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
Woolley STW
Inlet overflow at sewage works
Sewage works
Woolley
Company site name
WOOLLEY VILLAGE/STW/6XDWF OVERFLOW
EA ID / permit
YWS00629 · 2776
Outlet location
SE3270013700 (OS grid reference) · View on Apple Maps
WFD catchment
Owler Beck from Source to River Calder (GB104027062530)
2024 spills / hours
5 / 1.5
Long-term average
6.7 spills a year (monitored since 2020)
Investigation
No investigation activity in reporting period
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 1.8 hours spilling →
Totty Beck 4 1.8 down 20% 100%
Market Street CS0
Overflow on sewer network
Company site name
MARKET ST ECKINGTON/CSO
EA ID / permit
YWS01004 · NPSWQD000393
Outlet location
SK4332079900 (OS grid reference) · View on Apple Maps
WFD catchment
The Moss from Source to River Rother (GB104027057720)
2024 spills / hours
5 / 13
Long-term average
17.8 spills a year (monitored since 2020)
Investigation
UWWTR investigation ongoing, Operational investigation completed
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 1.8 hours spilling →
The Moss 6 1.8 up 20% 100%
Richmond Baths CSO
Overflow on sewer network
Company site name
RICHMOND BATHS/CSO
EA ID / permit
YWS01036 · QC.27/23/0026
Outlet location
NZ1771200967 (OS grid reference) · View on Apple Maps
WFD catchment
Swale from Clapgate Beck to Bedale Beck (GB104027069122)
2024 spills / hours
7 / 5.3
Long-term average
14.8 spills a year (monitored since 2020)
Investigation
UWWTR investigation ongoing, Operational investigation completed
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 1.8 hours spilling →
The River Swale 6 1.8 down 14% 100%
Iron Cliffe Road CSO
Overflow on sewer network
Company site name
IRON CLIFFE ROAD/CSO
EA ID / permit
YWS01353 · WRA7029
Outlet location
SK4644371208 (OS grid reference) · View on Apple Maps
WFD catchment
Doe Lea from Source to Hawke Brook (GB104027057290)
2024 spills / hours
2 / 1.3
Long-term average
7.8 spills a year (monitored since 2020)
Investigation
UWWTR investigation ongoing, Operational investigation completed
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 1.8 hours spilling →
Trib of River Doe Lea 5 1.8 up 150% 91%
Prince of Wales Public Sewer
Overflow on sewer network
Company site name
QUEEN MARY ROAD/CSO
EA ID / permit
YWS01686 · EPR/RB3452TX
Outlet location
SK3931087310 (OS grid reference) · View on Apple Maps
WFD catchment
Car Brook from Source to River Don (GB104027057360)
2024 spills / hours
0 / 0.0
Long-term average
1.5 spills a year (monitored since 2020)
Investigation
Operational investigation completed
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 1.8 hours spilling →
Car Brook (via Public Sewer) 5 1.8 up from 0 100%
Hoults Lane CSO
Overflow on sewer network
Company site name
HOULTS LANE/CSO
EA ID / permit
YWS01770 · WRA8440
Outlet location
SE0967821322 (OS grid reference) · View on Apple Maps
WFD catchment
Black Brook from Source to River Calder (GB104027062570)
2024 spills / hours
4 / 1.8
Long-term average
13.7 spills a year (monitored since 2020)
Investigation
UWWTR investigation ongoing, Operational investigation completed
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 1.8 hours spilling →
Black Brook 5 1.8 up 25% 100%
Whitehead Lane CSO
Overflow on sewer network
Company site name
WHITEHEAD LANE/NO 2 CSO
EA ID / permit
YWS01913 · WRA8680
Outlet location
SE1449015790 (OS grid reference) · View on Apple Maps
WFD catchment
River Colne from River Holme to River Calder (GB104027062550)
2024 spills / hours
10 / 3.5
Long-term average
11.8 spills a year (monitored since 2020)
Investigation
Env Act (SODRP) investigation completed, UWWTR investigation completed, Operational investigation ongoing
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 1.8 hours spilling →
River Colne 5 1.8 down 50% 100%
Holmfirth Bridge Lane CSO
Overflow on sewer network
Company site name
HOLMFIRTH BRIDGE LN/CSO
EA ID / permit
YWS02153 · WRA9270
Outlet location
SE1440108475 (OS grid reference) · View on Apple Maps
WFD catchment
River Holme from Source to New Mill Dike (GB104027057600)
2024 spills / hours
0 / 0.0
Long-term average
0.5 spills a year (monitored since 2020)
Investigation
No investigation activity in reporting period
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 1.8 hours spilling →
River Holme 1 1.8 up from 0 100%
Moor Monkton East SPS
Storm discharge at pumping station
Company site name
MOOR MONKTON EAST/CSO
EA ID / permit
YWS00236 · 27/21/0141
Outlet location
SE5119657007 (OS grid reference) · View on Apple Maps
WFD catchment
River Nidd from Crimple Beck to River Ouse (GB104027068292)
2024 spills / hours
7 / 1.4
Long-term average
5.5 spills a year (monitored since 2020)
Investigation
Operational investigation completed
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 1.5 hours spilling →
River Nidd 4 1.5 down 43% 100%
Gunnerside STW
Inlet overflow at sewage works
Sewage works
Gunnerside
Company site name
GUNNERSIDE/NO 2 STW
EA ID / permit
YWS00328 · 27/23/0108
Outlet location
SD9498097810 (OS grid reference) · View on Apple Maps
WFD catchment
Swale from Muker Beck to Clapgate Beck (GB104027069121)
2024 spills / hours
– / –
Long-term average
46.6 spills a year (monitored since 2020)
Monitor below 90%
Installation set-up/design issue · Resolved - Jan
Investigation
UWWTR investigation ongoing
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 1.5 hours spilling →
The River Swale 4 1.5 88%
Clough Dike Sewage Pumping Station
Overflow on sewer network
Company site name
CLOUGH DYKE/CSO
EA ID / permit
YWS00403 · 27/24/0215
Outlet location
SE5814037980 (OS grid reference) · View on Apple Maps
WFD catchment
Ouse Still/fleet bk - Kelfield and Wharfe d/s Ryther (GB104027064280)
2024 spills / hours
1 / 1.0
Long-term average
1.3 spills a year (monitored since 2020)
Monitor below 90%
Comms failure / issue · Resolved - Jul
Investigation
Operational investigation completed
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 1.5 hours spilling →
Clough Dike 1 1.5 no change 90%
Mayfield Road CSO
Overflow on sewer network
Company site name
MAYFIELD ROAD/NO 2 CSO
EA ID / permit
YWS00594 · 27/29/0073
Outlet location
NZ8899010470 (OS grid reference) · View on Apple Maps
WFD catchment
Not part of a WFD catchment
2024 spills / hours
4 / 3.3
Long-term average
2.3 spills a year (monitored since 2020)
Investigation
Operational investigation completed
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 1.5 hours spilling →
Bagdale Beck 3 1.5 down 25% 100%
Burnaby Crescent CSO
Overflow on sewer network
Company site name
BURNABY CRESCENT/CSO
EA ID / permit
YWS00717 · 3430
Outlet location
SK3408489449 (OS grid reference) · View on Apple Maps
WFD catchment
Loxley from Strines Dyke to River Don (GB104027057370)
2024 spills / hours
8 / 3.0
Long-term average
7.8 spills a year (monitored since 2020)
Investigation
No investigation activity in reporting period
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 1.5 hours spilling →
River Don 3 1.5 down 63% 100%
Grange Moor CSO
Overflow on sewer network
Company site name
GRANGE MOOR/CSO
EA ID / permit
YWS00851 · C4480
Outlet location
SE2190116933 (OS grid reference) · View on Apple Maps
WFD catchment
Smithy Brook from Source to River Calder (GB104027062510)
2024 spills / hours
5 / 5.3
Long-term average
4.8 spills a year (monitored since 2020)
Monitor below 90%
Comms failure / issue · Resolved - Jul
Investigation
Operational investigation completed
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 1.5 hours spilling →
Falhouse Beck 3 1.5 down 40% 85%
West Scholes CSO
Overflow on sewer network
Company site name
WEST SCHOLES/CSO
EA ID / permit
YWS01729 · WRA8334
Outlet location
SE0979431675 (OS grid reference) · View on Apple Maps
WFD catchment
Clayton Beck (Source to Bradford Bk) (GB104027062861)
2024 spills / hours
33 / 38
Long-term average
51.2 spills a year (monitored since 2020)
Monitor below 90%
Comms failure / issue · Resolved - Feb
Investigation
UWWTR investigation ongoing
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 1.5 hours spilling →
High Birks Beck 4 1.5 down 88% 85%
Sheffield Road Woodhouse No 2 CSO
Overflow on sewer network
Company site name
SHEFF RD WOODHOUSE/2 CSO
EA ID / permit
YWS01799 · WRA8480
Outlet location
SK4114284582 (OS grid reference) · View on Apple Maps
WFD catchment
Shire Brook (GB104027057773)
2024 spills / hours
3 / 2.3
Long-term average
3.7 spills a year (monitored since 2020)
Investigation
Operational investigation completed
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 1.5 hours spilling →
Clvrt Tributary of Shire Brook 4 1.5 up 33% 100%
Well Lane CSO
Overflow on sewer network
Company site name
WELL LANE/CSO
EA ID / permit
YWS01830 · WRA8530
Outlet location
SE2469023181 (OS grid reference) · View on Apple Maps
WFD catchment
Batley Beck from Source to River Calder (GB104027062670)
2024 spills / hours
2 / 1.0
Long-term average
3.2 spills a year (monitored since 2020)
Monitor below 90%
Comms failure / issue · Resolved - Feb
Investigation
Env Act (SODRP) investigation ongoing
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 1.5 hours spilling →
Batley Beck 4 1.5 up 100% 87%
Smithy Wood Crescent CSO
Overflow on sewer network
Company site name
SMITHY WOOD CRESCENT/CSO
EA ID / permit
YWS02090 · WRA9196
Outlet location
SK3450883739 (OS grid reference) · View on Apple Maps
WFD catchment
River Sheaf from Source to River Porter (GB104027057750)
2024 spills / hours
1 / 0.3
Long-term average
1.7 spills a year (monitored since 2020)
Investigation
No investigation activity in reporting period
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 1.5 hours spilling →
River Sheaf 2 1.5 up 100% 100%
Sandsend SPS
Storm discharge at pumping station
Company site name
SANDSEND ROAD/CSO
EA ID / permit
YWS01242 · WADC364
Outlet location
NZ8809011520 (OS grid reference) · View on Apple Maps
WFD catchment
Not part of a WFD catchment
Bathing water
Sandsend
2024 spills / hours
8 / 8.6
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 1.4 hours spilling →
Upgang Beck 3 1.4 down 63% 100%
Farndale Street CSO
Overflow on sewer network
Company site name
FARNDALE STREET/CSO
EA ID / permit
YWS00448 · 27/24/0423
Outlet location
SE6055850628 (OS grid reference) · View on Apple Maps
WFD catchment
Ouse from River Nidd to Stillingfleet Beck (GB104027069593)
2024 spills / hours
13 / 19
Long-term average
13.0 spills a year (monitored since 2020)
Investigation
UWWTR investigation ongoing, Operational investigation ongoing
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 1.3 hours spilling →
River Ouse 12 1.3 down 8% 100%
Yws Unknown Sites Default
Overflow on sewer network
Company site name
LAWNS LANE/CSO
EA ID / permit
YWS00128 · 2365
Outlet location
SE2508031150 (OS grid reference) · View on Apple Maps
WFD catchment
Low/Wortley/Pudsey Bks from Source to Milshaw Beck (GB104027062830)
2024 spills / hours
7 / 3.3
Long-term average
6.5 spills a year (monitored since 2020)
Investigation
Env Act (SODRP) investigation ongoing
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 1.3 hours spilling →
Trib of Wortley Beck 4 1.3 down 43% 100%
Newton Le Willows STW
Inlet overflow at sewage works
Sewage works
Newton Le Willows
Company site name
NEWTON LE WILLOWS/STW
EA ID / permit
YWS00376 · 27/23/0281
Outlet location
SE2189090080 (OS grid reference) · View on Apple Maps
WFD catchment
Bedale/Newton/Burton Bk from Source to Brompton Bk (GB104027068940)
2024 spills / hours
4 / 15
Long-term average
7.0 spills a year (monitored since 2020)
Investigation
Env Act (SODRP) investigation ongoing
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 1.3 hours spilling →
Newton Beck 3 1.3 down 25% 100%
Malton Harome SPS
Storm discharge at pumping station
Company site name
MALTON HAROME/CSO
EA ID / permit
YWS00488 · 27/25/0092
Outlet location
SE6479681523 (OS grid reference) · View on Apple Maps
WFD catchment
Riccal from Bogmire Gill to R Rye (GB104027068220)
2024 spills / hours
5 / 8.3
Long-term average
4.8 spills a year (monitored since 2020)
Investigation
No investigation activity in reporting period
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 1.3 hours spilling →
River Riccall 5 1.3 no change 100%
George Street Pocklington CSO
Overflow on sewer network
Company site name
GEORGE ST POCKLINGTON/CSO
EA ID / permit
YWS00565 · 27/28/0150
Outlet location
SE8017048967 (OS grid reference) · View on Apple Maps
WFD catchment
Pocklington Beck from Source to Bielby beck (GB104027063480)
2024 spills / hours
9 / 6.3
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 1.3 hours spilling →
Pocklington Beck 4 1.3 down 56% 100%
Elland Lowfields SPS
Storm discharge at pumping station
Company site name
ELLAND LOWFIELDS/SPS
EA ID / permit
YWS00666 · 3111
Outlet location
SE1126021800 (OS grid reference) · View on Apple Maps
WFD catchment
Calder from Ryburn Confluence to River Colne (GB104027062642)
2024 spills / hours
3 / 19
Long-term average
29.2 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 1.3 hours spilling →
River Calder 2 1.3 down 33% 100%
Catterick Sewage Treatment Works
Storm tank at sewage works
Sewage works
Catterick
Company site name
CATTERICK VILLAGE/STW
EA ID / permit
YWS00669 · 3132(SS)
Outlet location
SE2465097730 (OS grid reference) · View on Apple Maps
WFD catchment
Swale from Clapgate Beck to Bedale Beck (GB104027069122)
2024 spills / hours
1 / 0.8
Long-term average
14.7 spills a year (monitored since 2020)
Investigation
UWWTR investigation ongoing, Operational investigation completed
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 1.3 hours spilling →
River Swale 1 1.3 no change 100%
Green Brook Place CSO
Overflow on sewer network
Company site name
GREEN BROOK PLACE/CSO
EA ID / permit
YWS00950 · EPREP3225XP
Outlet location
SE2498502799 (OS grid reference) · View on Apple Maps
WFD catchment
Don from Scout Dyke to the Little Don (GB104027057490)
2024 spills / hours
4 / 5.3
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 1.3 hours spilling →
Cubley Brook 4 1.3 no change 99%
Holywell Brook CSO
Overflow on sewer network
Company site name
HOLYWELL BROOK/CSO
EA ID / permit
YWS01133 · WADC1026
Outlet location
SE0885619470 (OS grid reference) · View on Apple Maps
WFD catchment
Black Brook from Source to River Calder (GB104027062570)
2024 spills / hours
5 / 48
Long-term average
3.0 spills a year (monitored since 2020)
Monitor below 90%
Comms failure / issue · Resolved - January after reporting year
Investigation
No investigation activity in reporting period
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 1.3 hours spilling →
Culverted Holywell Brook 1 1.3 down 80% 4%
Lumb Wood CSO
Overflow on sewer network
Company site name
LUMB WOOD/NO 2 CSO
EA ID / permit
YWS01520 · WRA7964
Outlet location
SE2286029340 (OS grid reference) · View on Apple Maps
WFD catchment
Low/Wortley/Pudsey Bks from Source to Milshaw Beck (GB104027062830)
2024 spills / hours
3 / 1.5
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 1.3 hours spilling →
Trib of Cock Beck 5 1.3 up 67% 100%
Pitt Street CSO
Overflow on sewer network
Company site name
PITT STREET/CSO
EA ID / permit
YWS01584 · WRA8103
Outlet location
SE0682041140 (OS grid reference) · View on Apple Maps
WFD catchment
Worth from Bridgehouse Beck to R Aire (GB104027062891)
2024 spills / hours
9 / 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 1.3 hours spilling →
River Worth 3 1.3 down 67% 100%
Bowden Howstead No 2 CSO
Overflow on sewer network
Company site name
BOWDEN HOWSTEADS/NO 2 CSO
EA ID / permit
YWS01661 · WRA8202
Outlet location
SK3951087060 (OS grid reference) · View on Apple Maps
WFD catchment
Car Brook from Source to River Don (GB104027057360)
2024 spills / hours
5 / 1.5
Long-term average
15.8 spills a year (monitored since 2020)
Monitor below 90%
Comms failure / issue · Scheduled
Investigation
UWWTR investigation ongoing, Operational investigation completed
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 1.3 hours spilling →
Car Brook 5 1.3 no change 75%
Salem Cricket Ground CSO
Overflow on sewer network
Company site name
SALEM CRICKET GROUND/CSO
EA ID / permit
YWS01750 · WRA8419
Outlet location
SD9920728060 (OS grid reference) · View on Apple Maps
WFD catchment
Hebden Water from Widdop Beck to R Calder (GB104027062731)
2024 spills / hours
19 / 174
Long-term average
48.2 spills a year (monitored since 2020)
Monitor below 90%
Comms failure / issue · Resolved - Oct
Investigation
UWWTR investigation ongoing, Operational investigation completed
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 1.3 hours spilling →
Hebden Water 1 1.3 down 95% 59%
Jack Lane CSO
Overflow on sewer network
Company site name
SUSSEX AVENUE/CSO
EA ID / permit
YWS01843 · 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
0 / 0.0
Long-term average
0.5 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 1.3 hours spilling →
Aire and Calder Navigation 3 1.3 up from 0 100%
Fulneck CSO
Overflow on sewer network
Company site name
FULNECK/CSO
EA ID / permit
YWS01875 · WRA8590
Outlet location
SE2231834862 (OS grid reference) · View on Apple Maps
WFD catchment
Aire from Gill Beck (Baildon) to Wyke Beck (GB104027063035)
2024 spills / hours
2 / 1.8
Long-term average
9.0 spills a year (monitored since 2020)
Monitor below 90%
Comms failure / issue · Resolved - Dec
Investigation
Env Act (SODRP) investigation ongoing
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 1.3 hours spilling →
Farsley Beck 1 1.3 down 50% 74%
Stumperlowe Road CSO
Overflow on sewer network
Company site name
STUMPERLOWE CRES ROAD/CSO
EA ID / permit
YWS02021 · WRA9117
Outlet location
SK3145485845 (OS grid reference) · View on Apple Maps
WFD catchment
River Porter from Source to River Sheaf (GB104027057760)
2024 spills / hours
18 / 14
Long-term average
18.7 spills a year (monitored since 2020)
Investigation
UWWTR investigation ongoing, Operational investigation completed
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 1.3 hours spilling →
Porter Brook 4 1.3 down 78% 100%
Newman Drive CSO
Overflow on sewer network
Company site name
NEWMAN DRIVE/CSO
EA ID / permit
YWS02026 · WRA9127
Outlet location
SK3802691537 (OS grid reference) · View on Apple Maps
WFD catchment
Blackburn Brook from Source to River Don (GB104027057440)
2024 spills / hours
9 / 5.3
Long-term average
2.8 spills a year (monitored since 2020)
Investigation
No investigation activity in reporting period
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 1.3 hours spilling →
Tributary of Blackburn Brook 5 1.3 down 44% 99%
Clog Bridge CSO
Overflow on sewer network
Company site name
CLOG BRIDGE/CSO
EA ID / permit
YWS02129 · WRA9241
Outlet location
SE0422046200 (OS grid reference) · View on Apple Maps
WFD catchment
Silsden Beck from Source to River Aire (GB104027062990)
2024 spills / hours
25 / 34
Long-term average
15.3 spills a year (monitored since 2020)
Monitor below 90%
Comms failure / issue · Resolved - Mar
Investigation
UWWTR investigation ongoing, Operational investigation completed
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 1.3 hours spilling →
Silsden Beck 3 1.3 down 88% 64%
Ridgeway CSO
Overflow on sewer network
Company site name
RIDGEWAY/CSO
EA ID / permit
YWS02134 · WRA9246
Outlet location
SE1651036420 (OS grid reference) · View on Apple Maps
WFD catchment
Bradford Beck (Clayton Bk to R Aire) (GB104027062862)
2024 spills / hours
9 / 2.5
Long-term average
17.8 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 1.3 hours spilling →
Trap Sike 3 1.3 down 67% 100%
Hawkswell Lane CSO
Overflow on sewer network
Company site name
HAWKSWELL LANE/CSO
EA ID / permit
YWS00573 · 27/28/0198
Outlet location
SE7890271477 (OS grid reference) · View on Apple Maps
WFD catchment
Derwent from River Rye to Kirkham (GB104027068313)
2024 spills / hours
0 / 0.0
Long-term average
1.0 spills a year (monitored since 2020)
Investigation
Operational investigation completed
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 1.2 hours spilling →
River Derwent 5 1.2 up from 0 100%
Royal York Hotel No.2 CSO
Overflow on sewer network
Company site name
ROYAL YORK HOTEL/NO 2 CSO
EA ID / permit
YWS00469 · 27/24/0455
Outlet location
SE5995051914 (OS grid reference) · View on Apple Maps
WFD catchment
Ouse from River Nidd to Stillingfleet Beck (GB104027069593)
2024 spills / hours
0 / 0.0
Long-term average
0.8 spills a year (monitored since 2020)
Investigation
No investigation activity in reporting period
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 1.1 hours spilling →
River Ouse 1 1.1 up from 0 100%
Pudsey Valley Road CSO
Overflow on sewer network
Company site name
PUDSEY VALLEY ROAD/CSO
EA ID / permit
YWS00001 · 1008
Outlet location
SE2360032653 (OS grid reference) · View on Apple Maps
WFD catchment
Low/Wortley/Pudsey Bks from Source to Milshaw Beck (GB104027062830)
2024 spills / hours
3 / 0.8
Long-term average
3.0 spills a year (monitored since 2020)
Monitor below 90%
Comms failure / issue · Resolved - Aug
Investigation
Env Act (SODRP) investigation ongoing, Operational investigation completed
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 1.0 hours spilling →
Tributary of Pudsey Beck 3 1.0 no change 75%
Yws Unknown Sites Default
Overflow on sewer network
Company site name
CARR HALL LANE/CSO
EA ID / permit
YWS00152 · 2515
Outlet location
SE0942021120 (OS grid reference) · View on Apple Maps
WFD catchment
Black Brook from Source to River Calder (GB104027062570)
2024 spills / hours
1 / 0.3
Long-term average
4.3 spills a year (monitored since 2020)
Investigation
No investigation activity in reporting period
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 1.0 hours spilling →
Calder and Tribs 4 1.0 up 300% 100%
Alma Villas
Overflow on sewer network
Company site name
ALMA VILLAS/CSO
EA ID / permit
YWS00163 · 2619
Outlet location
SE3661329444 (OS grid reference) · View on Apple Maps
WFD catchment
Aire from Wyke Beck to Fryston Beck (GB104027063036)
2024 spills / hours
4 / 1.0
Long-term average
4.8 spills a year (monitored since 2020)
Investigation
Env Act (SODRP) investigation ongoing
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 1.0 hours spilling →
River Aire 3 1.0 down 25% 100%
Langwith Valley SPS
Storm discharge at pumping station
Company site name
LANGWITH VALLEY/CSO
EA ID / permit
YWS00204 · 27/20/0083
Outlet location
SE3732045940 (OS grid reference) · View on Apple Maps
WFD catchment
Wharfe from R Washburn to Collingham Beck (GB104027064254)
Bathing water
Wharfe at Wilderness Carpark
2024 spills / hours
9 / 6.5
Long-term average
3.3 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 1.0 hours spilling →
Wharfe 3 1.0 down 67% 100%
Wedderburn School CSO
Overflow on sewer network
Company site name
WEDDERBURN SCHOOL/CSO
EA ID / permit
YWS00219 · 27/21/0011
Outlet location
SE3216055270 (OS grid reference) · View on Apple Maps
WFD catchment
Crimple Beck from Source to Park Beck (GB104027063741)
2024 spills / hours
11 / 13
Long-term average
4.8 spills a year (monitored since 2020)
Investigation
Operational investigation completed
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 1.0 hours spilling →
Rud Beck via A Public Sewer 3 1.0 down 73% 100%
Hookstone Grange Way CSO
Overflow on sewer network
Company site name
HOOKSTONE GRANGE WAY/CSO
EA ID / permit
YWS00242 · 27/21/0151
Outlet location
SE3301155120 (OS grid reference) · View on Apple Maps
WFD catchment
Crimple Beck from Source to Park Beck (GB104027063741)
2024 spills / hours
6 / 3.0
Long-term average
2.8 spills a year (monitored since 2020)
Investigation
UWWTR investigation ongoing, Operational investigation completed
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 1.0 hours spilling →
Rud Beck via Public Sewer 1 1.0 down 83% 100%
Eastfield Farm CSO
Overflow on sewer network
Company site name
EASTFIELD FARM/CSO
EA ID / permit
YWS00272 · 27/21/0256
Outlet location
SE3658851114 (OS grid reference) · View on Apple Maps
WFD catchment
Crimple Beck from Park Beck to River Nidd (GB104027063742)
2024 spills / hours
11 / 7.5
Long-term average
7.2 spills a year (monitored since 2020)
Monitor below 90%
Comms failure / issue · Resolved - Feb
Investigation
UWWTR investigation ongoing
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 1.0 hours spilling →
Crimple Beck Or River Crimple 2 1.0 down 82% 82%
Ivy House CSO
Overflow on sewer network
Company site name
IVY HOUSE/CSO
EA ID / permit
YWS00614 · 27/29/0119
Outlet location
NZ8614208727 (OS grid reference) · View on Apple Maps
WFD catchment
Esk from Sleddale Beck to Ruswarp (GB104027068150)
2024 spills / hours
8 / 4.5
Long-term average
6.4 spills a year (monitored since 2020)
Investigation
Operational investigation completed
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 1.0 hours spilling →
Trib of River Esk 2 1.0 down 75% 100%
Carrs Lane Cudworth
Overflow on sewer network
Company site name
CARRS LANE CUDWORTH/CSO
EA ID / permit
YWS00975 · EPRUP3126GQ
Outlet location
SE3896007850 (OS grid reference) · View on Apple Maps
WFD catchment
Cudworth Dyke from Source to River Dearne (GB104027063230)
2024 spills / hours
3 / 1.3
Long-term average
3.2 spills a year (monitored since 2020)
Investigation
No investigation activity in reporting period
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 1.0 hours spilling →
Small Bridge Dike 3 1.0 no change 100%
Ginny Green Holes Nature Reserve
Overflow on sewer network
Company site name
HARLAND WAY SPOFFORTH/CSO
EA ID / permit
YWS00986 · EPRUP3224GY
Outlet location
SE3687450818 (OS grid reference) · View on Apple Maps
WFD catchment
Crimple Beck from Park Beck to River Nidd (GB104027063742)
2024 spills / hours
4 / 4.3
Long-term average
4.5 spills a year (monitored since 2020)
Investigation
No investigation activity in reporting period
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 1.0 hours spilling →
Crimple Beck Or River Crimple 2 1.0 down 50% 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.