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
Ibbot Royd CSO
Overflow on sewer network
Company site name
IBBOTROYD/CSO
EA ID / permit
YWS01138 · WADC1040
Outlet location
SD9997827919 (OS grid reference) · View on Apple Maps
WFD catchment
Hebden Water from Widdop Beck to R Calder (GB104027062731)
2024 spills / hours
7 / 14
Long-term average
6.8 spills a year (monitored since 2020)
Investigation
No investigation activity in reporting period
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 9.5 hours spilling →
Trib of Ibbot Royd Clough 2 9.5 down 71% 100%
Nanny Marr Road No. 2 CSO
Overflow on sewer network
Company site name
EDDERTHORPE LANE/NO 2 CSO
EA ID / permit
YWS01564 · WRA8080
Outlet location
SE4178005210 (OS grid reference) · View on Apple Maps
WFD catchment
Dearne from Lundwood to River Dove (GB104027063172)
2024 spills / hours
15 / 16
Long-term average
18.5 spills a year (monitored since 2020)
Investigation
UWWTR investigation ongoing, Operational investigation completed
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 9.5 hours spilling →
Trib of River Dearne 16 9.5 up 7% 100%
Bradford Beck 2 CSO
Overflow on sewer network
Company site name
BRADFORD BECK/NO 2 CSO
EA ID / permit
YWS01801 · WRA8482
Outlet location
SE1493137046 (OS grid reference) · View on Apple Maps
WFD catchment
Bradford Beck (Clayton Bk to R Aire) (GB104027062862)
2024 spills / hours
13 / 17
Long-term average
14.7 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 9.5 hours spilling →
Bradford Beck 8 9.5 down 38% 100%
Dronfield Mill Lane CSO
Overflow on sewer network
Company site name
DRONFIELD MILL LANE/CSO
EA ID / permit
YWS02139 · WRA9252
Outlet location
SK3587078120 (OS grid reference) · View on Apple Maps
WFD catchment
Drone from Source to River Whitting (GB104027057710)
2024 spills / hours
30 / 39
Long-term average
27.8 spills a year (monitored since 2020)
Investigation
UWWTR investigation ongoing, Operational investigation completed
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 9.5 hours spilling →
River Drone 7 9.5 down 77% 100%
Upgang Lane SPS
Storm discharge at pumping station
Company site name
UPGANG LANE/NO 2 CSO
EA ID / permit
YWS00587 · 27/29/0057
Outlet location
NZ8815011900 (OS grid reference) · View on Apple Maps
WFD catchment
Not part of a WFD catchment
Bathing water
Whitby
2024 spills / hours
9 / 19
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 9.4 hours spilling →
Upgang Beck 3 9.4 down 67% 100%
Dole Street No. 2 CSO
Overflow on sewer network
Company site name
DOLE STREET/NO 2 CSO
EA ID / permit
YWS01594 · WRA8123
Outlet location
SE1009032420 (OS grid reference) · View on Apple Maps
WFD catchment
Clayton Beck (Source to Bradford Bk) (GB104027062861)
2024 spills / hours
14 / 14
Long-term average
17.5 spills a year (monitored since 2020)
Monitor below 90%
Sensor failure / issue · Resolved - Oct
Investigation
UWWTR investigation ongoing
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 9.3 hours spilling →
Pinch Beck 6 9.3 down 57% 89%
Woodhall Road No 2 CSO
Overflow on sewer network
Company site name
WOODHALL ROAD/NO 2 CSO
EA ID / permit
YWS01649 · WRA8187
Outlet location
SE1932034850 (OS grid reference) · View on Apple Maps
WFD catchment
Aire from Gill Beck (Baildon) to Wyke Beck (GB104027063035)
2024 spills / hours
17 / 15
Long-term average
20.8 spills a year (monitored since 2020)
Investigation
UWWTR investigation ongoing, Operational investigation completed
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 9.3 hours spilling →
Fagley Beck 18 9.3 up 6% 100%
Lucy Avenue CSO
Overflow on sewer network
Company site name
LUCY AVENUE/CSO
EA ID / permit
YWS00004 · 1033
Outlet location
SE3446033870 (OS grid reference) · View on Apple Maps
WFD catchment
Wyke Beck from Source to River Aire (GB104027062880)
2024 spills / hours
10 / 6.3
Long-term average
4.5 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 9.0 hours spilling →
Deane Dike 11 9.0 up 10% 100%
Church End SPS
Storm discharge at pumping station
Company site name
SHERIFF HUTTON/CSO
EA ID / permit
YWS00552 · 27/28/0112
Outlet location
SE6589066410 (OS grid reference) · View on Apple Maps
WFD catchment
Spittle/Bulmer/Ings Becks catch (trib of Derwent) (GB104027063580)
2024 spills / hours
6 / 3.5
Long-term average
6.5 spills a year (monitored since 2020)
Investigation
No investigation activity in reporting period
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 9.0 hours spilling →
Trib of Bulmer Beck 5 9.0 down 17% 100%
Pledwick CSO
Overflow on sewer network
Company site name
PLEDWICK/CSO
EA ID / permit
YWS00819 · 987
Outlet location
SE3339916866 (OS grid reference) · View on Apple Maps
WFD catchment
Owler Beck from Source to River Calder (GB104027062530)
2024 spills / hours
19 / 8.5
Long-term average
14.0 spills a year (monitored since 2020)
Investigation
UWWTR investigation ongoing, Operational investigation completed
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 9.0 hours spilling →
Owler Beck via Surface Wtr Sw 12 9.0 down 37% 100%
Harlington Road CSO
Overflow on sewer network
Company site name
HARLINGTON ROAD/CSO
EA ID / permit
YWS00935 · EPRCB3598AN
Outlet location
SE4908401345 (OS grid reference) · View on Apple Maps
WFD catchment
River Dearne Darfield STW to River Don (GB104027063173)
2024 spills / hours
21 / 17
Long-term average
7.3 spills a year (monitored since 2020)
Investigation
No investigation activity in reporting period
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 9.0 hours spilling →
River Dearne 15 9.0 down 29% 100%
Bower Grn/Chestnut St/Myrtle St/
Overflow on sewer network
Company site name
CHESTNUT STREET/CSO
EA ID / permit
YWS01697 · WRA8241
Outlet location
SE1734032810 (OS grid reference) · View on Apple Maps
WFD catchment
Bradford Beck (Clayton Bk to R Aire) (GB104027062862)
2024 spills / hours
8 / 7.0
Long-term average
32.7 spills a year (monitored since 2020)
Monitor below 90%
Comms failure / issue · Resolved - Mar
Investigation
Env Act (SODRP) investigation completed, UWWTR investigation completed, Operational investigation ongoing
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 9.0 hours spilling →
East Brook (Culverted) 16 9.0 up 100% 77%
Riverdale Road No 2 CSO
Overflow on sewer network
Company site name
RIVERDALE ROAD/NO 2 CSO
EA ID / permit
YWS01786 · WRA8462
Outlet location
SK3234985928 (OS grid reference) · View on Apple Maps
WFD catchment
River Porter from Source to River Sheaf (GB104027057760)
2024 spills / hours
16 / 12
Long-term average
18.2 spills a year (monitored since 2020)
Investigation
UWWTR investigation ongoing, Operational investigation completed
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 9.0 hours spilling →
Oak Brook 10 9.0 down 38% 100%
Esholt Lane 291 CSO
Overflow on sewer network
Company site name
ESHOLT LANE 291/CSO
EA ID / permit
YWS01808 · WRA8497
Outlet location
SE1792840126 (OS grid reference) · View on Apple Maps
WFD catchment
Aire from Gill Beck (Baildon) to Wyke Beck (GB104027063035)
2024 spills / hours
6 / 10
Long-term average
10.0 spills a year (monitored since 2020)
Investigation
Env Act (SODRP) investigation completed, UWWTR investigation completed, Operational investigation completed
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 9.0 hours spilling →
River Aire 6 9.0 no change 100%
Spring Bank CSO
Overflow on sewer network
Company site name
SPRING BANK/CSO
EA ID / permit
YWS01896 · WRA8642
Outlet location
SE0585139951 (OS grid reference) · View on Apple Maps
WFD catchment
Worth from Bridgehouse Beck to R Aire (GB104027062891)
2024 spills / hours
4 / 4.5
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 9.0 hours spilling →
Gingerbread Clough 2 9.0 down 50% 100%
Honley Newtown No 2 CSO
Overflow on sewer network
Company site name
HONLEY NEWTOWN/NO 2 CSO
EA ID / permit
YWS01911 · WRA8678
Outlet location
SE1400212134 (OS grid reference) · View on Apple Maps
WFD catchment
Holme from New Mill Dike to R Colne (GB104027063301)
2024 spills / hours
23 / 11
Long-term average
22.2 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 9.0 hours spilling →
River Holme 18 9.0 down 22% 100%
Bramham Low Way CSO
Overflow on sewer network
Company site name
BRAMHAM LOW WAY/CSO
EA ID / permit
YWS00807 · 86
Outlet location
SE4257842985 (OS grid reference) · View on Apple Maps
WFD catchment
Thorner Beck Catchment (trib of Wharfe) (GB104027063950)
2024 spills / hours
29 / 43
Long-term average
14.8 spills a year (monitored since 2020)
Investigation
Env Act (SODRP) investigation ongoing, Operational investigation completed, Bathing Water and/or Shellfish Water investigation ongoing
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 8.8 hours spilling →
Carr Beck 9 8.8 down 69% 100%
Swallows Nest CSO
Overflow on sewer network
Company site name
SWALLOWS NEST/CSO
EA ID / permit
YWS00965 · EPRTP3826XU
Outlet location
SE2833218035 (OS grid reference) · View on Apple Maps
WFD catchment
Calder from River Colne to River Chald (GB104027062631)
2024 spills / hours
0 / 0.0
Long-term average
2.6 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 8.8 hours spilling →
Trib of River Calder 1 8.8 up from 0 46%
Swinton Pumping Station
Storm discharge at pumping station
Company site name
SWINTON LOWFIELD/CSO
EA ID / permit
YWS01114 · WA6392
Outlet location
SE7621073740 (OS grid reference) · View on Apple Maps
WFD catchment
River Rye from River Seven to Costa Beck (GB104027068320)
2024 spills / hours
7 / 29
Long-term average
11.0 spills a year (monitored since 2020)
Investigation
UWWTR investigation ongoing, Operational investigation ongoing
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 8.8 hours spilling →
Trib River Rye 2 8.8 down 71% 100%
Ramsden Mill CSO
Overflow on sewer network
Company site name
RAMSDEN MILL/CSO
EA ID / permit
YWS01409 · WRA7463
Outlet location
SE1036215442 (OS grid reference) · View on Apple Maps
WFD catchment
River Colne from Wessenden Brook to R Holme (GB104027063330)
2024 spills / hours
8 / 2.8
Long-term average
37.7 spills a year (monitored since 2020)
Investigation
UWWTR investigation ongoing, Operational investigation completed
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 8.8 hours spilling →
River Colne 4 8.8 down 50% 100%
Claremont 271 CSO
Overflow on sewer network
Company site name
CLAREMONT 271/CSO
EA ID / permit
YWS01854 · WRA8560
Outlet location
SE2386636949 (OS grid reference) · View on Apple Maps
WFD catchment
Aire from Gill Beck (Baildon) to Wyke Beck (GB104027063035)
2024 spills / hours
12 / 13
Long-term average
24.5 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 8.8 hours spilling →
River Aire 13 8.8 up 8% 96%
Broomgrove Road CSO
Overflow on sewer network
Company site name
BROOMGROVE ROAD/CSO
EA ID / permit
YWS02017 · WRA9112
Outlet location
SK3401085930 (OS grid reference) · View on Apple Maps
WFD catchment
River Porter from Source to River Sheaf (GB104027057760)
2024 spills / hours
9 / 3.5
Long-term average
17.2 spills a year (monitored since 2020)
Investigation
UWWTR investigation ongoing, Operational investigation completed
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 8.8 hours spilling →
Porter Brook 11 8.8 up 22% 100%
East Cottingwith SPS
Storm discharge at pumping station
Company site name
EAST COTTINGWITH/CSO
EA ID / permit
YWS02191 · YWUCD1/32
Outlet location
SE7024542575 (OS grid reference) · View on Apple Maps
WFD catchment
Pocklington Beck from Bielby Bk to River Derwent (GB104027063440)
2024 spills / hours
7 / 22
Long-term average
4.4 spills a year (monitored since 2020)
Investigation
No investigation activity in reporting period
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 8.8 hours spilling →
Ditch to Beck 4 8.8 down 43% 100%
Cherry Burton SPS
Overflow on sewer network
Company site name
CANADA DRIVE/CSO
EA ID / permit
YWS01494 · WRA7922
Outlet location
SE9919042320 (OS grid reference) · View on Apple Maps
WFD catchment
High Hunsley to Arram Area (GB104026066841)
2024 spills / hours
33 / 539
Long-term average
16.8 spills a year (monitored since 2020)
Investigation
UWWTR investigation ongoing, Operational investigation ongoing
Improvement
Operational improvement ongoing
Volume & pollution
Estimate from 8.5 hours spilling →
North Drain (Culverted) 5 8.5 down 85% 100%
Powell Road CSO
Overflow on sewer network
Company site name
POWELL ROAD/NO 2 CSO
EA ID / permit
YWS01798 · WRA8479
Outlet location
SE1564035930 (OS grid reference) · View on Apple Maps
WFD catchment
Bradford Beck (Clayton Bk to R Aire) (GB104027062862)
2024 spills / hours
11 / 4.5
Long-term average
18.0 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 8.5 hours spilling →
Trap Sike 13 8.5 up 18% 100%
Pottery Lane West CSO
Overflow on sewer network
Company site name
POTTERY LANE WEST/CSO
EA ID / permit
YWS01936 · WRA8725
Outlet location
SK3866673093 (OS grid reference) · View on Apple Maps
WFD catchment
Rother, Spittal Brook to Doe Lea (GB104027057771)
2024 spills / hours
18 / 15
Long-term average
20.2 spills a year (monitored since 2020)
Investigation
UWWTR investigation ongoing, Operational investigation completed
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 8.5 hours spilling →
River Rother 15 8.5 down 17% 100%
Thornes Road Junction CSO
Overflow on sewer network
Company site name
THORNES ROAD JUNCT/CSO
EA ID / permit
YWS02095 · WRA9201
Outlet location
SE3202019510 (OS grid reference) · View on Apple Maps
WFD catchment
Calder from River Colne to River Chald (GB104027062631)
2024 spills / hours
0 / 0.0
Long-term average
0.7 spills a year (monitored since 2020)
Monitor below 90%
Comms failure / issue · Resolved - January after reporting year
Investigation
Operational investigation completed
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 8.5 hours spilling →
Gill Syke 4 8.5 up from 0 83%
St Mary'S Road CSO
Overflow on sewer network
Company site name
ST MARYS ROAD/CSO
EA ID / permit
YWS02032 · WRA9135
Outlet location
SK3584386563 (OS grid reference) · View on Apple Maps
WFD catchment
River Sheaf from Source to River Porter (GB104027057750)
2024 spills / hours
11 / 16
Long-term average
11.8 spills a year (monitored since 2020)
Investigation
UWWTR investigation ongoing
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 8.3 hours spilling →
River Sheaf 5 8.3 down 55% 100%
Normanton Spring CSO
Overflow on sewer network
Company site name
NORMANTON SPRING/CSO
EA ID / permit
YWS02113 · WRA9220
Outlet location
SK4045084374 (OS grid reference) · View on Apple Maps
WFD catchment
Shire Brook (GB104027057773)
2024 spills / hours
39 / 47
Long-term average
37.8 spills a year (monitored since 2020)
Investigation
UWWTR investigation ongoing, Operational investigation completed
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 8.3 hours spilling →
Shire Brook 10 8.3 down 74% 94%
Hepworth Road CSO
Overflow on sewer network
Company site name
HEPWORTH ROAD/CSO
EA ID / permit
YWS02154 · WRA9272
Outlet location
SE1651407104 (OS grid reference) · View on Apple Maps
WFD catchment
New Mill Dike from Source to River Holme (GB104027057610)
2024 spills / hours
9 / 6.8
Long-term average
10.2 spills a year (monitored since 2020)
Investigation
UWWTR investigation ongoing, Operational investigation completed
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 8.3 hours spilling →
Rakes Dyke 6 8.3 down 33% 100%
Devonshire Crescent CSO
Overflow on sewer network
Company site name
DEVONSHIRE CRESCENT/CSO
EA ID / permit
YWS00006 · 1068
Outlet location
SE3255738196 (OS grid reference) · View on Apple Maps
WFD catchment
Wyke Beck from Source to River Aire (GB104027062880)
2024 spills / hours
18 / 12
Long-term average
15.5 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 8.0 hours spilling →
Fox Wood Beck 14 8.0 down 22% 100%
Copley Village SPS
Storm discharge at pumping station
Company site name
COPLEY VILLAGE/NO 2 SPS
EA ID / permit
YWS00089 · 2170
Outlet location
SE0846622376 (OS grid reference) · View on Apple Maps
WFD catchment
Calder from Ryburn Confluence to River Colne (GB104027062642)
2024 spills / hours
1 / 0.3
Long-term average
1.3 spills a year (monitored since 2020)
Investigation
Env Act (SODRP) investigation ongoing
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 8.0 hours spilling →
River Calder 1 8.0 no change 100%
Curlew Drive CSO
Overflow on sewer network
Company site name
CURLEW DRIVE/CSO
EA ID / permit
YWS00537 · 27/27/0134
Outlet location
TA0300583590 (OS grid reference) · View on Apple Maps
WFD catchment
Seamer Drain from Source to River Hertford (GB104027067880)
2024 spills / hours
0 / 0.0
Long-term average
0.8 spills a year (monitored since 2020)
Monitor below 90%
Comms failure / issue · Resolved - May
Investigation
Operational investigation completed
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 8.0 hours spilling →
Tributary of Black Dike 5 8.0 up from 0 60%
Stourton Sewage Pumping Station
Storm discharge at pumping station
Company site name
STOURTON/CSO
EA ID / permit
YWS01490 · WRA7900
Outlet location
SE3338530236 (OS grid reference) · View on Apple Maps
WFD catchment
Aire from Gill Beck (Baildon) to Wyke Beck (GB104027063035)
2024 spills / hours
14 / 44
Long-term average
12.0 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 8.0 hours spilling →
Stourton Beck 6 8.0 down 57% 100%
Newgate CSO
Overflow on sewer network
Company site name
NEWGATE/CSO
EA ID / permit
YWS02130 · WRA9242
Outlet location
SE2012019550 (OS grid reference) · View on Apple Maps
WFD catchment
Calder from River Colne to River Chald (GB104027062631)
2024 spills / hours
0 / 0.0
Long-term average
2.0 spills a year (monitored since 2020)
Investigation
No investigation activity in reporting period
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 8.0 hours spilling →
River Calder 1 8.0 up from 0 100%
Gale Lane CSO
Overflow on sewer network
Company site name
GALE LANE/NO 2 CSO
EA ID / permit
YWS00495 · 27/25/0121
Outlet location
SE6570084010 (OS grid reference) · View on Apple Maps
WFD catchment
Walmouth Beck from Source to River Riccal (GB104027068210)
2024 spills / hours
1 / 0.3
Long-term average
14.8 spills a year (monitored since 2020)
Monitor below 90%
Comms failure / issue · Resolved - February after reporting year
Investigation
UWWTR investigation ongoing, Operational investigation completed
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 7.8 hours spilling →
Syke Cut via A Public Sewer 12 7.8 up 1100% 71%
Catch Bar CSO
Overflow on sewer network
Company site name
CATCH BAR/CSO
EA ID / permit
YWS01555 · WRA8022
Outlet location
SE2206008240 (OS grid reference) · View on Apple Maps
WFD catchment
Dearne from Source to Bentley Brook (GB104027063220)
2024 spills / hours
9 / 13
Long-term average
5.7 spills a year (monitored since 2020)
Investigation
Operational investigation completed
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 7.8 hours spilling →
River Dearne 4 7.8 down 56% 98%
Kinsley Wakefield Road CSO
Overflow on sewer network
Company site name
KINSLEY WAKEFIELD RD/CSO
EA ID / permit
YWS01737 · WRA8375
Outlet location
SE4169814797 (OS grid reference) · View on Apple Maps
WFD catchment
Hoyle Mill Stream from Source to River Went (GB104027063320)
2024 spills / hours
9 / 9.8
Long-term average
11.5 spills a year (monitored since 2020)
Investigation
UWWTR investigation ongoing, Operational investigation completed
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 7.8 hours spilling →
Tributary of River Went 5 7.8 down 44% 100%
Meanwood Park CSO
Overflow on sewer network
Company site name
MEANWOOD PARK/CSO
EA ID / permit
YWS02047 · WRA9151
Outlet location
SE2790738053 (OS grid reference) · View on Apple Maps
WFD catchment
Meanwood Beck from Source to River Aire (GB104027062900)
2024 spills / hours
21 / 15
Long-term average
32.0 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 7.8 hours spilling →
Meanwood Beck 12 7.8 down 43% 99%
Cleckheaton Road CSO
Overflow on sewer network
Company site name
CLECKHEATON ROAD/CSO
EA ID / permit
YWS02058 · WRA9164
Outlet location
SE1594029160 (OS grid reference) · View on Apple Maps
WFD catchment
Spen Beck from Source to River Calder (GB104027062710)
2024 spills / hours
17 / 8.8
Long-term average
11.3 spills a year (monitored since 2023)
Investigation
Operational investigation completed
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 7.8 hours spilling →
Tributary of Low Moor Beck 17 7.8 no change 100%
Lane Hackings Green CSO
Overflow on sewer network
Company site name
LANE HACKINGS GREEN/CSO
EA ID / permit
YWS02147 · WRA9263
Outlet location
SE2261009540 (OS grid reference) · View on Apple Maps
WFD catchment
Dearne from Source to Bentley Brook (GB104027063220)
2024 spills / hours
17 / 21
Long-term average
9.8 spills a year (monitored since 2020)
Monitor below 90%
Comms failure / issue · Resolved - May
Investigation
UWWTR investigation ongoing
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 7.8 hours spilling →
Thorpe Dike 6 7.8 down 65% 77%
Hartoft Street CSO
Overflow on sewer network
Company site name
HARTOFT STREET/CSO
EA ID / permit
YWS00447 · 27/24/0422
Outlet location
SE6057550671 (OS grid reference) · View on Apple Maps
WFD catchment
Ouse from River Nidd to Stillingfleet Beck (GB104027069593)
2024 spills / hours
35 / 7.4
Long-term average
22.8 spills a year (monitored since 2020)
Investigation
UWWTR investigation ongoing, Operational investigation completed
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 7.7 hours spilling →
River Ouse 21 7.7 down 40% 100%
Bardsey CSO
Overflow on sewer network
Company site name
BARDSEY/CSO
EA ID / permit
YWS00021 · 1364
Outlet location
SE3653643052 (OS grid reference) · View on Apple Maps
WFD catchment
Collingham Bk Catchment (trib of Wharfe) (GB104027063970)
2024 spills / hours
7 / 9.5
Long-term average
3.7 spills a year (monitored since 2020)
Investigation
Bathing Water and/or Shellfish Water investigation ongoing
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 7.5 hours spilling →
Gill Beck 3 7.5 down 57% 100%
Pickering Sewage Treatment Works
Inlet overflow at sewage works
Sewage works
Pickering
Company site name
PICKERING/STW/6XDWF OVERFLOW
EA ID / permit
YWS00482 · 27/25/0075
Outlet location
SE7746083680 (OS grid reference) · View on Apple Maps
WFD catchment
Costa Beck from Source to Pickering Beck (GB104027068480)
2024 spills / hours
35 / 56
Long-term average
38.7 spills a year (monitored since 2020)
Investigation
UWWTR investigation ongoing, Operational investigation completed
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 7.5 hours spilling →
Costa Beck 9 7.5 down 74% 100%
Olive Grove Depot CSO
Overflow on sewer network
Company site name
OLIVE GROVE DEPOT/CSO
EA ID / permit
YWS01447 · WRA7572
Outlet location
SK3547085441 (OS grid reference) · View on Apple Maps
WFD catchment
River Sheaf from Source to River Porter (GB104027057750)
2024 spills / hours
12 / 11
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 7.5 hours spilling →
River Sheaf (Culverted) 12 7.5 no change 100%
Brandy Carr Lane No 2 CSO
Overflow on sewer network
Company site name
BRANDY CARR ROAD/NO 2 CSO
EA ID / permit
YWS01544 · WRA7993
Outlet location
SE3021623146 (OS grid reference) · View on Apple Maps
WFD catchment
River Chald from Source to River Calder (GB104027062620)
2024 spills / hours
8 / 7.3
Long-term average
8.3 spills a year (monitored since 2020)
Investigation
Operational investigation completed
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 7.5 hours spilling →
Foster Ford Beck 8 7.5 no change 94%
Pickwick Mill CSO
Overflow on sewer network
Company site name
PICKWICK MILL/CSO
EA ID / permit
YWS01774 · WRA8445
Outlet location
SE1469009430 (OS grid reference) · View on Apple Maps
WFD catchment
River Holme from Source to New Mill Dike (GB104027057600)
2024 spills / hours
25 / 98
Long-term average
21.0 spills a year (monitored since 2020)
Investigation
UWWTR investigation ongoing, Operational investigation completed
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 7.5 hours spilling →
River Holme 1 7.5 down 96% 100%
Jack Lane CSO
Overflow on sewer network
Company site name
WESTLAND ROAD/CSO
EA ID / permit
YWS01841 · WRA8543
Outlet location
SE3216031220 (OS grid reference) · View on Apple Maps
WFD catchment
Aire from Gill Beck (Baildon) to Wyke Beck (GB104027063035)
2024 spills / hours
17 / 10
Long-term average
16.8 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 7.5 hours spilling →
Aire and Calder Navigation 16 7.5 down 6% 100%
Corner Cafe CSO
Overflow on sewer network
Company site name
CORNER CAFE/NO 2 CSO
EA ID / permit
YWS01048 · QR.27/26/0002
Outlet location
TA0390089900 (OS grid reference) · View on Apple Maps
WFD catchment
Yorkshire North (GB650401500004)
Bathing water
Scarborough North Bay
2024 spills / hours
15 / 13
Long-term average
9.3 spills a year (monitored since 2020)
Investigation
Operational investigation completed
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 7.4 hours spilling →
The North Sea 6 7.4 down 60% 100%
Piccadilly CSO
Overflow on sewer network
Company site name
PICCADILLY/CSO
EA ID / permit
YWS00456 · 27/24/0432
Outlet location
SE6055451637 (OS grid reference) · View on Apple Maps
WFD catchment
River Foss from the Syke to the River Ouse (GB104027063520)
2024 spills / hours
0 / 0.0
Long-term average
12.4 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 →
River Foss 10 7.3 up from 0 93%

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.