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
CSO at Clock Tower/Stonebridge/
Overflow on sewer network
Company site name
LOW MILL ROAD/CSO
EA ID / permit
YWS01055 · S/B/50
Outlet location
SE3180071900 (OS grid reference) · View on Apple Maps
WFD catchment
Skell from River Laver to River Ure (GB104027064140)
2024 spills / hours
1 / 0.5
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 7.3 hours spilling →
River Ure 8 7.3 up 700% 91%
Hollins Lane CSO
Overflow on sewer network
Company site name
HOLLINS MILL LANE/CSO
EA ID / permit
YWS01131 · WADC1021
Outlet location
SE0525324004 (OS grid reference) · View on Apple Maps
WFD catchment
Luddenden Brook from Source to River Calder (GB104027062770)
2024 spills / hours
15 / 11
Long-term average
6.7 spills a year (monitored since 2020)
Investigation
Operational investigation completed
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 7.3 hours spilling →
Rochdale Canal 7 7.3 down 53% 93%
Wetherby Bypass CSO
Overflow on sewer network
Company site name
WETHERBY BYPASS/CSO
EA ID / permit
YWS01201 · WADC1477
Outlet location
SE4062847685 (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
3 / 0.8
Long-term average
1.7 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 7.3 hours spilling →
River Wharfe 4 7.3 up 33% 97%
Church Lane SPS
Storm discharge at pumping station
Company site name
BAKEHOUSE LANE/CSO
EA ID / permit
YWS01957 · WRA8752
Outlet location
TA0675064220 (OS grid reference) · View on Apple Maps
WFD catchment
Lowthorpe/Kelk/Foston Bks from Source to Frodingham Beck (GB104026067101)
2024 spills / hours
67 / 730
Long-term average
18.3 spills a year (monitored since 2020)
Investigation
UWWTR investigation ongoing, Operational investigation completed
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 7.3 hours spilling →
Lowthorpe Beck 4 7.3 down 94% 100%
Brocco Bank No 2 CSO
Overflow on sewer network
Company site name
BROCCO BANK/NO 2 CSO
EA ID / permit
YWS01968 · WRA8773
Outlet location
SK3323985793 (OS grid reference) · View on Apple Maps
WFD catchment
River Porter from Source to River Sheaf (GB104027057760)
2024 spills / hours
21 / 25
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 7.3 hours spilling →
Porter Brook 8 7.3 down 62% 100%
Grosvenor Terrace CSO
Overflow on sewer network
Company site name
GROSVENOR TERRACE/CSO
EA ID / permit
YWS00466 · 27/24/0452
Outlet location
SE5960520830 (OS grid reference) · View on Apple Maps
WFD catchment
Ouse from River Nidd to Stillingfleet Beck (GB104027069593)
2024 spills / hours
10 / 5.3
Long-term average
42.2 spills a year (monitored since 2020)
Investigation
UWWTR investigation ongoing
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 7.0 hours spilling →
River Ouse 10 7.0 no change 100%
Lower Underhill CSO
Overflow on sewer network
Company site name
LOWER UNDER HILL/CSO
EA ID / permit
YWS00613 · 27/29/0118
Outlet location
NZ7782005450 (OS grid reference) · View on Apple Maps
WFD catchment
Esk from Sleddale Beck to Ruswarp (GB104027068150)
2024 spills / hours
12 / 57
Long-term average
17.7 spills a year (monitored since 2020)
Investigation
UWWTR investigation ongoing, Operational investigation completed
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 7.0 hours spilling →
Unnamed Trib of River Esk 5 7.0 down 58% 92%
Beighton STW
Overflow on sewer network
Company site name
BEIGHTON/CSO
EA ID / permit
YWS01279 · WADC709
Outlet location
SK4351684383 (OS grid reference) · View on Apple Maps
WFD catchment
Shire Brook (GB104027057773)
2024 spills / hours
3 / 3.0
Long-term average
4.7 spills a year (monitored since 2020)
Investigation
Operational investigation completed
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 7.0 hours spilling →
Shire Brook 11 7.0 up 267% 100%
Station Road Bolsover CSO
Overflow on sewer network
Company site name
STATION RD BOLSOVER/CSO
EA ID / permit
YWS01354 · WRA7030
Outlet location
SK4675470802 (OS grid reference) · View on Apple Maps
WFD catchment
Doe Lea from Source to Hawke Brook (GB104027057290)
2024 spills / hours
18 / 18
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 7.0 hours spilling →
Tributary of the River Doe Lea 6 7.0 down 67% 100%
Brow Bridge CSO
Overflow on sewer network
Company site name
BROW BRIDGE/CSO
EA ID / permit
YWS02149 · WRA9266
Outlet location
SE0964421280 (OS grid reference) · View on Apple Maps
WFD catchment
Black Brook from Source to River Calder (GB104027062570)
2024 spills / hours
21 / 18
Long-term average
18.0 spills a year (monitored since 2020)
Investigation
UWWTR investigation ongoing, Operational investigation completed
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 7.0 hours spilling →
Black Brook 8 7.0 down 62% 100%
Silver Street CSO
Overflow on sewer network
Company site name
SILVER STREET/CSO
EA ID / permit
YWS00313 · 27/22/0132
Outlet location
SE2253880845 (OS grid reference) · View on Apple Maps
WFD catchment
Ure from Thornton Steward Beck to River Skell (GB104027069461)
2024 spills / hours
16 / 13
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 6.8 hours spilling →
Tributary of River Ure 10 6.8 down 38% 100%
Greengates Lane CSO
Overflow on sewer network
Company site name
GREENGATE LANE/CSO
EA ID / permit
YWS00885 · C5604
Outlet location
SK4376084575 (OS grid reference) · View on Apple Maps
WFD catchment
Shire Brook (GB104027057773)
2024 spills / hours
8 / 7.8
Long-term average
9.0 spills a year (monitored since 2020)
Investigation
UWWTR investigation ongoing, Operational investigation completed
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 6.8 hours spilling →
Tributary of the River Rother 8 6.8 no change 100%
Chesterfield Spital Lane Sw Pmpg St
Overflow on sewer network
Company site name
SPITAL LANE/CSO
EA ID / permit
YWS01455 · WRA7662
Outlet location
SK3888070670 (OS grid reference) · View on Apple Maps
WFD catchment
Rother, Spittal Brook to Doe Lea (GB104027057771)
2024 spills / hours
20 / 17
Long-term average
16.2 spills a year (monitored since 2020)
Investigation
UWWTR investigation ongoing, Operational investigation completed
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 6.8 hours spilling →
River Rother 14 6.8 down 30% 99%
Hightown Road CSO
Overflow on sewer network
Company site name
HIGHTOWN ROAD/NO 2 CSO
EA ID / permit
YWS01566 · WRA8082
Outlet location
SE1880025090 (OS grid reference) · View on Apple Maps
WFD catchment
Spen Beck from Source to River Calder (GB104027062710)
2024 spills / hours
9 / 4.3
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 6.8 hours spilling →
Syke Beck 13 6.8 up 44% 100%
Brackenhill Park No. 2 CSO
Overflow on sewer network
Company site name
BRACKENHILL PARK/NO 2 CSO
EA ID / permit
YWS01636 · WRA8172
Outlet location
SE1377031590 (OS grid reference) · View on Apple Maps
WFD catchment
Bradford Beck (Clayton Bk to R Aire) (GB104027062862)
2024 spills / hours
1 / 0.8
Long-term average
11.7 spills a year (monitored since 2020)
Investigation
UWWTR investigation ongoing, Operational investigation completed
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 6.8 hours spilling →
Horton Beck (Culverted) 4 6.8 up 300% 100%
Dyehouse Lane CSO
Overflow on sewer network
Company site name
DYHOUSE LANE/CSO
EA ID / permit
YWS00953 · EPRFB3896AR
Outlet location
SE1499722533 (OS grid reference) · View on Apple Maps
WFD catchment
Calder from Ryburn Confluence to River Colne (GB104027062642)
2024 spills / hours
27 / 7.4
Long-term average
16.8 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 6.7 hours spilling →
River Calder 19 6.7 down 30% 100%
Cooper Bridge CSO
Overflow on sewer network
Company site name
COOPER BRIDGE/CSO
EA ID / permit
YWS00971 · EPRTP3920XR
Outlet location
SE1759920604 (OS grid reference) · View on Apple Maps
WFD catchment
Calder from Ryburn Confluence to River Colne (GB104027062642)
2024 spills / hours
3 / 1.0
Long-term average
6.2 spills a year (monitored since 2020)
Investigation
Env Act (SODRP) investigation ongoing
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 6.5 hours spilling →
River Calder 9 6.5 up 200% 100%
The Green SSO
Storm discharge at pumping station
Company site name
PICKHILL/CSO
EA ID / permit
YWS01192 · WADC1415
Outlet location
SE3464083670 (OS grid reference) · View on Apple Maps
WFD catchment
Swale from Wiske to River Ure (GB104027069591)
2024 spills / hours
23 / 65
Long-term average
16.2 spills a year (monitored since 2020)
Investigation
UWWTR investigation ongoing, Operational investigation completed
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 6.5 hours spilling →
Pickhill Beck 3 6.5 down 87% 100%
Ossett Towngate No 2 CSO
Overflow on sewer network
Company site name
OSSETT TOWNGATE/NO 2 CSO
EA ID / permit
YWS01867 · WRA8580
Outlet location
SE2873620541 (OS grid reference) · View on Apple Maps
WFD catchment
Calder from River Colne to River Chald (GB104027062631)
2024 spills / hours
12 / 8.0
Long-term average
11.8 spills a year (monitored since 2020)
Investigation
UWWTR investigation ongoing, Operational investigation completed
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 6.5 hours spilling →
Spring Mill Beck 11 6.5 down 8% 100%
Vicar Road CSO
Overflow on sewer network
Company site name
VICAR ROAD DARFIELD/CSO
EA ID / permit
YWS00032 · 1550
Outlet location
SE4178003820 (OS grid reference) · View on Apple Maps
WFD catchment
Dove from Source to River Dearne (GB104027057510)
2024 spills / hours
13 / 16
Long-term average
29.3 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 6.3 hours spilling →
Dove 13 6.3 no change 100%
Shibden Park CSO
Overflow on sewer network
Company site name
SHIBDEN PARK/CSO
EA ID / permit
YWS00748 · 3682
Outlet location
SE1089626040 (OS grid reference) · View on Apple Maps
WFD catchment
Red Beck, Source to Calder and Hebble Navigation (GB104027062720)
2024 spills / hours
4 / 2.5
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 6.3 hours spilling →
Red Beck 4 6.3 no change 100%
Aizlewood Road CSO
Overflow on sewer network
Company site name
AIZLEWOOD ROAD/NO 2 CSO
EA ID / permit
YWS01542 · WRA7991
Outlet location
SK3510985131 (OS grid reference) · View on Apple Maps
WFD catchment
River Sheaf from Source to River Porter (GB104027057750)
2024 spills / hours
12 / 8.3
Long-term average
14.5 spills a year (monitored since 2020)
Investigation
UWWTR investigation ongoing
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 6.3 hours spilling →
River Sheaf 7 6.3 down 42% 100%
Cross Hills CSO
Overflow on sewer network
Company site name
CROSS HILLS/CSO
EA ID / permit
YWS01906 · WRA8667
Outlet location
SE0077644665 (OS grid reference) · View on Apple Maps
WFD catchment
Eastburn Beck from Lothersdale Beck to River Aire (GB104027062960)
2024 spills / hours
6 / 2.3
Long-term average
3.3 spills a year (monitored since 2020)
Investigation
Operational investigation completed
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 6.3 hours spilling →
Tributary of Holme Beck 8 6.3 up 33% 99%
Gas Works Lane
Overflow on sewer network
Company site name
GAS WORKS LANE/CSO
EA ID / permit
YWS01962 · WRA8762
Outlet location
SE1092021500 (OS grid reference) · View on Apple Maps
WFD catchment
Calder from Ryburn Confluence to River Colne (GB104027062642)
2024 spills / hours
1 / 5.3
Long-term average
0.8 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 6.3 hours spilling →
River Calder 1 6.3 no change 94%
North Stainley STW
Inlet overflow at sewage works
Sewage works
North Stainley
Company site name
NORTH STAINLEY/STW
EA ID / permit
YWS00314 · 27/22/0135
Outlet location
SE2876077350 (OS grid reference) · View on Apple Maps
WFD catchment
Ure from Thornton Steward Beck to River Skell (GB104027069461)
2024 spills / hours
7 / 51
Long-term average
3.0 spills a year (monitored since 2020)
Investigation
Operational investigation completed
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 6.0 hours spilling →
North Stainley Beck 1 6.0 down 86% 100%
Foston Sewage Pumping Station
Storm discharge at pumping station
Company site name
FOSTON/CSO
EA ID / permit
YWS01215 · WADC176
Outlet location
SE6980063900 (OS grid reference) · View on Apple Maps
WFD catchment
Spittle/Bulmer/Ings Becks catch (trib of Derwent) (GB104027063580)
2024 spills / hours
6 / 8.8
Long-term average
5.0 spills a year (monitored since 2020)
Investigation
Operational investigation completed
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 6.0 hours spilling →
Spittal Beck 8 6.0 up 33% 100%
Valley Road Shipley 2 CSO
Overflow on sewer network
Company site name
VALLEY ROAD SHIPLEY/2 CSO
EA ID / permit
YWS01797 · WRA8477
Outlet location
SE1528036440 (OS grid reference) · View on Apple Maps
WFD catchment
Bradford Beck (Clayton Bk to R Aire) (GB104027062862)
2024 spills / hours
23 / 12
Long-term average
33.7 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 6.0 hours spilling →
Bradford Beck 13 6.0 down 43% 100%
Harrogate Road 298 CSO
Overflow on sewer network
Company site name
HARROGATE ROAD 298/2 CSO
EA ID / permit
YWS01900 · WRA8655
Outlet location
SE1955037670 (OS grid reference) · View on Apple Maps
WFD catchment
Aire from Gill Beck (Baildon) to Wyke Beck (GB104027063035)
2024 spills / hours
23 / 20
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 6.0 hours spilling →
Carr Beck 12 6.0 down 48% 100%
Bridlington STW
Inlet overflow at sewage works
Sewage works
Bridlington
Company site name
BRIDLINGTON/STW
EA ID / permit
YWS01453 · WRA7637
Outlet location
TA1801065600 (OS grid reference) · View on Apple Maps
WFD catchment
Yorkshire South (GB640402491000)
Bathing water
Bridlington South Beach; Wilsthorpe
2024 spills / hours
2 / 1.3
Long-term average
27.0 spills a year (monitored since 2020)
Monitor below 90%
Sensor failure / issue · Resolved - Mar
Investigation
UWWTR investigation ongoing, Operational investigation ongoing
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 5.9 hours spilling →
North Sea 27 5.9 up 1250% 87%
Holme Lane 313 CSO
Overflow on sewer network
Company site name
HOLME LANE 313/CSO
EA ID / permit
YWS00024 · 1420
Outlet location
SE1967031250 (OS grid reference) · View on Apple Maps
WFD catchment
Low/Wortley/Pudsey Bks from Source to Milshaw Beck (GB104027062830)
2024 spills / hours
11 / 8.0
Long-term average
11.2 spills a year (monitored since 2020)
Investigation
UWWTR investigation ongoing, Operational investigation ongoing
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 5.8 hours spilling →
Holme Beck 9 5.8 down 18% 100%
Upper Dunsforth CSO
Overflow on sewer network
Company site name
UPPER DUNSFORTH/CSO
EA ID / permit
YWS00705 · 3349(SS)
Outlet location
SE4467063464 (OS grid reference) · View on Apple Maps
WFD catchment
Ouse from River Ure to River Nidd (GB104027069592)
2024 spills / hours
1 / 0.5
Long-term average
1.8 spills a year (monitored since 2020)
Monitor below 90%
Comms failure / issue · Resolved - February after reporting year
Investigation
Operational investigation completed
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 5.8 hours spilling →
Caulkhill Beck 4 5.8 up 300% 75%
Firth Park Road No 2 CSO
Overflow on sewer network
Company site name
FIRTH PARK ROAD/NO 2 CSO
EA ID / permit
YWS01648 · WRA8186
Outlet location
SK3678391359 (OS grid reference) · View on Apple Maps
WFD catchment
Don from River Loxley confl to River Don Works (GB104027057412)
2024 spills / hours
6 / 2.5
Long-term average
15.2 spills a year (monitored since 2020)
Monitor below 90%
Sensor failure / issue · Resolved - Mar
Investigation
UWWTR investigation ongoing
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 5.8 hours spilling →
Firth Park Stream 12 5.8 up 100% 83%
Towngate No 2 CSO
Overflow on sewer network
Company site name
TOWNGATE/NO 2 CSO
EA ID / permit
YWS01871 · WRA8585
Outlet location
SE1548339698 (OS grid reference) · View on Apple Maps
WFD catchment
Aire (R Worth to Gill Beck) (GB104027063034)
2024 spills / hours
2 / 1.0
Long-term average
2.8 spills a year (monitored since 2020)
Monitor below 90%
Sensor failure / issue · Resolved - Aug
Investigation
Env Act (SODRP) investigation ongoing, Operational investigation completed
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 5.8 hours spilling →
Barnsley Beck 2 5.8 no change 85%
Glen Lee Lane CSO
Overflow on sewer network
Company site name
GLEN LEE LANE/CSO
EA ID / permit
YWS02009 · WRA9102
Outlet location
SE0680040270 (OS grid reference) · View on Apple Maps
WFD catchment
Worth from Bridgehouse Beck to R Aire (GB104027062891)
2024 spills / hours
4 / 1.3
Long-term average
9.3 spills a year (monitored since 2020)
Monitor below 90%
Comms failure / issue · Resolved - Jul
Investigation
No investigation activity in reporting period
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 5.8 hours spilling →
Hog Holes Beck 18 5.8 up 350% 75%
Aberford Sewage Treatment Works
Inlet overflow at sewage works
Sewage works
Aberford
Company site name
ABERFORD/STW
EA ID / permit
YWS00216 · 27/20/0134
Outlet location
SE4366037780 (OS grid reference) · View on Apple Maps
WFD catchment
Cock Beck Catchment (trib of Wharfe) (GB104027063940)
2024 spills / hours
16 / 6.5
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 5.5 hours spilling →
Tributary of Cock Beck 6 5.5 down 63% 100%
Thirsk Finkle Street No. 2 CSO
Overflow on sewer network
Company site name
THIRSK FINKLE ST/NO 2 CSO
EA ID / permit
YWS00359 · 27/23/0246
Outlet location
SE4315682119 (OS grid reference) · View on Apple Maps
WFD catchment
Cod Beck from Spital Beck to River Swale (GB104027068820)
2024 spills / hours
20 / 60
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 5.5 hours spilling →
Cod Beck 7 5.5 down 65% 100%
Scruton Wpc Works
Inlet overflow at sewage works
Sewage works
Scruton Wpc Works
Company site name
SCRUTON/STW
EA ID / permit
YWS00371 · 27/23/0276
Outlet location
SE3070092700 (OS grid reference) · View on Apple Maps
WFD catchment
Ings Goit from Source to Burneston Beck (GB104027068800)
2024 spills / hours
14 / 90
Long-term average
8.0 spills a year (monitored since 2020)
Investigation
Operational investigation completed
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 5.5 hours spilling →
Common Stell 2 5.5 down 86% 100%
Broadlands Farm No 2 CSO
Overflow on sewer network
Company site name
BROADLANDS FARM/NO 2 CSO
EA ID / permit
YWS00416 · 27/24/0250
Outlet location
SE4458760954 (OS grid reference) · View on Apple Maps
WFD catchment
River Ouse from Source to River Ure (GB104027063800)
2024 spills / hours
13 / 8.5
Long-term average
4.7 spills a year (monitored since 2020)
Investigation
Operational investigation completed
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 5.5 hours spilling →
Trib of Ouse Gill Beck 11 5.5 down 15% 100%
Milner Street CSO
Overflow on sewer network
Company site name
MILNER STREET/CSO
EA ID / permit
YWS00476 · 27/24/0463
Outlet location
SE5778851290 (OS grid reference) · View on Apple Maps
WFD catchment
Holgate Beck to Ouse (GB104027064001)
2024 spills / hours
14 / 7.0
Long-term average
5.2 spills a year (monitored since 2020)
Investigation
No investigation activity in reporting period
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 5.5 hours spilling →
Culverted Trib Holgate Beck 13 5.5 down 7% 100%
Elland Lane CSO
Overflow on sewer network
Company site name
ELLAND LANE/CSO
EA ID / permit
YWS00875 · C5059
Outlet location
SE1109421538 (OS grid reference) · View on Apple Maps
WFD catchment
Calder from Ryburn Confluence to River Colne (GB104027062642)
2024 spills / hours
5 / 3.8
Long-term average
4.2 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 5.5 hours spilling →
River Calder 2 5.5 down 60% 100%
Green Spring Avenue CSO
Overflow on sewer network
Company site name
GREENSPRING AVENUE/CSO
EA ID / permit
YWS00879 · C5340
Outlet location
SE3487501884 (OS grid reference) · View on Apple Maps
WFD catchment
Dove from Source to River Dearne (GB104027057510)
2024 spills / hours
11 / 10
Long-term average
22.5 spills a year (monitored since 2020)
Investigation
UWWTR investigation ongoing, Operational investigation completed
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 5.5 hours spilling →
Tributary of Short Wood Dike 6 5.5 down 45% 100%
Broadway Station CSO
Storm discharge at pumping station
Company site name
BEECHFIELD ROAD/CSO
EA ID / permit
YWS00945 · EPREP3225GG
Outlet location
SE6499012610 (OS grid reference) · View on Apple Maps
WFD catchment
Don from Mill Dyke to River Ouse (GB104027064243)
2024 spills / hours
32 / 135
Long-term average
20.7 spills a year (monitored since 2020)
Investigation
UWWTR investigation ongoing
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 5.5 hours spilling →
River Don 9 5.5 down 72% 100%
Holbeck Hill CSO
Overflow on sewer network
Company site name
HOLBECK HILL/CSO
EA ID / permit
YWS01130 · WADC1018
Outlet location
TA0472586858 (OS grid reference) · View on Apple Maps
WFD catchment
Yorkshire North (GB650401500004)
Bathing water
Scarborough South Bay
2024 spills / hours
6 / 2.0
Long-term average
6.3 spills a year (monitored since 2020)
Investigation
Operational investigation completed
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 5.5 hours spilling →
Holbeck Ravine (Culverted) 10 5.5 up 67% 100%
Canal Road 331 CSO
Overflow on sewer network
Company site name
CANAL ROAD 331/CSO
EA ID / permit
YWS01692 · WRA8232
Outlet location
SE1576035410 (OS grid reference) · View on Apple Maps
WFD catchment
Bradford Beck (Clayton Bk to R Aire) (GB104027062862)
2024 spills / hours
19 / 31
Long-term average
18.2 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 5.5 hours spilling →
Bradford Beck 6 5.5 down 68% 100%
Queens Road Bradford CSO
Overflow on sewer network
Company site name
QUEENS ROAD BRADFORD/CSO
EA ID / permit
YWS02055 · WRA9161
Outlet location
SE1643034890 (OS grid reference) · View on Apple Maps
WFD catchment
Bradford Beck (Clayton Bk to R Aire) (GB104027062862)
2024 spills / hours
8 / 4.3
Long-term average
13.5 spills a year (monitored since 2020)
Monitor below 90%
Comms failure / issue · Resolved - Jul
Investigation
Env Act (SODRP) investigation completed, UWWTR investigation completed, Operational investigation completed
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 5.5 hours spilling →
Bolton Beck 5 5.5 down 38% 84%
St Annes Road CSO
Overflow on sewer network
Company site name
ST ANNES ROAD/CSO
EA ID / permit
YWS01003 · NPSWQD000319
Outlet location
TA1922167340 (OS grid reference) · View on Apple Maps
WFD catchment
Yorkshire South (GB640402491000)
Bathing water
Bridlington North Beach
2024 spills / hours
13 / 10
Long-term average
12.0 spills a year (monitored since 2020)
Investigation
UWWTR investigation ongoing, Operational investigation completed
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 5.5 hours spilling →
North Sea 4 5.5 down 69% 100%
Beck Row Sewage Pumping Station
Storm discharge at pumping station
Company site name
BUGTHORPE BECK ROW/CSO
EA ID / permit
YWS00558 · 27/28/0124
Outlet location
SE7721058210 (OS grid reference) · View on Apple Maps
WFD catchment
Barlam/Skirpen Beck catch (trib of Derwent) (GB104027063510)
2024 spills / hours
0 / 0.0
Long-term average
2.2 spills a year (monitored since 2020)
Investigation
Operational investigation completed
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 5.3 hours spilling →
Bugthorpe Beck 4 5.3 up from 0 100%
Lumbrook No 2 CSO
Overflow on sewer network
Company site name
LUMBROOK/NO 2 CSO
EA ID / permit
YWS00660 · 306
Outlet location
SE1214426904 (OS grid reference) · View on Apple Maps
WFD catchment
Red Beck, Source to Calder and Hebble Navigation (GB104027062720)
2024 spills / hours
3 / 2.5
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 5.3 hours spilling →
Lumb Brook Culverted 2 5.3 down 33% 99%
Flockton Tank CSO
Overflow on sewer network
Company site name
FLOCKTON PINFOLD LANE/CSO
EA ID / permit
YWS00841 · C4236
Outlet location
SE2441514787 (OS grid reference) · View on Apple Maps
WFD catchment
Bentley Brook from Source to River Dearne (GB104027063310)
2024 spills / hours
4 / 9.0
Long-term average
4.3 spills a year (monitored since 2020)
Investigation
Operational investigation completed
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 5.3 hours spilling →
Flockton Beck 2 5.3 down 50% 94%
Park Road CSO
Overflow on sewer network
Company site name
PARK ROAD/CSO
EA ID / permit
YWS00856 · C4856
Outlet location
SE1124421795 (OS grid reference) · View on Apple Maps
WFD catchment
Calder from Ryburn Confluence to River Colne (GB104027062642)
2024 spills / hours
3 / 0.8
Long-term average
1.7 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 5.3 hours spilling →
River Calder 1 5.3 down 67% 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.