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
Kirk Lane No 1 CSO
Overflow on sewer network
Company site name
KIRK LANE/NO 1 CSO
EA ID / permit
YWS01828 · WRA8527
Outlet location
SE1956041350 (OS grid reference) · View on Apple Maps
WFD catchment
Gill Beck Guisley from Source to River Aire (GB104027062910)
2024 spills / hours
40 / 52
Long-term average
39.5 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 31 hours spilling →
Nun Royd Beck 32 31 down 20% 100%
Longfield Road
Overflow on sewer network
Company site name
LONGFIELD ROAD/CSO
EA ID / permit
YWS01954 · WRA8748
Outlet location
SD9361023960 (OS grid reference) · View on Apple Maps
WFD catchment
Walsden Water from Source to River Calder (GB104027062600)
2024 spills / hours
26 / 89
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 31 hours spilling →
Walsden Water 20 31 down 23% 100%
Godric Road CSO
Overflow on sewer network
Company site name
GODRIC ROAD/CSO
EA ID / permit
YWS02085 · WRA9191
Outlet location
SK3627093230 (OS grid reference) · View on Apple Maps
WFD catchment
Blackburn Brook from Source to River Don (GB104027057440)
2024 spills / hours
21 / 52
Long-term average
24.8 spills a year (monitored since 2020)
Investigation
UWWTR investigation ongoing, Operational investigation completed
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 31 hours spilling →
Hartley Brook Dike 16 31 down 24% 97%
Pear Tree Hollins CSO
Overflow on sewer network
Company site name
PEAR TREE HOLLINS/CSO
EA ID / permit
YWS02121 · WRA9232
Outlet location
SE0547323854 (OS grid reference) · View on Apple Maps
WFD catchment
Calder from Colden Water to Ryburn Confluence (GB104027062641)
2024 spills / hours
37 / 19
Long-term average
17.7 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 31 hours spilling →
River Calder 66 31 up 78% 100%
Pontefract Road Barnsley CSO
Overflow on sewer network
Company site name
PONTEFRACT RD BARNSLY/CSO
EA ID / permit
YWS01410 · WRA7468
Outlet location
SE3564006240 (OS grid reference) · View on Apple Maps
WFD catchment
River Dearne from Cawthorne Dyke to Lundwood STW (GB104027063171)
2024 spills / hours
42 / 70
Long-term average
35.7 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 31 hours spilling →
Sough Dyke 27 31 down 36% 100%
Old Mill Lane CSO
Overflow on sewer network
Company site name
OLD MILL LANE/CSO
EA ID / permit
YWS02100 · WRA9206
Outlet location
SE3505407236 (OS grid reference) · View on Apple Maps
WFD catchment
River Dearne from Cawthorne Dyke to Lundwood STW (GB104027063171)
2024 spills / hours
13 / 17
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 31 hours spilling →
River Dearne 17 31 up 31% 100%
Kings Mill Lane No 2 CSO
Overflow on sewer network
Company site name
KINGS MILL LANE/NO 2 CSO
EA ID / permit
YWS00120 · 2325
Outlet location
SE1512216255 (OS grid reference) · View on Apple Maps
WFD catchment
River Colne from River Holme to River Calder (GB104027062550)
2024 spills / hours
9 / 16
Long-term average
5.7 spills a year (monitored since 2020)
Investigation
Env Act (SODRP) investigation ongoing, Operational investigation completed
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 30 hours spilling →
River Colne 9 30 no change 100%
Blossomgate CSO
Overflow on sewer network
Company site name
BLOSSOMGATE/CSO
EA ID / permit
YWS00295 · 27/22/0080
Outlet location
SE3102570990 (OS grid reference) · View on Apple Maps
WFD catchment
Skell from River Laver to River Ure (GB104027064140)
2024 spills / hours
34 / 118
Long-term average
33.8 spills a year (monitored since 2020)
Monitor below 90%
Sensor failure / issue · Resolved - January after reporting year
Investigation
UWWTR investigation ongoing, Operational investigation completed
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 30 hours spilling →
Skell 11 30 down 68% 69%
Greenhill Park CSO
Overflow on sewer network
Company site name
GREENHILL PARK/CSO
EA ID / permit
YWS00751 · 3715
Outlet location
SK3502080340 (OS grid reference) · View on Apple Maps
WFD catchment
Drone from Source to River Whitting (GB104027057710)
2024 spills / hours
4 / 10
Long-term average
2.7 spills a year (monitored since 2020)
Investigation
Operational investigation completed
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 30 hours spilling →
Tributary of River Drone 3 30 down 25% 100%
Kendray Doncaster Road CSO
Overflow on sewer network
Company site name
KENDRAY DONCASTER RD/CSO
EA ID / permit
YWS00858 · C4872
Outlet location
SE3726206236 (OS grid reference) · View on Apple Maps
WFD catchment
River Dearne from Cawthorne Dyke to Lundwood STW (GB104027063171)
2024 spills / hours
14 / 25
Long-term average
17.3 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 30 hours spilling →
River Dearne 16 30 up 14% 100%
Springmill Street 2 CSO
Overflow on sewer network
Company site name
SPRINGMILL STREET/2 CSO
EA ID / permit
YWS01651 · WRA8189
Outlet location
SE1633931987 (OS grid reference) · View on Apple Maps
WFD catchment
Bradford Beck (Clayton Bk to R Aire) (GB104027062862)
2024 spills / hours
10 / 5.8
Long-term average
14.0 spills a year (monitored since 2020)
High-spill reason (company)
Not Applicable - Ongoing Investigation
Investigation
Env Act (SODRP) investigation completed, UWWTR investigation completed, Operational investigation ongoing
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 30 hours spilling →
Clvrt Trib of Bowling Beck 31 30 up 210% 99%
Longley Park CSO
Overflow on sewer network
Company site name
LONGLEY PARK/CSO
EA ID / permit
YWS01916 · WRA8682
Outlet location
SE1505216179 (OS grid reference) · View on Apple Maps
WFD catchment
River Colne from River Holme to River Calder (GB104027062550)
2024 spills / hours
12 / 16
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 30 hours spilling →
River Colne 9 30 down 25% 100%
Bolton on Dearne STW
Inlet overflow at sewage works
Sewage works
Bolton On Dearne
Company site name
BOLTON ON DEARNE/STW/6XDWF OVERFLOW
EA ID / permit
YWS00700 · 3331
Outlet location
SE4584902021 (OS grid reference) · View on Apple Maps
WFD catchment
River Dearne Darfield STW to River Don (GB104027063173)
2024 spills / hours
11 / 12
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 30 hours spilling →
River Dearne 11 30 no change 100%
Brockholes Lane CSO
Overflow on sewer network
Company site name
BROCKHOLES LANE/CSO
EA ID / permit
YWS01292 · WADC770
Outlet location
SE1509210976 (OS grid reference) · View on Apple Maps
WFD catchment
Holme from New Mill Dike to R Colne (GB104027063301)
2024 spills / hours
0 / 0.0
Long-term average
19.3 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 30 hours spilling →
Culv Trib of River Holme 9 30 up from 0 99%
Kippax Storm Tanks
Overflow on sewer network
Company site name
KIPPAX TANKS/CSO
EA ID / permit
YWS01433 · WRA7538
Outlet location
SE4101029710 (OS grid reference) · View on Apple Maps
WFD catchment
Lin Dike from Source to River Aire (GB104027062810)
2024 spills / hours
0 / 0.0
Long-term average
2.7 spills a year (monitored since 2020)
Investigation
Operational investigation completed
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 30 hours spilling →
Hollins Beck 12 30 up from 0 100%
Vicar Lane 2 CSO
Overflow on sewer network
Company site name
VICAR LANE/NO 2 CSO
EA ID / permit
YWS01726 · WRA8317
Outlet location
SE1672033010 (OS grid reference) · View on Apple Maps
WFD catchment
Bradford Beck (Clayton Bk to R Aire) (GB104027062862)
2024 spills / hours
26 / 32
Long-term average
32.8 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 30 hours spilling →
East Brook (Culverted) 33 30 up 27% 100%
Lumb Clough CSO
Overflow on sewer network
Company site name
LUMB CLOUGH/CSO
EA ID / permit
YWS02178 · WRA9316
Outlet location
SE0445021285 (OS grid reference) · View on Apple Maps
WFD catchment
River Ryburn from Booth Dean Clough to R Calder (GB104027062580)
2024 spills / hours
10 / 17
Long-term average
14.8 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 30 hours spilling →
River Ryburn 8 30 down 20% 99%
Leyburn Road CSO
Overflow on sewer network
Company site name
LEYBURN ROAD/CSO
EA ID / permit
YWS00317 · 27/22/0161
Outlet location
SE2258081010 (OS grid reference) · View on Apple Maps
WFD catchment
Ure from Thornton Steward Beck to River Skell (GB104027069461)
2024 spills / hours
19 / 22
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 29 hours spilling →
Tributary of River Ure 30 29 up 58% 100%
Headingley Station CSO
Overflow on sewer network
Company site name
HEADINGLEY STATION/CSO
EA ID / permit
YWS01831 · WRA8532
Outlet location
SE2674035798 (OS grid reference) · View on Apple Maps
WFD catchment
Aire from Gill Beck (Baildon) to Wyke Beck (GB104027063035)
2024 spills / hours
29 / 29
Long-term average
30.8 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 29 hours spilling →
Culverted Trib of River Aire 21 29 down 28% 100%
Green Lane 206 CSO
Overflow on sewer network
Company site name
GREEN LANE 206/CSO
EA ID / permit
YWS01691 · WRA8231
Outlet location
SE1028032370 (OS grid reference) · View on Apple Maps
WFD catchment
Clayton Beck (Source to Bradford Bk) (GB104027062861)
2024 spills / hours
14 / 197
Long-term average
11.8 spills a year (monitored since 2020)
Investigation
UWWTR investigation ongoing, Operational investigation ongoing
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 29 hours spilling →
Pinch Beck 3 29 down 79% 100%
Warren Lane SPS
Overflow on sewer network
Company site name
WARREN LANE OTLEY/CSO
EA ID / permit
YWS00202 · 27/20/0079
Outlet location
SE2621044980 (OS grid reference) · View on Apple Maps
WFD catchment
Wharfe from R Washburn to Collingham Beck (GB104027064254)
2024 spills / hours
10 / 24
Long-term average
17.3 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 29 hours spilling →
Trib of the Wharfe 8 29 down 20% 99%
Fernlea Grove CSO
Overflow on sewer network
Company site name
FERNLEA GROVE/CSO
EA ID / permit
YWS01427 · WRA7519
Outlet location
SE1018315131 (OS grid reference) · View on Apple Maps
WFD catchment
River Colne from Wessenden Brook to R Holme (GB104027063330)
2024 spills / hours
21 / 22
Long-term average
22.7 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 29 hours spilling →
River Colne 16 29 down 24% 100%
Rawcliffe Bridge SPS
Storm discharge at pumping station
Company site name
RAWCLIFFE BRIDGE/CSO
EA ID / permit
YWS02195 · YWUCD1/81
Outlet location
SE6977821126 (OS grid reference) · View on Apple Maps
WFD catchment
Don from Mill Dyke to River Ouse (GB104027064243)
2024 spills / hours
66 / 374
Long-term average
32.3 spills a year (monitored since 2020)
Investigation
UWWTR investigation ongoing, Operational investigation completed
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 29 hours spilling →
Langham Drain 26 29 down 61% 100%
Draughton Wpc Works
Overflow on sewer network
Company site name
DRAUGHTON PRIORS LANE/CSO
EA ID / permit
YWS00188 · 27/19/0082
Outlet location
SE0460053100 (OS grid reference) · View on Apple Maps
WFD catchment
Hambleton Beck/Ings Bk Catch (trib of Wharfe) (GB104027064030)
Bathing water
Wharfe at Cromwheel, Ilkley
2024 spills / hours
15 / 24
Long-term average
6.0 spills a year (monitored since 2020)
Monitor below 90%
Comms failure / issue · Resolved - Aug
Investigation
Operational investigation completed, Bathing Water and/or Shellfish Water investigation ongoing
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 28 hours spilling →
Ings Beck 7 28 down 53% 67%
Greenhill Park Pavillion CSO
Overflow on sewer network
Company site name
GREENHILL PARK PAV/CSO
EA ID / permit
YWS00750 · 3714
Outlet location
SK3442080320 (OS grid reference) · View on Apple Maps
WFD catchment
Drone from Source to River Whitting (GB104027057710)
2024 spills / hours
7 / 16
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 28 hours spilling →
Tributary of River Drone 3 28 down 57% 100%
Station Rd Staveley CSO
Overflow on sewer network
Company site name
STATION RD STAVELEY/CSO
EA ID / permit
YWS01010 · NPSWQD005798
Outlet location
SK4134275315 (OS grid reference) · View on Apple Maps
WFD catchment
Rother, Spittal Brook to Doe Lea (GB104027057771)
2024 spills / hours
2 / 5.5
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 28 hours spilling →
Trough Brook Trib of R.Rother 5 28 up 150% 99%
Yws Unknown Sites Default
Overflow on sewer network
Company site name
QUEENS ROAD SHEFFIELD/CSO
EA ID / permit
YWS01057 · EPR/RB3154TM
Outlet location
SK3580086409 (OS grid reference) · View on Apple Maps
WFD catchment
River Sheaf from Source to River Porter (GB104027057750)
2024 spills / hours
22 / 31
Long-term average
19.5 spills a year (monitored since 2020)
Investigation
UWWTR investigation ongoing
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 28 hours spilling →
Varies With Outlet 14 28 down 36% 100%
Yorkshire Water Services Ltd, Deten
Overflow on sewer network
Company site name
BROOKHOUSE HILL/CSO
EA ID / permit
YWS01339 · WRA6878
Outlet location
SK3046085030 (OS grid reference) · View on Apple Maps
WFD catchment
River Porter from Source to River Sheaf (GB104027057760)
2024 spills / hours
8 / 20
Long-term average
20.7 spills a year (monitored since 2020)
Investigation
UWWTR investigation ongoing, Operational investigation completed
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 28 hours spilling →
Porter Brook 4 28 down 50% 93%
Smithy Mills Lane CSO
Overflow on sewer network
Company site name
SMITHY MILLS LANE/2 CSO
EA ID / permit
YWS01386 · WRA7399
Outlet location
SE2798038390 (OS grid reference) · View on Apple Maps
WFD catchment
Meanwood Beck from Source to River Aire (GB104027062900)
2024 spills / hours
28 / 32
Long-term average
24.3 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 28 hours spilling →
Adel Beck 22 28 down 21% 100%
Dale Street CSO
Overflow on sewer network
Company site name
DALE STREET/CSO
EA ID / permit
YWS01889 · WRA8632
Outlet location
SE1100716576 (OS grid reference) · View on Apple Maps
WFD catchment
River Colne from Wessenden Brook to R Holme (GB104027063330)
2024 spills / hours
15 / 26
Long-term average
12.8 spills a year (monitored since 2020)
Investigation
UWWTR investigation ongoing, Operational investigation completed
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 28 hours spilling →
Longwood Brook 17 28 up 13% 99%
Filey Waste Water Treatment Works
Overflow on sewer network
Company site name
FILEY TRANSFER/CSO
EA ID / permit
YWS00511 · 27/27/0051
Outlet location
TA12050808010 (OS grid reference)
WFD catchment
Yorkshire North (GB650401500004)
Bathing water
Filey
2024 spills / hours
16 / 61
Long-term average
8.6 spills a year (monitored since 2020)
Investigation
Operational investigation completed
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 28 hours spilling →
North Sea 9 28 down 44% 100%
Chapel Lane No 2 CSO
Overflow on sewer network
Company site name
CHAPEL LANE/NO 2 CSO
EA ID / permit
YWS00130 · 2396
Outlet location
SE2199123854 (OS grid reference) · View on Apple Maps
WFD catchment
Spen Beck from Source to River Calder (GB104027062710)
2024 spills / hours
15 / 21
Long-term average
24.5 spills a year (monitored since 2020)
Investigation
UWWTR investigation ongoing, Operational investigation completed
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 28 hours spilling →
Trib of River Spen 26 28 up 73% 100%
Field 4200 CSO
Overflow on sewer network
Company site name
FIELD 4200 WHIXLEY/CSO
EA ID / permit
YWS00271 · 27/21/0255
Outlet location
SE4443057980 (OS grid reference) · View on Apple Maps
WFD catchment
River Nidd from Crimple Beck to River Ouse (GB104027068292)
2024 spills / hours
20 / 21
Long-term average
16.2 spills a year (monitored since 2020)
Monitor below 90%
Power failure / issue · Resolved - Sep
Investigation
UWWTR investigation ongoing, Operational investigation completed
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 28 hours spilling →
Whixley Cut 8 28 down 60% 87%
Old Gate CSO
Overflow on sewer network
Company site name
OLD GATE/CSO
EA ID / permit
YWS01162 · WADC1201
Outlet location
SD9920427292 (OS grid reference) · View on Apple Maps
WFD catchment
Hebden Water from Widdop Beck to R Calder (GB104027062731)
2024 spills / hours
25 / 66
Long-term average
24.0 spills a year (monitored since 2020)
Investigation
UWWTR investigation ongoing
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 28 hours spilling →
Hebden Water 12 28 down 52% 93%
Shetcliffe Lane No 2 CSO
Overflow on sewer network
Company site name
SHETCLIFFE LANE/NO 2 CSO
EA ID / permit
YWS01702 · WRA8245
Outlet location
SE1845029710 (OS grid reference) · View on Apple Maps
WFD catchment
Spen Beck from Source to River Calder (GB104027062710)
2024 spills / hours
31 / 72
Long-term average
26.8 spills a year (monitored since 2020)
Investigation
UWWTR investigation ongoing
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 28 hours spilling →
High Royds Beck 21 28 down 32% 91%
Lower Edge Road CSO
Overflow on sewer network
Company site name
LOWER EDGE ROAD/CSO
EA ID / permit
YWS01963 · WRA8764
Outlet location
SE1109021530 (OS grid reference) · View on Apple Maps
WFD catchment
Calder from Ryburn Confluence to River Colne (GB104027062642)
2024 spills / hours
21 / 29
Long-term average
21.5 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 28 hours spilling →
River Calder 11 28 down 48% 100%
Snaith STW
Storm tank at sewage works
Sewage works
Snaith
Company site name
SNAITH/STW
EA ID / permit
YWS00071 · 1943
Outlet location
SE6353022350 (OS grid reference) · View on Apple Maps
WFD catchment
Aire from Fryston Beck to River Ouse (GB104027063037)
2024 spills / hours
2 / 12
Long-term average
2.2 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 27 hours spilling →
River Aire 3 27 up 50% 100%
All Saints Church CSO
Overflow on sewer network
Company site name
ALL SAINTS CHURCH/CSO
EA ID / permit
YWS00644 · 2889
Outlet location
SE4259125912 (OS grid reference) · View on Apple Maps
WFD catchment
Aire from Wyke Beck to Fryston Beck (GB104027063036)
2024 spills / hours
9 / 4.0
Long-term average
10.8 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 27 hours spilling →
River Aire 22 27 up 144% 100%
Town Street Sheffield CSO
Overflow on sewer network
Company site name
FERRARS ROAD/CSO
EA ID / permit
YWS00802 · 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
26 / 40
Long-term average
21.8 spills a year (monitored since 2020)
Investigation
UWWTR investigation ongoing, Operational investigation completed
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 27 hours spilling →
Don 17 27 down 35% 100%
Shannon Street CSO
Overflow on sewer network
Company site name
SHANNON STREET/CSO
EA ID / permit
YWS01085 · WA5854
Outlet location
SE3077033320 (OS grid reference) · View on Apple Maps
WFD catchment
Meanwood Beck from Source to River Aire (GB104027062900)
2024 spills / hours
58 / 107
Long-term average
29.8 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 27 hours spilling →
Lady Beck (Culverted) 22 27 down 62% 100%
Mitchell Street CSO
Overflow on sewer network
Company site name
MITCHELL STREET/CSO
EA ID / permit
YWS02008 · WRA9101
Outlet location
SD9233725503 (OS grid reference) · View on Apple Maps
WFD catchment
Calder from Source to Walsden Water (GB104027062660)
2024 spills / hours
7 / 14
Long-term average
4.0 spills a year (monitored since 2020)
Investigation
No investigation activity in reporting period
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 27 hours spilling →
River Calder 6 27 down 14% 100%
Low Moor Lane SPS
Storm discharge at pumping station
Company site name
LOW MOOR LANE/CSO
EA ID / permit
YWS00305 · 27/22/0096
Outlet location
SE3342760308 (OS grid reference) · View on Apple Maps
WFD catchment
Tutt Catchment (Trib of Ure) (GB104027064100)
2024 spills / hours
13 / 82
Long-term average
34.8 spills a year (monitored since 2020)
Investigation
UWWTR investigation ongoing, Operational investigation completed
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 27 hours spilling →
Jumwell Beck 8 27 down 38% 100%
Sherburn Wpc Works
Storm tank at sewage works
Sewage works
Sherburn Wpc Works
Company site name
SHERBURN/STW
EA ID / permit
YWS00530 · 27/27/0105
Outlet location
SE9550077600 (OS grid reference) · View on Apple Maps
WFD catchment
Sherburn Beck catchment (trib of Derwent) (GB104027067800)
2024 spills / hours
6 / 17
Long-term average
12.2 spills a year (monitored since 2020)
Investigation
UWWTR investigation ongoing, Operational investigation ongoing
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 27 hours spilling →
Sherburn Beck 14 27 up 133% 100%
Altofts Church Road CSO
Overflow on sewer network
Company site name
ALTOFTS CHURCH ROAD/CSO
EA ID / permit
YWS01607 · WRA8136
Outlet location
SE3934024470 (OS grid reference) · View on Apple Maps
WFD catchment
Choke Churl Bk from Source to River Calder (GB104027062590)
2024 spills / hours
19 / 24
Long-term average
64.8 spills a year (monitored since 2020)
Investigation
UWWTR investigation ongoing
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 27 hours spilling →
Choke Churl Beck 16 27 down 16% 100%
Killinghall No 2 CSO
Overflow on sewer network
Company site name
KILLINGHALL/NO 2 CSO
EA ID / permit
YWS00248 · 27/21/0173
Outlet location
SE2852059160 (OS grid reference) · View on Apple Maps
WFD catchment
Nidd from Burstwith to Oak Beck (GB104027068296)
2024 spills / hours
19 / 63
Long-term average
18.0 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 27 hours spilling →
Unnamed Trib of Nidd 11 27 down 42% 100%
Beck Bottom CSO
Overflow on sewer network
Company site name
BECK BOTTOM/CSO
EA ID / permit
YWS00622 · 2754
Outlet location
SE1947536872 (OS grid reference) · View on Apple Maps
WFD catchment
Aire from Gill Beck (Baildon) to Wyke Beck (GB104027063035)
2024 spills / hours
38 / 61
Long-term average
30.7 spills a year (monitored since 2020)
Monitor below 90%
Comms failure / issue · Resolved - Feb
Investigation
Env Act (SODRP) investigation ongoing, UWWTR investigation ongoing
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 27 hours spilling →
Carr Beck 16 27 down 58% 85%
Butterthwaite Road CSO
Overflow on sewer network
Company site name
BUTTERTHWAITE ROAD/CSO
EA ID / permit
YWS00838 · C4163
Outlet location
SK3708993703 (OS grid reference) · View on Apple Maps
WFD catchment
Blackburn Brook from Source to River Don (GB104027057440)
2024 spills / hours
17 / 22
Long-term average
32.3 spills a year (monitored since 2020)
Investigation
UWWTR investigation ongoing, Operational investigation completed
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 27 hours spilling →
Blackburn Brook 17 27 no change 100%
Sowerby Bridge Sewage Pumping Stn
Overflow on sewer network
Company site name
SOWERBY BRIDGE/CSO
EA ID / permit
YWS01385 · WRA7389
Outlet location
SE0720023670 (OS grid reference) · View on Apple Maps
WFD catchment
Calder from Ryburn Confluence to River Colne (GB104027062642)
2024 spills / hours
2 / 2.3
Long-term average
22.3 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 27 hours spilling →
River Calder 8 27 up 300% 100%
Allerton Bywater CSO
Overflow on sewer network
Company site name
ALLERTON BYWATER/CSO
EA ID / permit
YWS01430 · WRA7536
Outlet location
SE4226227568 (OS grid reference) · View on Apple Maps
WFD catchment
Lin Dike from Source to River Aire (GB104027062810)
2024 spills / hours
3 / 11
Long-term average
3.7 spills a year (monitored since 2020)
Investigation
Env Act (SODRP) investigation ongoing, Operational investigation completed
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 27 hours spilling →
Trib of River Aire 5 27 up 67% 100%
Marton Sewage Treatment Works
Inlet overflow at sewage works
Sewage works
Marton
Company site name
MARTON/STW
EA ID / permit
YWS00501 · 27/25/0132
Outlet location
SE7348082630 (OS grid reference) · View on Apple Maps
WFD catchment
Seven from Catter Beck to River Rye (GB104027068440)
2024 spills / hours
11 / 64
Long-term average
15.3 spills a year (monitored since 2020)
Investigation
UWWTR investigation ongoing, Operational investigation completed
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 27 hours spilling →
River Seven 2 27 down 82% 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.