OS grid reference) · View on Apple Maps
WFD catchment
Ouse from River Nidd to Stillingfleet Beck (GB104027069593)
2024 spills / hours
4 / 19
Long-term average
21.7 spills a year (monitored since 2020)
Monitor below 90%
Capital / maintenance works affect EDM operation · Resolved - Feb
Investigation
UWWTR investigation ongoing
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 21 hours spilling →
River Ouse 23 21 up 475% 84%
Edmunds Road CSO
Overflow on sewer network
Company site name
EDMUNDS ROAD/CSO
EA ID / permit
YWS00868 · C4961
Outlet location
SE3611003520 (OS grid reference) · View on Apple Maps
WFD catchment
Dove from Source to River Dearne (GB104027057510)
2024 spills / hours
15 / 40
Long-term average
33.8 spills a year (monitored since 2020)
Monitor below 90%
Comms failure / issue · Resolved - Apr
Investigation
Env Act (SODRP) investigation completed, UWWTR investigation completed, Operational investigation completed
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 21 hours spilling →
River Dove 8 21 down 47% 89%
Pontefract Road CSO
Overflow on sewer network
Company site name
PONTEFRACT RD BRAMPTN/CSO
EA ID / permit
YWS02202 · YWUCD2/117
Outlet location
SE4195102137 (OS grid reference) · View on Apple Maps
WFD catchment
Knoll Beck from Source to River Dearne (GB104027057470)
2024 spills / hours
15 / 21
Long-term average
15.5 spills a year (monitored since 2020)
Investigation
UWWTR investigation ongoing, Operational investigation completed
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 21 hours spilling →
Knoll Beck 16 21 up 7% 100%
Shipton Road Sewage Pumping Station
Storm discharge at pumping station
Company site name
SHIPTON ROAD/NO 2 CSO
EA ID / permit
YWS00080 · 2075
Outlet location
SE5800054400 (OS grid reference) · View on Apple Maps
WFD catchment
Ouse from River Nidd to Stillingfleet Beck (GB104027069593)
2024 spills / hours
10 / 26
Long-term average
2.8 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 21 hours spilling →
Blue Beck, Tributary of Ouse 5 21 down 50% 100%
West Busk Lane No 2 CSO
Overflow on sewer network
Company site name
WEST BUSK LANE/NO 2 CSO
EA ID / permit
YWS00206 · 27/20/0101
Outlet location
SE1902745345 (OS grid reference) · View on Apple Maps
WFD catchment
Wharfe from Hundwith Beck to River Washburn (GB104027064258)
2024 spills / hours
21 / 17
Long-term average
27.5 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 21 hours spilling →
River Wharfe via Public Sewer 19 21 down 10% 100%
Carr Forge Road CSO
Overflow on sewer network
Company site name
CARR FORGE ROAD/CSO
EA ID / permit
YWS01876 · WRA8594
Outlet location
SK4210283911 (OS grid reference) · View on Apple Maps
WFD catchment
Shire Brook (GB104027057773)
2024 spills / hours
13 / 9.5
Long-term average
14.3 spills a year (monitored since 2020)
Investigation
UWWTR investigation ongoing, Operational investigation completed
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 21 hours spilling →
Tributary of Shire Brook 23 21 up 77% 100%
Bootham Hospital CSO
Overflow on sewer network
Company site name
BOOTHAM HOSPITAL/CSO
EA ID / permit
YWS00465 · 27/24/0451
Outlet location
SE5960520830 (OS grid reference) · View on Apple Maps
WFD catchment
Ouse from River Nidd to Stillingfleet Beck (GB104027069593)
2024 spills / hours
13 / 20
Long-term average
9.8 spills a year (monitored since 2020)
Investigation
No investigation activity in reporting period
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 20 hours spilling →
River Ouse 13 20 no change 100%
Regent Drive CSO
Overflow on sewer network
Company site name
REGENT DRIVE/NO 2 CSO
EA ID / permit
YWS00137 · 2438
Outlet location
SD9996052110 (OS grid reference) · View on Apple Maps
WFD catchment
Eller Beck from Haw Beck to River Aire (GB104027063020)
2024 spills / hours
9 / 19
Long-term average
3.2 spills a year (monitored since 2020)
Investigation
Operational investigation completed
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 20 hours spilling →
Trib of Skibeden Beck 5 20 down 44% 100%
Johnny Moores Hill CSO
Overflow on sewer network
Company site name
JOHNNY MOORES HILL/CSO
EA ID / permit
YWS00787 · 54
Outlet location
SE1271016000 (OS grid reference) · View on Apple Maps
WFD catchment
River Colne from Wessenden Brook to R Holme (GB104027063330)
2024 spills / hours
65 / 114
Long-term average
65.8 spills a year (monitored since 2020)
Investigation
UWWTR investigation ongoing, Operational investigation completed
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 20 hours spilling →
River Colne 23 20 down 65% 100%
Layerthorpe Bridge CSO
Overflow on sewer network
Company site name
LAYERTHORPE BRIDGE/CSO
EA ID / permit
YWS00455 · 27/24/0431
Outlet location
SE6086252080 (OS grid reference) · View on Apple Maps
WFD catchment
River Foss from the Syke to the River Ouse (GB104027063520)
2024 spills / hours
34 / 55
Long-term average
61.2 spills a year (monitored since 2020)
Investigation
UWWTR investigation ongoing, Operational investigation completed
Improvement
Operational improvement completed
Volume & pollution
Estimate from 20 hours spilling →
River Foss 15 20 down 56% 100%
Wood Street Dewsbury CSO
Overflow on sewer network
Company site name
WOOD STREET DEWSBURY/CSO
EA ID / permit
YWS00689 · 3281
Outlet location
SE2459021990 (OS grid reference) · View on Apple Maps
WFD catchment
Batley Beck from Source to River Calder (GB104027062670)
2024 spills / hours
1 / 0.3
Long-term average
2.3 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 20 hours spilling →
Dewsbury Beck 11 20 up 1000% 100%
Town Street Sheffield CSO
Overflow on sewer network
Company site name
SHEFFIELD RD TINSLEY/CSO
EA ID / permit
YWS00800 · 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
24 / 31
Long-term average
23.2 spills a year (monitored since 2020)
Investigation
UWWTR investigation ongoing
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 20 hours spilling →
Don 13 20 down 46% 100%
Stonebridgegate Fire Station CSO
Overflow on sewer network
Company site name
STONEBRIDGEGTE FR STN/CSO
EA ID / permit
YWS00962 · EPRTP3825GH
Outlet location
SE3160371564 (OS grid reference) · View on Apple Maps
WFD catchment
Skell from River Laver to River Ure (GB104027064140)
2024 spills / hours
54 / 241
Long-term average
38.0 spills a year (monitored since 2020)
Investigation
UWWTR investigation ongoing
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 20 hours spilling →
Skittergate Gutter 15 20 down 72% 100%
Flamborough North SPS
Storm discharge at pumping station
Company site name
FLAMBOROUGH NTH/CSO
EA ID / permit
YWS01342 · WRA6887
Outlet location
TA2362071800 (OS grid reference) · View on Apple Maps
WFD catchment
Not part of a WFD catchment
2024 spills / hours
4 / 16
Long-term average
5.3 spills a year (monitored since 2020)
Investigation
Operational investigation completed
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 20 hours spilling →
Moor Farm Drain 5 20 up 25% 100%
Blackmoor Road No.2 CSO
Overflow on sewer network
Company site name
BLACKMOOR ROAD/NO 2 CSO
EA ID / permit
YWS01949 · WRA8742
Outlet location
SE2879139065 (OS grid reference) · View on Apple Maps
WFD catchment
Meanwood Beck from Source to River Aire (GB104027062900)
2024 spills / hours
23 / 28
Long-term average
27.8 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 20 hours spilling →
Adel Beck 21 20 down 9% 100%
Greys Bridge CSO
Overflow on sewer network
Company site name
GREYS BRIDGE/CSO
EA ID / permit
YWS02143 · WRA9258
Outlet location
SK4914099890 (OS grid reference) · View on Apple Maps
WFD catchment
Don from Greasborough Dyke to River Dearne (GB104027057452)
2024 spills / hours
3 / 3.0
Long-term average
1.7 spills a year (monitored since 2020)
Investigation
Env Act (SODRP) investigation ongoing
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 20 hours spilling →
River Don 3 20 no change 100%
Grimethorpe STW
Inlet overflow at sewage works
Sewage works
Grimethorpe
Company site name
GRIMETHORPE/STW/6XDWF OVERFLOW
EA ID / permit
YWS00104 · 2246
Outlet location
SE4025009630 (OS grid reference) · View on Apple Maps
WFD catchment
Grimethorpe Dike from Source to River Dearne (GB104027063180)
2024 spills / hours
5 / 8.8
Long-term average
6.0 spills a year (monitored since 2020)
Investigation
Operational investigation completed
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 20 hours spilling →
Shafton Beck 4 20 down 20% 100%
Wheldale Farm CSO
Overflow on sewer network
Company site name
WHELDALE FARM/CSO
EA ID / permit
YWS01329 · WRA6661
Outlet location
SE4486826721 (OS grid reference) · View on Apple Maps
WFD catchment
Aire from Wyke Beck to Fryston Beck (GB104027063036)
2024 spills / hours
6 / 1.8
Long-term average
9.5 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 20 hours spilling →
River Aire 12 20 up 100% 99%
Shiptonthorpe SPS
Storm discharge at pumping station
Company site name
SHIPTONTHORPE/CSO
EA ID / permit
YWS01492 · WRA7905
Outlet location
SE8523043010 (OS grid reference) · View on Apple Maps
WFD catchment
Foulness from Source to Black Beck (South) (GB104026066720)
2024 spills / hours
11 / 36
Long-term average
6.0 spills a year (monitored since 2020)
Investigation
No investigation activity in reporting period
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 20 hours spilling →
River Foulness Or Shipton Beck 6 20 down 45% 100%
Clifton Lord Street CSO
Overflow on sewer network
Company site name
CLIFTON LORD STREET/CSO
EA ID / permit
YWS02082 · WRA9188
Outlet location
SK4496494269 (OS grid reference) · View on Apple Maps
WFD catchment
Don from Greasborough Dyke to River Dearne (GB104027057452)
2024 spills / hours
22 / 29
Long-term average
24.0 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 20 hours spilling →
Herringthorpe Beck 15 20 down 32% 100%
Kirklington Wastewater T-Ment Works
Inlet overflow at sewage works
Sewage works
Kirklington Wastewater T Ment Works
Company site name
KIRKLINGTON/STW/PRELIMINARY TREATMENT-STW/3XDWF OVERFLOW
EA ID / permit
YWS00364 · 27/23/0263
Outlet location
SE3177181611 (OS grid reference) · View on Apple Maps
WFD catchment
Ings Goit from Source to Burneston Beck (GB104027068800)
2024 spills / hours
20 / 64
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 20 hours spilling →
Healam Beck 7 20 down 65% 100%
Brecksfield No 2 CSO
Overflow on sewer network
Company site name
BRECKSFIELD/NO 2 CSO
EA ID / permit
YWS00425 · 27/24/0303
Outlet location
SE5738556364 (OS grid reference) · View on Apple Maps
WFD catchment
Ouse from River Nidd to Stillingfleet Beck (GB104027069593)
2024 spills / hours
5 / 22
Long-term average
8.0 spills a year (monitored since 2020)
Monitor below 90%
Sensor failure / issue · Scheduled
Investigation
Env Act (SODRP) investigation completed, UWWTR investigation completed, Operational investigation completed
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 20 hours spilling →
Burtree Dam 6 20 up 20% 55%
Barlow Sewage Treatment Works
Inlet overflow at sewage works
Sewage works
Barlow
Company site name
SELBY BARLOW/NO 2 STW
EA ID / permit
YWS00437 · 27/24/0368
Outlet location
SE6480028270 (OS grid reference) · View on Apple Maps
WFD catchment
Ouse from R Wharfe to Upper Humber (GB104027064270)
2024 spills / hours
17 / 159
Long-term average
23.5 spills a year (monitored since 2020)
Investigation
UWWTR investigation ongoing, Operational investigation completed
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 20 hours spilling →
Lendall Carr Dyke 9 20 down 47% 100%
The Weres Sewage Pumping Station
Storm discharge at pumping station
Company site name
THE WERES/NO 2 CSO
EA ID / permit
YWS00555 · 27/28/0118
Outlet location
SE7085039900 (OS grid reference) · View on Apple Maps
WFD catchment
River Derwent from Elvington Beck to River Ouse (GB104027068311)
2024 spills / hours
60 / 329
Long-term average
25.7 spills a year (monitored since 2020)
Investigation
UWWTR investigation ongoing, Operational investigation completed
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 20 hours spilling →
The Weres Pond 4 20 down 93% 98%
Stainsacre Industrial Estate
Storm discharge at pumping station
Company site name
FAIRFIELD WAY/CSO
EA ID / permit
YWS00586 · 27/29/0056
Outlet location
NZ9092009510 (OS grid reference) · View on Apple Maps
WFD catchment
Not part of a WFD catchment
2024 spills / hours
20 / 26
Long-term average
15.2 spills a year (monitored since 2020)
Investigation
UWWTR investigation ongoing, Operational investigation completed
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 20 hours spilling →
Spital Beck 12 20 down 40% 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.