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
Byron Street CSO
Overflow on sewer network
Company site name
BYRON STREET/CSO
EA ID / permit
YWS01106 · WA6349
Outlet location
SE3091933975 (OS grid reference) · View on Apple Maps
WFD catchment
Meanwood Beck from Source to River Aire (GB104027062900)
2024 spills / hours
1 / 0.3
Long-term average
1.5 spills a year (monitored since 2020)
Investigation
Env Act (SODRP) investigation ongoing
Improvement
No improvement action in reporting period
Lady Beck 0 0.0 down 100% 93%
Swinton Pumping Station
Storm discharge at pumping station
Company site name
SWINTON LOWFIELD/CSO
EA ID / permit
YWS01113 · 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
0 / 0.0
Long-term average
8.2 spills a year (monitored since 2020)
Investigation
Operational investigation completed
Improvement
No improvement action in reporting period
Trib River Rye 0 0.0 no change 100%
Thearne Ferry Lane No. 2 SPS
Storm discharge at pumping station
Company site name
THEARNE FERRY LN/NO 2 SPS
EA ID / permit
YWS01116 · WA6394
Outlet location
TA0741036880 (OS grid reference) · View on Apple Maps
WFD catchment
Hull from Arram Beck to Humber (GB104026067212)
2024 spills / hours
4 / 7.5
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
R.Hull (Oa)/Nrth Carr Drn (Ob) 0 0.0 down 100% 100%
Tickton Sewage Pumping Station
Overflow on sewer network
Company site name
TICKTON/CSO
EA ID / permit
YWS01120 · WA6435
Outlet location
TA0690041960 (OS grid reference) · View on Apple Maps
WFD catchment
Holderness Drain Source to Fordyke Stream (GB104026066950)
2024 spills / hours
1 / 0.3
Long-term average
0.2 spills a year (monitored since 2020)
Investigation
Operational investigation completed
Improvement
No improvement action in reporting period
Tributary of Holderness Drain 0 0.0 down 100% 100%
Valley Road CSO
Overflow on sewer network
Company site name
VALLEY RD BRADFORD/2 CSO
EA ID / permit
YWS01123 · WA6458
Outlet location
SE1623034700 (OS grid reference) · View on Apple Maps
WFD catchment
Bradford Beck (Clayton Bk to R Aire) (GB104027062862)
2024 spills / hours
6 / 7.8
Long-term average
3.8 spills a year (monitored since 2020)
Investigation
Env Act (SODRP) investigation ongoing, Operational investigation completed
Improvement
No improvement action in reporting period
Bradford Beck 0 0.0 down 100% 100%
Old Whit High Street CSO
Overflow on sewer network
Company site name
OLD WHIT HIGH STREET/CSO
EA ID / permit
YWS01128 · WADC1010
Outlet location
SK3883375169 (OS grid reference) · View on Apple Maps
WFD catchment
Rother, Spittal Brook to Doe Lea (GB104027057771)
2024 spills / hours
7 / 2.5
Long-term average
25.0 spills a year (monitored since 2020)
Investigation
UWWTR investigation ongoing, Operational investigation completed
Improvement
No improvement action in reporting period
Tributary of River Rother 0 0.0 down 100% 98%
Gargrave High Street CSO
Overflow on sewer network
Company site name
GARGRAVE HIGH STREET/CSO
EA ID / permit
YWS01129 · WADC1011
Outlet location
SD9319254088 (OS grid reference) · View on Apple Maps
WFD catchment
Aire from Otterburn Beck to Eshton Beck (GB104027063050)
2024 spills / hours
4 / 7.5
Long-term average
3.3 spills a year (monitored since 2020)
Monitor below 90%
Comms failure / issue · Resolved - Apr
Investigation
Operational investigation completed
Improvement
No improvement action in reporting period
River Aire 0 0.0 down 100% 62%
Clayton Hill CSO
Overflow on sewer network
Company site name
CLAYTON HILL/CSO
EA ID / permit
YWS01134 · WADC1029
Outlet location
SE3267220321 (OS grid reference) · View on Apple Maps
WFD catchment
River Chald from Source to River Calder (GB104027062620)
2024 spills / hours
1 / 0.3
Long-term average
0.2 spills a year (monitored since 2020)
Investigation
Operational investigation completed
Improvement
No improvement action in reporting period
Culverted Trib of Chald Beck 0 0.0 down 100% 100%
Huddersfield Road
Overflow on sewer network
Company site name
PENISTONE RD NEW MILL/CSO
EA ID / permit
YWS01137 · WADC1037
Outlet location
SE1625008918 (OS grid reference) · View on Apple Maps
WFD catchment
New Mill Dike from Source to River Holme (GB104027057610)
2024 spills / hours
0 / 0.0
Long-term average
4.8 spills a year (monitored since 2020)
Monitor below 90%
Comms failure / issue · Resolved - Mar
Investigation
No investigation activity in reporting period
Improvement
No improvement action in reporting period
New Mill Dike 0 0.0 no change 82%
Woodside CSO
Overflow on sewer network
Company site name
WOODSIDE/CSO
EA ID / permit
YWS01140 · WADC1050
Outlet location
SE3142222869 (OS grid reference) · View on Apple Maps
WFD catchment
River Chald from Source to River Calder (GB104027062620)
2024 spills / hours
1 / 0.3
Long-term average
1.3 spills a year (monitored since 2020)
Investigation
No investigation activity in reporting period
Improvement
No improvement action in reporting period
Cut Beck 0 0.0 down 100% 100%
Lillands Lane CSO
Overflow on sewer network
Company site name
LILLANDS LANE/CSO
EA ID / permit
YWS01143 · WADC1074
Outlet location
SE1405722645 (OS grid reference) · View on Apple Maps
WFD catchment
Calder from Ryburn Confluence to River Colne (GB104027062642)
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
River Calder 0 0.0 no change 100%
Palterton Main Street CSO
Overflow on sewer network
Company site name
PALTERTON MAIN STREET/CSO
EA ID / permit
YWS01148 · WADC1112
Outlet location
SK4709368596 (OS grid reference) · View on Apple Maps
WFD catchment
Doe Lea from Source to Hawke Brook (GB104027057290)
2024 spills / hours
0 / 0.0
Long-term average
16.8 spills a year (monitored since 2020)
Monitor below 90%
Sensor failure / issue · Resolved - February after reporting year
Investigation
Env Act (SODRP) investigation completed, UWWTR investigation completed, Operational investigation completed
Improvement
No improvement action in reporting period
Tributary of River Doe Lea 0 0.0 no change 35%
Helperby Market CSO
Overflow on sewer network
Company site name
HELPERBY MARKET/CSO
EA ID / permit
YWS01149 · WADC1121
Outlet location
SE4371569841 (OS grid reference) · View on Apple Maps
WFD catchment
Swale from Wiske to River Ure (GB104027069591)
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
Culv Trib of River Swale 0 0.0 no change 94%
Port Royal SSO
Overflow on sewer network
Company site name
PORT ROYAL/CSO
EA ID / permit
YWS01165 · WADC1240
Outlet location
SE8151037590 (OS grid reference) · View on Apple Maps
WFD catchment
Foulness from Black Beck to Market Weighton Canal (GB104026066690)
2024 spills / hours
1 / 0.5
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
Tributary of River Foulness 0 0.0 down 100% 100%
Old Bridge Inn CSO
Overflow on sewer network
Company site name
OLD BRIDGE INN/CSO
EA ID / permit
YWS01171 · WADC1284
Outlet location
SE0406819791 (OS grid reference) · View on Apple Maps
WFD catchment
River Ryburn from Booth Dean Clough to R Calder (GB104027062580)
2024 spills / hours
0 / 0.0
Long-term average
0.7 spills a year (monitored since 2020)
Investigation
Env Act (SODRP) investigation ongoing
Improvement
No improvement action in reporting period
River Ryburn 0 0.0 no change 100%
Scalby Lane CSO
Overflow on sewer network
Company site name
SCALBY LANE/CSO
EA ID / permit
YWS01174 · WADC1307
Outlet location
SE8373029280 (OS grid reference) · View on Apple Maps
WFD catchment
Not part of a WFD catchment
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
Bishopsoil Drain 0 0.0 no change 100%
Skew Bridge CSO
Overflow on sewer network
Company site name
SKEW BRIDGE/CSO
EA ID / permit
YWS01182 · WADC1338
Outlet location
SD9341921728 (OS grid reference) · View on Apple Maps
WFD catchment
Walsden Water from Source to River Calder (GB104027062600)
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
Operational investigation completed
Improvement
No improvement action in reporting period
Walsden Water 0 0.0 no change 10%
Ings Lane SPS
Storm discharge at pumping station
Company site name
DUNSWELL INGS LANE/CSO
EA ID / permit
YWS01185 · WADC136
Outlet location
TA0739035320 (OS grid reference) · View on Apple Maps
WFD catchment
Hull from Arram Beck to Humber (GB104026067212)
2024 spills / hours
0 / 0.0
Long-term average
0.2 spills a year (monitored since 2020)
Monitor below 90%
Comms failure / issue · Resolved - Aug
Investigation
No investigation activity in reporting period
Improvement
No improvement action in reporting period
Ditch to River Hull 0 0.0 no change 83%
Thurstonland CSO
Overflow on sewer network
Company site name
THURSTONLAND/CSO
EA ID / permit
YWS01198 · WADC1433
Outlet location
SE1604810531 (OS grid reference) · View on Apple Maps
WFD catchment
Holme from New Mill Dike to R Colne (GB104027063301)
2024 spills / hours
1 / 0.3
Long-term average
0.2 spills a year (monitored since 2020)
Investigation
Env Act (SODRP) investigation ongoing, Operational investigation completed
Improvement
No improvement action in reporting period
Tributary of the River Holme 0 0.0 down 100% 100%
Millgate SPS
Storm discharge at pumping station
Company site name
ELLAND MILLGATE/CSO
EA ID / permit
YWS01202 · WADC148
Outlet location
SE1070021200 (OS grid reference) · View on Apple Maps
WFD catchment
Calder from Ryburn Confluence to River Colne (GB104027062642)
2024 spills / hours
0 / 0.0
Long-term average
0.3 spills a year (monitored since 2020)
Investigation
Env Act (SODRP) investigation ongoing, Operational investigation completed
Improvement
No improvement action in reporting period
River Calder 0 0.0 no change 100%
Wilkinson Avenue CSO
Overflow on sewer network
Company site name
WILKINSON AVENUE/CSO
EA ID / permit
YWS01204 · WADC1490
Outlet location
SE6960214687 (OS grid reference) · View on Apple Maps
WFD catchment
North Soak Drain Catchment (trib of Torne/Three Rivers) (GB104028064350)
2024 spills / hours
0 / 0.0
Long-term average
3.8 spills a year (monitored since 2020)
Investigation
Operational investigation completed
Improvement
No improvement action in reporting period
Leonards Drain 0 0.0 no change 100%
Underwood Drive CSO
Overflow on sewer network
Company site name
UNDERWOOD DRIVE/CSO
EA ID / permit
YWS01206 · WADC1506
Outlet location
SE2153138320 (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
3.3 spills a year (monitored since 2020)
Investigation
Env Act (SODRP) investigation ongoing, Operational investigation completed
Improvement
No improvement action in reporting period
Tributary of River Aire 0 0.0 no change 100%
Fangfoss Sewage Pumping Station
Storm discharge at pumping station
Company site name
FANGFOSS MAIN ST/CSO
EA ID / permit
YWS01213 · WADC162
Outlet location
SE7430054800 (OS grid reference) · View on Apple Maps
WFD catchment
Gowthorpe Beck Catch (trib of Blackfoss Beck) (GB104027063490)
2024 spills / hours
1 / 1.3
Long-term average
0.3 spills a year (monitored since 2020)
Investigation
Operational investigation completed
Improvement
No improvement action in reporting period
Ditch 0 0.0 down 100% 100%
Goodmanham SPS
Storm discharge at pumping station
Company site name
GOODMANHAM/CSO
EA ID / permit
YWS01219 · WADC192
Outlet location
SE8836042470 (OS grid reference) · View on Apple Maps
WFD catchment
Foulness from Black Beck to Market Weighton Canal (GB104026066690)
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
Mill Beck 0 0.0 no change 100%
Great Langton SPS
Storm discharge at pumping station
Company site name
SWALE COTTAGES/CSO
EA ID / permit
YWS01220 · WADC195
Outlet location
SE2940096400 (OS grid reference) · View on Apple Maps
WFD catchment
Swale from Clapgate Beck to Bedale Beck (GB104027069122)
2024 spills / hours
3 / 21
Long-term average
2.3 spills a year (monitored since 2020)
Investigation
Operational investigation completed
Improvement
No improvement action in reporting period
River Swale 0 0.0 down 100% 100%
Chestnut Avenue SPS
Storm discharge at pumping station
Company site name
HEDON CHESTNUT AVE/CSO
EA ID / permit
YWS01222 · WADC212
Outlet location
TA1800126301 (OS grid reference) · View on Apple Maps
WFD catchment
Burstwick Drain from Source to Humber (GB104026067200)
2024 spills / hours
1 / 0.3
Long-term average
0.3 spills a year (monitored since 2020)
Investigation
Operational investigation completed
Improvement
No improvement action in reporting period
Burstwick Drain 0 0.0 down 100% 100%
Leeds Road SPS (Ici)
Storm discharge at pumping station
Company site name
HUDDERSFIELD LEEDS RD/CSO
EA ID / permit
YWS01226 · WADC258
Outlet location
SE1650018700 (OS grid reference) · View on Apple Maps
WFD catchment
River Colne from River Holme to River Calder (GB104027062550)
2024 spills / hours
1 / 0.8
Long-term average
0.2 spills a year (monitored since 2020)
Investigation
Env Act (SODRP) investigation ongoing, Operational investigation completed
Improvement
No improvement action in reporting period
Sewer to River Colne 0 0.0 down 100% 100%
Main Road SPS
Storm discharge at pumping station
Company site name
HIGHFIELD RD BUBWITH/CSO
EA ID / permit
YWS01230 · WADC283
Outlet location
SE7215036360 (OS grid reference) · View on Apple Maps
WFD catchment
Birk Lane Drain Catch (trib of Derwent) (GB104027063430)
2024 spills / hours
1 / 1.3
Long-term average
0.2 spills a year (monitored since 2020)
Investigation
Operational investigation completed
Improvement
No improvement action in reporting period
West Linelands South Drain 0 0.0 down 100% 100%
Metal Box SPS
Storm discharge at pumping station
Company site name
METAL BOX/CSO
EA ID / permit
YWS01232 · WADC296
Outlet location
SE1580038500 (OS grid reference) · View on Apple Maps
WFD catchment
Aire (R Worth to Gill Beck) (GB104027063034)
2024 spills / hours
– / –
Long-term average
3.4 spills a year (monitored since 2020)
Investigation
Env Act (SODRP) investigation ongoing, Operational investigation completed
Improvement
No improvement action in reporting period
River Aire 0 0.0 100%
Preston SPS
Storm discharge at pumping station
Company site name
ABBEY LANE HULL/CSO
EA ID / permit
YWS01240 · WADC342
Outlet location
TA1850030700 (OS grid reference) · View on Apple Maps
WFD catchment
Burstwick Drain from Source to Humber (GB104026067200)
2024 spills / hours
0 / 0.0
Long-term average
0.7 spills a year (monitored since 2020)
Investigation
Operational investigation completed
Improvement
No improvement action in reporting period
Nearby Ditch 0 0.0 no change 100%
Sutton Fields SPS
Storm discharge at pumping station
Company site name
SUTTON FIELDS/SPS
EA ID / permit
YWS01252 · WADC412
Outlet location
SE0030044500 (OS grid reference) · View on Apple Maps
WFD catchment
Eastburn Beck from Lothersdale Beck to River Aire (GB104027062960)
2024 spills / hours
1 / 0.5
Long-term average
0.2 spills a year (monitored since 2020)
Investigation
Operational investigation completed
Improvement
No improvement action in reporting period
Holme Beck 0 0.0 down 100% 100%
Wath Road SPS
Storm discharge at pumping station
Company site name
WATH ROAD/CSO
EA ID / permit
YWS01256 · WADC447
Outlet location
SE4101002450 (OS grid reference) · View on Apple Maps
WFD catchment
Knoll Beck from Source to River Dearne (GB104027057470)
2024 spills / hours
1 / 0.3
Long-term average
0.2 spills a year (monitored since 2020)
Investigation
Operational investigation completed
Improvement
No improvement action in reporting period
Dove Canal - River Dearne 0 0.0 down 100% 100%
West End SPS
Storm discharge at pumping station
Company site name
WEST END SEATON ROSS/CSO
EA ID / permit
YWS01259 · WADC453
Outlet location
SE7773041220 (OS grid reference) · View on Apple Maps
WFD catchment
Foulness from Black Beck to Market Weighton Canal (GB104026066690)
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
Pond 0 0.0 no change 100%
Stanfree CSO
Overflow on sewer network
Company site name
STANFREE/CSO
EA ID / permit
YWS01265 · WADC57
Outlet location
SK4745874465 (OS grid reference) · View on Apple Maps
WFD catchment
Hawke Brook from Source to Doe Lea (GB104027057320)
2024 spills / hours
0 / 0.0
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
Trib of Barlborough Brook 0 0.0 no change 100%
109 Station Road
Overflow on sewer network
Company site name
RYHILL STATION ROAD/CSO
EA ID / permit
YWS01267 · WADC626
Outlet location
SE3823514670 (OS grid reference) · View on Apple Maps
WFD catchment
Owler Beck from Source to River Calder (GB104027062530)
2024 spills / hours
5 / 6.3
Long-term average
8.3 spills a year (monitored since 2020)
Investigation
UWWTR investigation ongoing, Operational investigation completed
Improvement
No improvement action in reporting period
Trib of Wintersett Reservoir 0 0.0 down 100% 100%
Chesterfield Road CSO
Overflow on sewer network
Company site name
CHESTERFIELD ROAD/CSO
EA ID / permit
YWS01268 · WADC627
Outlet location
SK4278074668 (OS grid reference) · View on Apple Maps
WFD catchment
Rother, Spittal Brook to Doe Lea (GB104027057771)
2024 spills / hours
0 / 0.0
Long-term average
2.8 spills a year (monitored since 2020)
Monitor below 90%
Sensor failure / issue · Resolved - Nov
Investigation
Operational investigation completed
Improvement
No improvement action in reporting period
River Rother 0 0.0 no change 16%
Harrogate Road CSO
Overflow on sewer network
Company site name
HARROGATE ROAD/CSO
EA ID / permit
YWS01283 · WADC733
Outlet location
SE3094070854 (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
0.0 spills a year (monitored since 2020)
Investigation
Operational investigation completed
Improvement
No improvement action in reporting period
River Skell 0 0.0 no change 95%
Brook Street CSO
Overflow on sewer network
Company site name
BROOK STREET/CSO
EA ID / permit
YWS01291 · WADC761
Outlet location
SD9860851732 (OS grid reference) · View on Apple Maps
WFD catchment
Eller Beck from Haw Beck to River Aire (GB104027063020)
2024 spills / hours
2 / 0.5
Long-term average
1.5 spills a year (monitored since 2020)
Investigation
Operational investigation completed
Improvement
No improvement action in reporting period
Eller Beck 0 0.0 down 100% 100%
Chantry Road SSO
Storm discharge at pumping station
Company site name
CHANTRY ROAD/CSO
EA ID / permit
YWS01298 · WADC810
Outlet location
SE3584093250 (OS grid reference) · View on Apple Maps
WFD catchment
Willow Beck Catchment (trib of Wiske) (GB104027069540)
2024 spills / hours
1 / 1.0
Long-term average
0.2 spills a year (monitored since 2020)
Investigation
Operational investigation completed
Improvement
No improvement action in reporting period
Trib of River Wiske 0 0.0 down 100% 100%
Catwick Lane SPS
Storm discharge at pumping station
Company site name
CATWICK LANE/CSO
EA ID / permit
YWS01300 · WADC83
Outlet location
TA1330046000 (OS grid reference) · View on Apple Maps
WFD catchment
Catchwater Drain (GB104026066970)
2024 spills / hours
10 / 13
Long-term average
15.3 spills a year (monitored since 2020)
Investigation
UWWTR investigation ongoing, Operational investigation ongoing
Improvement
No improvement action in reporting period
Nearby Dyke 0 0.0 down 100% 100%
Claywheels Lane CSO
Overflow on sewer network
Company site name
CLAYWHEELS LANE/CSO
EA ID / permit
YWS01301 · WADC833
Outlet location
SK3279591656 (OS grid reference) · View on Apple Maps
WFD catchment
Don from Little Don to River Loxley confluence (GB104027057411)
2024 spills / hours
3 / 2.5
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
Culv Trib of River Don 0 0.0 down 100% 93%
Honley Eastgate CSO
Overflow on sewer network
Company site name
HONLEY EASTGATE/CSO
EA ID / permit
YWS01307 · WADC895
Outlet location
SE1399912140 (OS grid reference) · View on Apple Maps
WFD catchment
Holme from New Mill Dike to R Colne (GB104027063301)
2024 spills / hours
1 / 0.3
Long-term average
3.5 spills a year (monitored since 2020)
Investigation
Env Act (SODRP) investigation ongoing, Operational investigation completed
Improvement
No improvement action in reporting period
Culv Trib of River Holme 0 0.0 down 100% 98%
Cloverley Close SPS
Storm discharge at pumping station
Company site name
CLOVERLEY CLOSE/CSO
EA ID / permit
YWS01317 · WADC95
Outlet location
SE7095045820 (OS grid reference) · View on Apple Maps
WFD catchment
River Derwent from Kirkham to Elvington Beck (GB104027068312)
2024 spills / hours
1 / 0.5
Long-term average
0.3 spills a year (monitored since 2020)
Investigation
Operational investigation completed
Improvement
No improvement action in reporting period
Surface Water Sewer to Ditch 0 0.0 down 100% 100%
Halfway House SSO
Storm discharge at pumping station
Company site name
HALFWAY HOUSE/CSO
EA ID / permit
YWS01319 · WADC981
Outlet location
SE3686095360 (OS grid reference) · View on Apple Maps
WFD catchment
Willow Beck Catchment (trib of Wiske) (GB104027069540)
2024 spills / hours
20 / 101
Long-term average
9.2 spills a year (monitored since 2020)
Investigation
UWWTR investigation ongoing, Operational investigation completed
Improvement
No improvement action in reporting period
Trib of River Wiske 0 0.0 down 100% 100%
Healey Lane CSO
Overflow on sewer network
Company site name
HEALEY LANE/CSO
EA ID / permit
YWS01321 · NPSWQD002297
Outlet location
SE1230538141 (OS grid reference) · View on Apple Maps
WFD catchment
Aire (R Worth to Gill Beck) (GB104027063034)
2024 spills / hours
6 / 5.3
Long-term average
3.0 spills a year (monitored since 2020)
Investigation
Env Act (SODRP) investigation ongoing, Operational investigation completed
Improvement
No improvement action in reporting period
The River Aire 0 0.0 down 100% 100%
Ings Lane Storm Tanks
Storm discharge at pumping station
Company site name
CASTLEFORD INGS LANE/CSO
EA ID / permit
YWS01328 · WRA6660
Outlet location
SE4350026800 (OS grid reference) · View on Apple Maps
WFD catchment
Aire from Wyke Beck to Fryston Beck (GB104027063036)
2024 spills / hours
6 / 14
Long-term average
4.0 spills a year (monitored since 2023)
Investigation
Env Act (SODRP) investigation ongoing, Operational investigation completed
Improvement
No improvement action in reporting period
River Aire 0 0.0 down 100% 98%
Kilham STW
Inlet overflow at sewage works
Sewage works
Kilham
Company site name
KILHAM/STW
EA ID / permit
YWS01344 · WRA6889
Outlet location
TA0679064140 (OS grid reference) · View on Apple Maps
WFD catchment
Lowthorpe/Kelk/Foston Bks from Source to Frodingham Beck (GB104026067101)
2024 spills / hours
1 / 0.3
Long-term average
0.3 spills a year (monitored since 2020)
Investigation
Operational investigation completed
Improvement
No improvement action in reporting period
Lowthorpe Beck 0 0.0 down 100% 100%
Gilpin Street Dvisa A22 CSO
Overflow on sewer network
Company site name
DVISA A22 GILPIN STREET/CSO
EA ID / permit
YWS01355 · WRA7031
Outlet location
SK3447688633 (OS grid reference) · View on Apple Maps
WFD catchment
Don from River Loxley confl to River Don Works (GB104027057412)
2024 spills / hours
1 / 1.2
Long-term average
0.5 spills a year (monitored since 2020)
Investigation
Operational investigation completed
Improvement
No improvement action in reporting period
River Don 0 0.0 down 100% 100%
Hall Street SSO
Overflow on sewer network
Company site name
HALL STREET/CSO
EA ID / permit
YWS01358 · WRA7115
Outlet location
SD9355024040 (OS grid reference) · View on Apple Maps
WFD catchment
Walsden Water from Source to River Calder (GB104027062600)
2024 spills / hours
0 / 0.0
Long-term average
0.2 spills a year (monitored since 2020)
Monitor below 90%
Comms failure / issue · Resolved - Jun
Investigation
No investigation activity in reporting period
Improvement
No improvement action in reporting period
Walsden Water 0 0.0 no change 79%
Adel Ring Road CSO
Overflow on sewer network
Company site name
ADEL RING ROAD/CSO
EA ID / permit
YWS01387 · WRA7400
Outlet location
SE2772338518 (OS grid reference) · View on Apple Maps
WFD catchment
Meanwood Beck from Source to River Aire (GB104027062900)
2024 spills / hours
0 / 0.0
Long-term average
0.2 spills a year (monitored since 2020)
Investigation
Env Act (SODRP) investigation ongoing
Improvement
No improvement action in reporting period
Trib of Meanwood Beck 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.