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
33 Skipton Road CSO
Overflow on sewer network
Company site name
SKIPTON ROAD 33/CSO
EA ID / permit
YWS00253 · 27/21/0209
Outlet location
SE2943056903 (OS grid reference) · View on Apple Maps
WFD catchment
Oak Beck Catchment (Trib of Nidd) (GB104027063760)
2024 spills / hours
6 / 2.5
Long-term average
1.4 spills a year (monitored since 2020)
Monitor below 90%
Sensor failure / issue · Scheduled
Investigation
Env Act (SODRP) investigation ongoing, Bathing Water and/or Shellfish Water investigation ongoing
Improvement
No improvement action in reporting period
Oak Beck via A Public Sewer – – 0%
83 Skipton Road CSO
Overflow on sewer network
Company site name
SKIPTON ROAD 83/CSO
EA ID / permit
YWS00254 · 27/21/0210
Outlet location
SE2943356908 (OS grid reference) · View on Apple Maps
WFD catchment
Oak Beck Catchment (Trib of Nidd) (GB104027063760)
2024 spills / hours
1 / 0.3
Long-term average
0.5 spills a year (monitored since 2020)
Investigation
Env Act (SODRP) investigation ongoing, Operational investigation completed, Bathing Water and/or Shellfish Water investigation completed
Improvement
No improvement action in reporting period
Oak Beck via A Public Sewer 0 0.0 down 100% 100%
Harrogate Hydro Csos
Overflow on sewer network
Company site name
COLD BATH ROAD/CSO
EA ID / permit
YWS00262 · 27/21/0216
Outlet location
SE2995055220 (OS grid reference) · View on Apple Maps
WFD catchment
Oak Beck Catchment (Trib of Nidd) (GB104027063760)
2024 spills / hours
1 / 0.3
Long-term average
0.5 spills a year (monitored since 2020)
Investigation
Env Act (SODRP) investigation ongoing, Operational investigation completed, Bathing Water and/or Shellfish Water investigation completed
Improvement
No improvement action in reporting period
Oak Beck and Coppice Beck 0 0.0 down 100% 91%
Abbey Mill CSO
Overflow on sewer network
Company site name
ABBEY MILL/CSO
EA ID / permit
YWS00278 · 27/21/0264
Outlet location
SE3601055960 (OS grid reference) · View on Apple Maps
WFD catchment
Nidd from Low Bridge on Briggate (Knaresborough) to Crimple Beck (GB104027068298)
Bathing water
Nidd at the Lido, Knaresborough
2024 spills / hours
0 / 0.0
Long-term average
1.2 spills a year (monitored since 2020)
Monitor below 90%
Comms failure / issue · Resolved - January after reporting year
Investigation
Bathing Water and/or Shellfish Water investigation ongoing
Improvement
No improvement action in reporting period
River Nidd 0 0.0 no change 75%
Hetton Garth CSO
Overflow on sewer network
Company site name
HETTON GARTH/CSO
EA ID / permit
YWS00312 · 27/22/0128
Outlet location
SE1131090290 (OS grid reference) · View on Apple Maps
WFD catchment
Ure from Mill Beck to Thornton Steward Beck (GB104027069464)
2024 spills / hours
0 / 0.0
Long-term average
1.5 spills a year (monitored since 2020)
Investigation
Env Act (SODRP) investigation ongoing, Operational investigation completed
Improvement
No improvement action in reporting period
Unnamed Tributary of River Ure 0 0.0 no change 100%
The Holme Bridge CSO
Overflow on sewer network
Company site name
THE HOLME BRIDGE/CSO
EA ID / permit
YWS00316 · 27/22/0160
Outlet location
SD8741089840 (OS grid reference) · View on Apple Maps
WFD catchment
Duerley Beck from Source to River Ure (GB104027069390)
2024 spills / hours
1 / 3.0
Long-term average
0.7 spills a year (monitored since 2020)
Investigation
No investigation activity in reporting period
Improvement
No improvement action in reporting period
Gayle Beck 0 0.0 down 100% 100%
New Row Combined Sewer Overflow
Overflow on sewer network
Company site name
NEW ROW/CSO
EA ID / permit
YWS00319 · 27/22/0163
Outlet location
SE3950066505 (OS grid reference) · View on Apple Maps
WFD catchment
Tutt Catchment (Trib of Ure) (GB104027064100)
2024 spills / hours
30 / 78
Long-term average
6.0 spills a year (monitored since 2020)
Monitor below 90%
Sensor failure / issue · Scheduled
Investigation
No investigation activity in reporting period
Improvement
No improvement action in reporting period
River Tutt – – 0%
Swinton Terrace CSO
Overflow on sewer network
Company site name
SWINTON TERRACE/CSO
EA ID / permit
YWS00320 · 27/22/0164
Outlet location
SE2234080460 (OS grid reference) · View on Apple Maps
WFD catchment
Burn from Leighton Beck to River Ure (GB104027069310)
2024 spills / hours
– / –
Long-term average
5.8 spills a year (monitored since 2020)
Monitor below 90%
Comms failure / issue · Resolved - May
Investigation
No investigation activity in reporting period
Improvement
No improvement action in reporting period
Swinney Beck 0 0.0 77%
Water Skellgate CSO
Overflow on sewer network
Company site name
WATER SKELLGATE/CSO
EA ID / permit
YWS00321 · 27/22/0167
Outlet location
SE3104571001 (OS grid reference) · View on Apple Maps
WFD catchment
Skell from River Laver to River Ure (GB104027064140)
2024 spills / hours
0 / 0.0
Long-term average
0.7 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
River Skell 0 0.0 no change 46%
Bondgate Green CSO
Overflow on sewer network
Company site name
BONDGATE GREEN/CSO
EA ID / permit
YWS00322 · 27/22/0168
Outlet location
SE3141070950 (OS grid reference) · View on Apple Maps
WFD catchment
Skell from River Laver to River Ure (GB104027064140)
2024 spills / hours
0 / 0.0
Long-term average
3.8 spills a year (monitored since 2020)
Investigation
No investigation activity in reporting period
Improvement
No improvement action in reporting period
River Skell 0 0.0 no change 100%
Danby Wiske Vill SPS
Storm discharge at pumping station
Company site name
DANBY WISKE VILL/CSO
EA ID / permit
YWS00331 · 27/23/0127
Outlet location
SE3377098700 (OS grid reference) · View on Apple Maps
WFD catchment
River Wiske from Trenholme Stell to River Swale (GB104027069530)
2024 spills / hours
1 / 0.8
Long-term average
0.2 spills a year (monitored since 2020)
Investigation
No investigation activity in reporting period
Improvement
No improvement action in reporting period
River Wiske 0 0.0 down 100% 100%
Otterington Sewage Pumping Station
Storm discharge at pumping station
Company site name
OTTERINGTON CHURCH/CSO
EA ID / permit
YWS00353 · 27/23/0220
Outlet location
SE3725087640 (OS grid reference) · View on Apple Maps
WFD catchment
River Wiske from Trenholme Stell to River Swale (GB104027069530)
2024 spills / hours
7 / 70
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
Howe Beck 0 0.0 down 100% 100%
Mowbray Road Sewage Pumping Station
Storm discharge at pumping station
Company site name
MOWBRAY ROAD/CSO
EA ID / permit
YWS00355 · 27/23/0222
Outlet location
SE2389698457 (OS grid reference) · View on Apple Maps
WFD catchment
Brough Bk/Scotton Bk from Source to River Swale (GB104027068990)
2024 spills / hours
1 / 0.3
Long-term average
0.2 spills a year (monitored since 2020)
Investigation
Env Act (SODRP) investigation ongoing
Improvement
No improvement action in reporting period
Culverted Trib of River Swale 0 0.0 down 100% 100%
Church Bank CSO
Overflow on sewer network
Company site name
CHURCH BANK/NO 2 CSO
EA ID / permit
YWS00360 · 27/23/0248
Outlet location
SE1906092620 (OS grid reference) · View on Apple Maps
WFD catchment
Brompton Bk from Source to Newton Bk (GB104027068960)
2024 spills / hours
2 / 0.5
Long-term average
2.5 spills a year (monitored since 2020)
Investigation
Env Act (SODRP) investigation ongoing, Operational investigation completed
Improvement
No improvement action in reporting period
Unnamed Trib of Hunton Beck 0 0.0 down 100% 100%
Newton Le Willows STW
Storm tank at sewage works
Sewage works
Newton Le Willows
Company site name
NEWTON LE WILLOWS/STW
EA ID / permit
YWS00375 · 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
19 / 179
Long-term average
13.3 spills a year (monitored since 2020)
Monitor below 90%
Installation set-up/design issue · Resolved - Nov
Investigation
Env Act (SODRP) investigation completed, UWWTR investigation completed, Operational investigation completed
Improvement
No improvement action in reporting period
Newton Beck 0 0.0 down 100% 15%
North Lane SPS
Storm discharge at pumping station
Company site name
NORTH LANE/SPS
EA ID / permit
YWS00407 · 27/24/0230
Outlet location
SE5827050200 (OS grid reference) · View on Apple Maps
WFD catchment
Holgate Beck to Ouse (GB104027064001)
2024 spills / hours
2 / 1.0
Long-term average
0.4 spills a year (monitored since 2020)
Investigation
No investigation activity in reporting period
Improvement
No improvement action in reporting period
Trib of Holgate Beck 0 0.0 down 100% 100%
Copmanthorpe Sewage Pumping Station
Storm discharge at pumping station
Company site name
COPMANTHORPE/CSO
EA ID / permit
YWS00441 · 27/24/0407
Outlet location
SE5701046900 (OS grid reference) · View on Apple Maps
WFD catchment
The Fleet/The Foss from Source to R Wharfe (GB104027064002)
2024 spills / hours
0 / 0.0
Long-term average
0.0 spills a year (monitored since 2020)
Investigation
Env Act (SODRP) investigation ongoing, Operational investigation completed
Improvement
No improvement action in reporting period
Town Ings Drain 0 0.0 no change 100%
Common Hall Lane CSO
Overflow on sewer network
Company site name
COMMON HALL LANE/CSO
EA ID / permit
YWS00443 · 27/24/0418
Outlet location
SE6008051888 (OS grid reference) · View on Apple Maps
WFD catchment
Ouse from River Nidd to Stillingfleet Beck (GB104027069593)
2024 spills / hours
7 / 55
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
River Ouse 0 0.0 down 100% 99%
Royal York Hotel No.1 CSO
Overflow on sewer network
Company site name
ROYAL YORK HOTEL/NO 1 CSO
EA ID / permit
YWS00470 · 27/24/0457
Outlet location
SE5995051914 (OS grid reference) · View on Apple Maps
WFD catchment
Ouse from River Nidd to Stillingfleet Beck (GB104027069593)
2024 spills / hours
1 / 0.3
Long-term average
0.2 spills a year (monitored since 2020)
Investigation
No investigation activity in reporting period
Improvement
No improvement action in reporting period
River Ouse 0 0.0 down 100% 100%
Kitchener Street CSO
Overflow on sewer network
Company site name
KITCHENER STREET/CSO
EA ID / permit
YWS00473 · 27/24/0460
Outlet location
SE6088653229 (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
0.3 spills a year (monitored since 2020)
Monitor below 90%
Sensor failure / issue · Scheduled
Investigation
No investigation activity in reporting period
Improvement
No improvement action in reporting period
River Foss – – 0%
Ashville Street CSO
Overflow on sewer network
Company site name
ASHVILLE STREET/CSO
EA ID / permit
YWS00474 · 27/24/0461
Outlet location
SE6088053221 (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
0.0 spills a year (monitored since 2020)
Monitor below 90%
Sensor failure / issue · Scheduled
Investigation
No investigation activity in reporting period
Improvement
No improvement action in reporting period
River Foss – – 0%
Oakville Street CSO
Overflow on sewer network
Company site name
OAKVILLE STREET/CSO
EA ID / permit
YWS00475 · 27/24/0462
Outlet location
SE6091353309 (OS grid reference) · View on Apple Maps
WFD catchment
River Foss from the Syke to the River Ouse (GB104027063520)
2024 spills / hours
– / –
Long-term average
0.0 spills a year (monitored since 2020)
Monitor below 90%
Power failure / issue · Resolved - Nov
Investigation
No investigation activity in reporting period
Improvement
No improvement action in reporting period
River Foss 0 0.0 30%
Kirkby Mills Sewage Pumping Station
Storm discharge at pumping station
Company site name
KIRKBY MILLS/CSO
EA ID / permit
YWS00489 · 27/25/0094
Outlet location
SE7045185680 (OS grid reference) · View on Apple Maps
WFD catchment
River Dove from Source to Hodge Beck (GB104027068260)
2024 spills / hours
3 / 8.8
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
River Dove 0 0.0 down 100% 100%
Firby Sewage Treatment Works
Inlet overflow at sewage works
Sewage works
Firby
Company site name
FIRBY/STW
EA ID / permit
YWS00523 · 27/27/0092
Outlet location
SE7512066490 (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
1.2 spills a year (monitored since 2020)
Investigation
Operational investigation completed
Improvement
No improvement action in reporting period
Unnamed Trib of Derwent 0 0.0 no change 100%
Balaclava No. 2 SPS
Storm discharge at pumping station
Company site name
BALACLAVA/NO 2 CSO
EA ID / permit
YWS00531 · 27/27/0107
Outlet location
SE7987371844 (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
0.0 spills a year (monitored since 2020)
Investigation
Operational investigation completed
Improvement
No improvement action in reporting period
Priorpot Beck 0 0.0 no change 100%
Priorpot Bridge CSO
Overflow on sewer network
Company site name
PRIORPOT BRIDGE/CSO
EA ID / permit
YWS00533 · 27/27/0130
Outlet location
SE8001271844 (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
0.3 spills a year (monitored since 2020)
Investigation
No investigation activity in reporting period
Improvement
No improvement action in reporting period
Priorpot Beck 0 0.0 no change 100%
The Brows CSO
Overflow on sewer network
Company site name
THE BROWS/CSO
EA ID / permit
YWS00534 · 27/27/0131
Outlet location
SE7808071151 (OS grid reference) · View on Apple Maps
WFD catchment
Derwent from River Rye to Kirkham (GB104027068313)
2024 spills / hours
1 / 0.5
Long-term average
1.0 spills a year (monitored since 2020)
Investigation
No investigation activity in reporting period
Improvement
No improvement action in reporting period
River Derwent 0 0.0 down 100% 100%
Yorkersgate Combined Sewer Overflow
Overflow on sewer network
Company site name
YORKERSGATE/CSO
EA ID / permit
YWS00543 · 27/27/0164
Outlet location
SE7855571504 (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
28.0 spills a year (monitored since 2020)
Investigation
UWWTR investigation ongoing, Operational investigation completed
Improvement
No improvement action in reporting period
River Derwent 0 0.0 no change 100%
Outgaits Lane CSO
Overflow on sewer network
Company site name
OUTGAITS LANE/CSO
EA ID / permit
YWS00544 · 27/27/0165
Outlet location
TA0981078040 (OS grid reference) · View on Apple Maps
WFD catchment
Hertford from Source to River Derwent (GB104027067811)
2024 spills / hours
2 / 1.0
Long-term average
2.3 spills a year (monitored since 2020)
Investigation
Operational investigation completed
Improvement
No improvement action in reporting period
Unnamed Trib of River Hertford 0 0.0 down 100% 100%
Spring Lane SPS
Storm discharge at pumping station
Company site name
SPRING LANE/CSO
EA ID / permit
YWS00574 · 27/28/0206
Outlet location
SE8313051590 (OS grid reference) · View on Apple Maps
WFD catchment
Pocklington Beck from Source to Bielby beck (GB104027063480)
2024 spills / hours
4 / 2.0
Long-term average
3.8 spills a year (monitored since 2020)
Investigation
No investigation activity in reporting period
Improvement
No improvement action in reporting period
Trib of Millington Beck 0 0.0 down 100% 100%
Town Street Malton CSO
Overflow on sewer network
Company site name
TOWN STREET MALTON/CSO
EA ID / permit
YWS00575 · 27/28/0207
Outlet location
SE7994772614 (OS grid reference) · View on Apple Maps
WFD catchment
Derwent from River Rye to Kirkham (GB104027068313)
2024 spills / hours
5 / 3.8
Long-term average
3.8 spills a year (monitored since 2020)
Investigation
UWWTR investigation ongoing, Operational investigation completed
Improvement
No improvement action in reporting period
River Derwent 0 0.0 down 100% 97%
Pier Road CSO
Storm discharge at pumping station
Company site name
WHITBY PIER ROAD/CSO
EA ID / permit
YWS00578 · 27/29/0041
Outlet location
NZ8984011200 (OS grid reference) · View on Apple Maps
WFD catchment
ESK (E) (GB510402703400)
Bathing water
Whitby
2024 spills / hours
5 / 4.5
Long-term average
2.7 spills a year (monitored since 2020)
Investigation
Operational investigation completed
Improvement
No improvement action in reporting period
River Esk (Tidal) 0 0.0 down 100% 92%
North Terrace CSO
Overflow on sewer network
Company site name
NORTH TERRACE/CSO
EA ID / permit
YWS00580 · 27/29/0043
Outlet location
NZ8934011530 (OS grid reference) · View on Apple Maps
WFD catchment
Yorkshire North (GB650401500004)
Bathing water
Whitby
2024 spills / hours
0 / 0.0
Long-term average
0.2 spills a year (monitored since 2020)
Investigation
Operational investigation completed
Improvement
No improvement action in reporting period
The North Sea 0 0.0 no change 100%
Crescent Terrace CSO
Overflow on sewer network
Company site name
CRESCENT TERRACE/CSO
EA ID / permit
YWS00597 · 27/29/0076
Outlet location
NZ8986011380 (OS grid reference) · View on Apple Maps
WFD catchment
ESK (E) (GB510402703400)
Bathing water
Whitby
2024 spills / hours
2 / 1.0
Long-term average
3.3 spills a year (monitored since 2020)
Investigation
No investigation activity in reporting period
Improvement
No improvement action in reporting period
River Esk (Tidal) 0 0.0 down 100% 92%
The Orchard No 2 CSO
Overflow on sewer network
Company site name
THE ORCHARDS/NO 2 CSO
EA ID / permit
YWS00598 · 27/29/0077
Outlet location
NZ8287701589 (OS grid reference) · View on Apple Maps
WFD catchment
Murk Esk from Wheeldale Gill to Eller Beck (GB104027068030)
2024 spills / hours
0 / 0.0
Long-term average
0.0 spills a year (monitored since 2020)
Investigation
Operational investigation completed
Improvement
No improvement action in reporting period
Trib of West Beck / Murk Esk 0 0.0 no change 100%
Wesley Square Staithes SPS
Storm discharge at pumping station
Company site name
WESLEY SQR STAITHES/CSO
EA ID / permit
YWS00600 · 27/29/0079
Outlet location
NZ7811918852 (OS grid reference) · View on Apple Maps
WFD catchment
Staithes Beck from Source to Newton Beck (GB104027068770)
2024 spills / hours
0 / 0.0
Long-term average
0.0 spills a year (monitored since 2020)
Investigation
No investigation activity in reporting period
Improvement
No improvement action in reporting period
Staithes Beck 0 0.0 no change 100%
Nelson Street CSO
Overflow on sewer network
Company site name
NELSON STREET/CSO
EA ID / permit
YWS00619 · 2714
Outlet location
SE1642732569 (OS grid reference) · View on Apple Maps
WFD catchment
Bradford Beck (Clayton Bk to R Aire) (GB104027062862)
2024 spills / hours
3 / 1.0
Long-term average
4.2 spills a year (monitored since 2020)
Monitor below 90%
Comms failure / issue · Resolved - January after reporting year
Investigation
Env Act (SODRP) investigation ongoing
Improvement
No improvement action in reporting period
Bowling Beck 0 0.0 down 100% 2%
Green Lane Junction No 2 CSO
Overflow on sewer network
Company site name
GREEN LANE JUNCTION/2 CSO
EA ID / permit
YWS00623 · 2756
Outlet location
SE1481038038 (OS grid reference) · View on Apple Maps
WFD catchment
Aire (R Worth to Gill Beck) (GB104027063034)
2024 spills / hours
0 / 0.0
Long-term average
0.5 spills a year (monitored since 2020)
Monitor below 90%
Sensor failure / issue · Resolved - Oct
Investigation
Env Act (SODRP) investigation ongoing, Operational investigation completed
Improvement
No improvement action in reporting period
River Aire 0 0.0 no change 23%
Jubilee Terrace CSO
Overflow on sewer network
Company site name
MARBLE ARCH/CSO
EA ID / permit
YWS00645 · 2908
Outlet location
SE5970452016 (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
0.3 spills a year (monitored since 2020)
Investigation
No investigation activity in reporting period
Improvement
No improvement action in reporting period
River Ouse 0 0.0 no change 100%
Westfield Lane CSO
Overflow on sewer network
Company site name
WESTFIELD LANE/CSO
EA ID / permit
YWS00646 · 2913
Outlet location
SE4109030568 (OS grid reference) · View on Apple Maps
WFD catchment
Lin Dike from Source to River Aire (GB104027062810)
2024 spills / hours
1 / 0.5
Long-term average
0.2 spills a year (monitored since 2020)
Investigation
Env Act (SODRP) investigation ongoing
Improvement
No improvement action in reporting period
Hollins Beck 0 0.0 down 100% 94%
Smalley Bight Sewage Works
Overflow on sewer network
Company site name
STANLEY WATER LANE/CSO
EA ID / permit
YWS00656 · EPR/FB3843KA
Outlet location
SE3495823780 (OS grid reference) · View on Apple Maps
WFD catchment
Calder from River Chald to River Aire (GB104027062632)
2024 spills / hours
0 / 0.0
Long-term average
0.0 spills a year (monitored since 2020)
Investigation
No investigation activity in reporting period
Improvement
No improvement action in reporting period
Not Known 0 0.0 no change 100%
Butterthwaite Lane CSO
Overflow on sewer network
Company site name
BUTTERTHWAITE LANE/CSO
EA ID / permit
YWS00662 · 3095
Outlet location
SK3656793974 (OS grid reference) · View on Apple Maps
WFD catchment
Blackburn Brook from Source to River Don (GB104027057440)
2024 spills / hours
0 / 0.0
Long-term average
0.0 spills a year (monitored since 2020)
Investigation
Operational investigation completed
Improvement
No improvement action in reporting period
Blackburn Brook 0 0.0 no change 100%
West Vale
Storm discharge at pumping station
Company site name
ELLAND WEST VALE/SPS
EA ID / permit
YWS00667 · 3112
Outlet location
SE1000821129 (OS grid reference) · View on Apple Maps
WFD catchment
Calder from Ryburn Confluence to River Colne (GB104027062642)
2024 spills / hours
4 / 12
Long-term average
34.4 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
River Calder 0 0.0 down 100% 100%
Bedale Wpc Works Storm Tanks
Overflow on sewer network
Company site name
BROOKSIDE CLOSE/CSO
EA ID / permit
YWS00673 · 3159
Outlet location
SE2738087810 (OS grid reference) · View on Apple Maps
WFD catchment
Bedale/Newton/Burton Bk from Rand Bk to R Swale (GB104027068910)
2024 spills / hours
0 / 0.0
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
Bedale Bk/Swale 0 0.0 no change 100%
Bradgate Lane No 2 CSO
Overflow on sewer network
Company site name
BRADGATE LANE/NO 2 CSO
EA ID / permit
YWS00691 · 3284
Outlet location
SK4089293270 (OS grid reference) · View on Apple Maps
WFD catchment
Don from Greasborough Dyke to River Dearne (GB104027057452)
2024 spills / hours
0 / 0.0
Long-term average
1.3 spills a year (monitored since 2020)
Investigation
Env Act (SODRP) investigation ongoing, Operational investigation completed
Improvement
No improvement action in reporting period
River Moss 0 0.0 no change 99%
The Maltings CSO
Overflow on sewer network
Company site name
THE MALTINGS/CSO
EA ID / permit
YWS00696 · 3317
Outlet location
SK4250992197 (OS grid reference) · View on Apple Maps
WFD catchment
Rother, Doe Lea to Don (GB104027057772)
2024 spills / hours
1 / 0.8
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
River Rother 0 0.0 down 100% 100%
Beverley Works CSO
Overflow on sewer network
Company site name
BEVERLEY WORKS/CSO
EA ID / permit
YWS00714 · 3392
Outlet location
TA0582139337 (OS grid reference) · View on Apple Maps
WFD catchment
Hull from Arram Beck to Humber (GB104026067212)
2024 spills / hours
1 / 0.5
Long-term average
0.7 spills a year (monitored since 2020)
Investigation
Operational investigation completed
Improvement
No improvement action in reporting period
River Hull Tidal 0 0.0 down 100% 100%
Hipper Street South CSO
Overflow on sewer network
Company site name
HIPPER STREET SOUTH/CSO
EA ID / permit
YWS00729 · 3533
Outlet location
SK3831070755 (OS grid reference) · View on Apple Maps
WFD catchment
Hipper from Source to River Rother (GB104027057660)
2024 spills / hours
1 / 0.5
Long-term average
0.8 spills a year (monitored since 2020)
Investigation
Operational investigation completed
Improvement
No improvement action in reporting period
River Hipper 0 0.0 down 100% 100%
Newlay Wood Crescent CSO
Overflow on sewer network
Company site name
NEWLAY WOOD CRESCENT/CSO
EA ID / permit
YWS00734 · 3560
Outlet location
SE2417736993 (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
0.0 spills a year (monitored since 2020)
Investigation
Env Act (SODRP) investigation ongoing, Operational investigation completed
Improvement
No improvement action in reporting period
Kirkstall Forge Goit via SWS 0 0.0 no change 100%
Lebberston Balancing Tank
Overflow on sewer network
Company site name
LEBBERSTON TANK/CSO
EA ID / permit
YWS00762 · 3791(SS)
Outlet location
TA0820082800 (OS grid reference) · View on Apple Maps
WFD catchment
Eastfield Drain Lower to River Hertford (GB104027073281)
2024 spills / hours
0 / 0.0
Long-term average
31.0 spills a year (monitored since 2020)
Investigation
UWWTR investigation ongoing, Operational investigation completed
Improvement
No improvement action in reporting period
Trib River Hertford 0 0.0 no change 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.