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
Aislaby Sewage Pumping Station
Storm discharge at pumping station
Company site name
AISLABY/CSO
EA ID / permit
YWS01278 · WADC7
Outlet location
NZ8550008500 (OS grid reference) · View on Apple Maps
WFD catchment
Esk from Sleddale Beck to Ruswarp (GB104027068150)
2024 spills / hours
1 / 0.3
Long-term average
0.5 spills a year (monitored since 2020)
Investigation
Operational investigation completed
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 4.0 hours spilling →
Ditch 1 4.0 no change 100%
Carr Lane East Ayton CSO
Overflow on sewer network
Company site name
CARR LANE EAST AYTON/CSO
EA ID / permit
YWS01295 · WADC798
Outlet location
SE9919484354 (OS grid reference) · View on Apple Maps
WFD catchment
River Derwent from Troutsdale Beck to River Rye (GB104027067930)
2024 spills / hours
13 / 14
Long-term average
7.2 spills a year (monitored since 2020)
Investigation
No investigation activity in reporting period
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 4.0 hours spilling →
River Derwent 3 4.0 down 77% 100%
Tinker Lane Sewage Pumping Stn
Storm discharge at pumping station
Company site name
TINKER LANE HOYLAND/CSO
EA ID / permit
YWS01472 · WRA7784
Outlet location
SE3561000570 (OS grid reference) · View on Apple Maps
WFD catchment
Dove from Source to River Dearne (GB104027057510)
2024 spills / hours
0 / 0.0
Long-term average
5.3 spills a year (monitored since 2020)
Monitor below 90%
Comms failure / issue · Resolved - Oct
Investigation
Operational investigation completed
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 4.0 hours spilling →
Short Wood Dike 3 4.0 up from 0 88%
Ashgap Lane CSO
Overflow on sewer network
Company site name
ASHGAP LANE/CSO
EA ID / permit
YWS01540 · WRA7989
Outlet location
SE3887023490 (OS grid reference) · View on Apple Maps
WFD catchment
Choke Churl Bk from Source to River Calder (GB104027062590)
2024 spills / hours
7 / 3.5
Long-term average
15.5 spills a year (monitored since 2020)
Investigation
UWWTR investigation ongoing, Operational investigation ongoing
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 4.0 hours spilling →
Ashfield Beck 5 4.0 down 29% 100%
Roundhay Mount No 2 CSO
Overflow on sewer network
Company site name
ROUNDHAY MOUNT/NO 2 CSO
EA ID / permit
YWS01611 · WRA8140
Outlet location
SE3191435892 (OS grid reference) · View on Apple Maps
WFD catchment
Meanwood Beck from Source to River Aire (GB104027062900)
2024 spills / hours
14 / 8.0
Long-term average
15.0 spills a year (monitored since 2020)
Investigation
Env Act (SODRP) investigation ongoing, UWWTR investigation ongoing
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 4.0 hours spilling →
Gipton Beck 11 4.0 down 21% 100%
Prince of Wales Public Sewer
Overflow on sewer network
Company site name
HASTILAR ROAD/CSO
EA ID / permit
YWS01681 · EPR/RB3352TM
Outlet location
SK3931087310 (OS grid reference) · View on Apple Maps
WFD catchment
Car Brook from Source to River Don (GB104027057360)
2024 spills / hours
10 / 8.3
Long-term average
15.0 spills a year (monitored since 2020)
Investigation
UWWTR investigation ongoing
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 4.0 hours spilling →
Car Brook (via Public Sewer) 6 4.0 down 40% 100%
Harrogate Hydro Csos
Overflow on sewer network
Company site name
CAMBRIDGE STREET/CSO
EA ID / permit
YWS00266 · 27/21/0216
Outlet location
SE2995055550 (OS grid reference) · View on Apple Maps
WFD catchment
Oak Beck Catchment (Trib of Nidd) (GB104027063760)
2024 spills / hours
24 / 17
Long-term average
29.2 spills a year (monitored since 2020)
Investigation
Env Act (SODRP) investigation ongoing, UWWTR investigation ongoing, Operational investigation ongoing, Bathing Water and/or Shellfish Water investigation ongoing
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 3.8 hours spilling →
Oak Beck and Coppice Beck 8 3.8 down 67% 95%
Mallorie Park CSO
Overflow on sewer network
Company site name
MALLORIE PARK/CSO
EA ID / permit
YWS00298 · 27/22/0083
Outlet location
SE3102770990 (OS grid reference) · View on Apple Maps
WFD catchment
Skell from River Laver to River Ure (GB104027064140)
2024 spills / hours
8 / 4.5
Long-term average
5.8 spills a year (monitored since 2020)
Investigation
Operational investigation completed
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 3.8 hours spilling →
River Skell via Surface Wtr Sw 5 3.8 down 38% 100%
Aysgarth Falls STW
Inlet overflow at sewage works
Sewage works
Aysgarth Falls
Company site name
AYSGARTH FALLS/STW
EA ID / permit
YWS00315 · 27/22/0153
Outlet location
SE0120088670 (OS grid reference) · View on Apple Maps
WFD catchment
Ure from Duerley Beck to Mill Beck (GB104027069463)
2024 spills / hours
9 / 157
Long-term average
2.5 spills a year (monitored since 2020)
Investigation
Operational investigation completed
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 3.8 hours spilling →
River Ure 4 3.8 down 56% 100%
Colburn Sewage Treatment Works
Inlet overflow at sewage works
Sewage works
Colburn
Company site name
COLBURN/STW
EA ID / permit
YWS00330 · 27/23/0123
Outlet location
SE2053099680 (OS grid reference) · View on Apple Maps
WFD catchment
Swale from Clapgate Beck to Bedale Beck (GB104027069122)
2024 spills / hours
17 / 48
Long-term average
12.4 spills a year (monitored since 2020)
Investigation
UWWTR investigation ongoing
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 3.8 hours spilling →
River Swale 3 3.8 down 82% 100%
Norton Le Clay Sewagepumpingstation
Storm discharge at pumping station
Company site name
NORTON LE CLAY/SPS
EA ID / permit
YWS00369 · 27/23/0274
Outlet location
SE4031071320 (OS grid reference) · View on Apple Maps
WFD catchment
Cundall Beck/Soppa Gutter Catch (trib of Swale) (GB104027068780)
2024 spills / hours
2 / 1.0
Long-term average
9.7 spills a year (monitored since 2020)
Investigation
Operational investigation completed
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 3.8 hours spilling →
Unnamed Trib of Main Goit 4 3.8 up 100% 100%
West Park Ring Road CSO
Overflow on sewer network
Company site name
WEST PARK RING ROAD/CSO
EA ID / permit
YWS00736 · 36
Outlet location
SE2537437881 (OS grid reference) · View on Apple Maps
WFD catchment
Carlton Beck from Source to River Aire (GB104027062920)
2024 spills / hours
19 / 18
Long-term average
27.2 spills a year (monitored since 2020)
Investigation
Env Act (SODRP) investigation ongoing, UWWTR investigation ongoing
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 3.8 hours spilling →
Culvert Trib of Oil Mill Beck 8 3.8 down 58% 100%
Walkington Road SPS
Storm discharge at pumping station
Company site name
LITTLE WEIGHTON/CSO
EA ID / permit
YWS01227 · WADC269
Outlet location
SE9883033930 (OS grid reference) · View on Apple Maps
WFD catchment
Beverley and Barmston Drain (GB104026067211)
2024 spills / hours
4 / 1.8
Long-term average
11.2 spills a year (monitored since 2020)
Monitor below 90%
Comms failure / issue · Resolved - February after reporting year
Investigation
UWWTR investigation ongoing, Operational investigation ongoing
Improvement
Operational improvement ongoing
Volume & pollution
Estimate from 3.8 hours spilling →
Field Ditch 4 3.8 no change 50%
James Street SPS
Storm discharge at pumping station
Company site name
JAMES STREET/CSO
EA ID / permit
YWS01469 · WRA7753
Outlet location
SE4295926283 (OS grid reference) · View on Apple Maps
WFD catchment
Aire from Wyke Beck to Fryston Beck (GB104027063036)
2024 spills / hours
5 / 7.8
Long-term average
6.0 spills a year (monitored since 2020)
Investigation
Env Act (SODRP) investigation ongoing
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 3.8 hours spilling →
River Aire 4 3.8 down 20% 100%
Skell Bridge SPS
Storm discharge at pumping station
Company site name
SKELL BRIDGE/CSO
EA ID / permit
YWS00290 · 27/22/0071
Outlet location
SE3192070930 (OS grid reference) · View on Apple Maps
WFD catchment
Skell from River Laver to River Ure (GB104027064140)
2024 spills / hours
5 / 2.5
Long-term average
5.3 spills a year (monitored since 2020)
Investigation
Operational investigation completed
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 3.5 hours spilling →
River Skell 5 3.5 no change 100%
Pit Lane Combined Sewer Overflow
Overflow on sewer network
Company site name
PIT LANE/NO 2 CSO
EA ID / permit
YWS00409 · 27/24/0240
Outlet location
SE4423033060 (OS grid reference) · View on Apple Maps
WFD catchment
Carr Dike from Source to Green Dike (GB104027063640)
2024 spills / hours
2 / 2.0
Long-term average
1.7 spills a year (monitored since 2020)
Investigation
Operational investigation completed
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 3.5 hours spilling →
Trib of Sheep Dike 4 3.5 up 100% 100%
Marton Bridge Sewage Pumping Statio
Storm discharge at pumping station
Company site name
MARTON BRIDGE/CSO
EA ID / permit
YWS00487 · 27/25/0085
Outlet location
SE7329083180 (OS grid reference) · View on Apple Maps
WFD catchment
Seven from Catter Beck to River Rye (GB104027068440)
2024 spills / hours
7 / 50
Long-term average
32.6 spills a year (monitored since 2020)
Investigation
UWWTR investigation ongoing, Operational investigation completed
Improvement
Operational improvement completed
Volume & pollution
Estimate from 3.5 hours spilling →
River Seven 1 3.5 down 86% 94%
Ramskir Lane No 2 CSO
Overflow on sewer network
Company site name
RAMSKIR LANE/NO 2 CSO
EA ID / permit
YWS00887 · DT/2662
Outlet location
SE6473612031 (OS grid reference) · View on Apple Maps
WFD catchment
North Soak Drain Catchment (trib of Torne/Three Rivers) (GB104028064350)
2024 spills / hours
4 / 2.8
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 3.5 hours spilling →
Stainforth Drain (Ditch) 3 3.5 down 25% 100%
Carlisle Street 129 CSO
Overflow on sewer network
Company site name
CARLISLE STREET EAST/CSO
EA ID / permit
YWS00909 · E4
Outlet location
SK3743789533 (OS grid reference) · View on Apple Maps
WFD catchment
Car Brook from Source to River Don (GB104027057360)
2024 spills / hours
6 / 1.8
Long-term average
6.3 spills a year (monitored since 2020)
Investigation
No investigation activity in reporting period
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 3.5 hours spilling →
Duke of Norfolk'S Culvert 9 3.5 up 50% 100%
Carlisle Street Roundabout CSO
Overflow on sewer network
Company site name
CARLISLE STREET RND/CSO
EA ID / permit
YWS01571 · WRA8087
Outlet location
SK3719588881 (OS grid reference) · View on Apple Maps
WFD catchment
Don from River Loxley confl to River Don Works (GB104027057412)
2024 spills / hours
8 / 4.5
Long-term average
8.5 spills a year (monitored since 2020)
Investigation
Operational investigation completed
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 3.5 hours spilling →
River Don 10 3.5 up 25% 100%
Stoneyrock Lane CSO
Overflow on sewer network
Company site name
STONEYROCK LANE/CSO
EA ID / permit
YWS01712 · WRA8259
Outlet location
SE3105034220 (OS grid reference) · View on Apple Maps
WFD catchment
Meanwood Beck from Source to River Aire (GB104027062900)
2024 spills / hours
15 / 24
Long-term average
10.8 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 3.5 hours spilling →
Stoney Rock Beck 9 3.5 down 40% 100%
Saltaire Road No 2 CSO
Overflow on sewer network
Company site name
SALTAIRE ROAD/NO 2 CSO
EA ID / permit
YWS01986 · WRA8895
Outlet location
SE1281740140 (OS grid reference) · View on Apple Maps
WFD catchment
Aire (R Worth to Gill Beck) (GB104027063034)
2024 spills / hours
15 / 12
Long-term average
18.5 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 3.5 hours spilling →
Loadpit Beck 7 3.5 down 53% 100%
Beech Avenue CSO
Overflow on sewer network
Company site name
BEECH AVENUE/CSO
EA ID / permit
YWS00422 · 27/24/0293
Outlet location
SE5878051100 (OS grid reference) · View on Apple Maps
WFD catchment
Holgate Beck to Ouse (GB104027064001)
2024 spills / hours
10 / 21
Long-term average
5.3 spills a year (monitored since 2020)
Investigation
Operational investigation completed
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 3.3 hours spilling →
Holgate Beck via Public Sewer 4 3.3 down 60% 100%
Deveron Grove No 2 CSO
Overflow on sewer network
Company site name
DEVERON GROVE/NO 2 CSO
EA ID / permit
YWS01527 · WRA7972
Outlet location
SE1347417774 (OS grid reference) · View on Apple Maps
WFD catchment
River Colne from River Holme to River Calder (GB104027062550)
2024 spills / hours
10 / 5.0
Long-term average
5.0 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 3.3 hours spilling →
Clayton Dike 7 3.3 down 30% 100%
Melton Green CSO
Overflow on sewer network
Company site name
MELTON GREEN/CSO
EA ID / permit
YWS01640 · WRA8176
Outlet location
SE4203000430 (OS grid reference) · View on Apple Maps
WFD catchment
River Dearne Darfield STW to River Don (GB104027063173)
2024 spills / hours
9 / 6.0
Long-term average
6.3 spills a year (monitored since 2020)
Investigation
Operational investigation completed
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 3.3 hours spilling →
Brook Dike 6 3.3 down 33% 100%
Ossett Wakefield Road 2 CSO
Overflow on sewer network
Company site name
OSSETT WAKEFIELD RD/2 CSO
EA ID / permit
YWS01859 · WRA8570
Outlet location
SE2844621111 (OS grid reference) · View on Apple Maps
WFD catchment
Calder from River Colne to River Chald (GB104027062631)
2024 spills / hours
3 / 1.0
Long-term average
7.7 spills a year (monitored since 2020)
Investigation
Operational investigation completed
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 3.3 hours spilling →
Clvrt Trib Springfield Beck 7 3.3 up 133% 100%
Hawksworth Road, Horsforth CSO
Overflow on sewer network
Company site name
HAWKSWORTH ROAD/CSO
EA ID / permit
YWS01923 · WRA8694
Outlet location
SE2472037190 (OS grid reference) · View on Apple Maps
WFD catchment
Carlton Beck from Source to River Aire (GB104027062920)
2024 spills / hours
13 / 6.3
Long-term average
15.2 spills a year (monitored since 2020)
Monitor below 90%
Sensor failure / issue · Resolved - Nov
Investigation
Env Act (SODRP) investigation completed, UWWTR investigation completed, Operational investigation completed
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 3.3 hours spilling →
Cow Beck 7 3.3 down 46% 86%
Butt Lane CSO
Overflow on sewer network
Company site name
BUTT LANE/CSO
EA ID / permit
YWS02155 · WRA9273
Outlet location
SE1652407072 (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
1.8 spills a year (monitored since 2020)
Investigation
UWWTR investigation ongoing
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 3.3 hours spilling →
Rakes Dyke 10 3.3 up from 0 99%
Swinton Church Street/CSO
Overflow on sewer network
EA ID / permit
YWS02276 · EPR/JB3499WR
Outlet location
SK4538299153 (OS grid reference) · View on Apple Maps
WFD catchment
Don from Greasborough Dyke to River Dearne (GB104027057452)
2024 spills / hours
5 / 5.3
Long-term average
4.3 spills a year (monitored since 2023)
Investigation
Env Act (SODRP) investigation ongoing, Operational investigation completed
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 3.3 hours spilling →
A tributary of the River Don 8 3.3 up 60% 95%
Lower Mill CSO
Overflow on sewer network
Company site name
LOWER MILL/CSO
EA ID / permit
YWS00035 · 1587
Outlet location
SD9924028786 (OS grid reference) · View on Apple Maps
WFD catchment
Hebden Water from Widdop Beck to R Calder (GB104027062731)
2024 spills / hours
5 / 4.0
Long-term average
3.5 spills a year (monitored since 2020)
Investigation
No investigation activity in reporting period
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 3.0 hours spilling →
Hebden Water 2 3.0 down 60% 100%
East Ardsley No 2 CSO
Overflow on sewer network
Company site name
EAST ARDSLEY/NO 2 CSO
EA ID / permit
YWS00131 · 2397
Outlet location
SE2992026115 (OS grid reference) · View on Apple Maps
WFD catchment
Oulton Beck from Source to River Aire (GB104027062680)
2024 spills / hours
6 / 2.8
Long-term average
6.2 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 3.0 hours spilling →
C. Trib of Lingwell Gate Beck 6 3.0 no change 100%
Boundary Avenue Combined Sewer Overflow
Overflow on sewer network
Company site name
BOUNDARY AVENUE/CSO
EA ID / permit
YWS00954 · EPR/HB3892EW
Outlet location
SE59810617 (OS grid reference) · View on Apple Maps
WFD catchment
Hatfield Waste Drain Catchment (trib of Torne/Three Rivers) (GB104028064330)
2024 spills / hours
8 / 3.3
Long-term average
4.0 spills a year (monitored since 2020)
Investigation
No investigation activity in reporting period
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 3.0 hours spilling →
Not matched in Ea Consents Database 7 3.0 down 13% 100%
Severus Street SSO
Overflow on sewer network
Company site name
SEVERUS STREET/CSO
EA ID / permit
YWS01180 · WADC1321
Outlet location
SE5784351170 (OS grid reference) · View on Apple Maps
WFD catchment
Holgate Beck to Ouse (GB104027064001)
2024 spills / hours
6 / 4.3
Long-term average
8.5 spills a year (monitored since 2020)
Investigation
No investigation activity in reporting period
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 3.0 hours spilling →
Holgate Beck 7 3.0 up 17% 100%
Duncombe Street CSO
Overflow on sewer network
Company site name
DUNCOMBE STREET/CSO
EA ID / permit
YWS01356 · WRA7091
Outlet location
SE1459533261 (OS grid reference) · View on Apple Maps
WFD catchment
Bradford Beck (Clayton Bk to R Aire) (GB104027062862)
2024 spills / hours
3 / 2.3
Long-term average
3.2 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 3.0 hours spilling →
Bradford Beck 4 3.0 up 33% 100%
Kearsley Lne/Daylands Ave/Hameline
Overflow on sewer network
Company site name
KEARSLEY LANE/CSO
EA ID / permit
YWS01382 · WRA7381
Outlet location
SK5097097850 (OS grid reference) · View on Apple Maps
WFD catchment
Kearsley Bk (GB104027064244)
2024 spills / hours
7 / 6.5
Long-term average
6.8 spills a year (monitored since 2020)
Investigation
Operational investigation completed
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 3.0 hours spilling →
Kearsley Brook 6 3.0 down 14% 100%
Lyme Terrace CSO
Overflow on sewer network
Company site name
LYME TERRACE/CSO
EA ID / permit
YWS01646 · WRA8184
Outlet location
SE8240209974 (OS grid reference) · View on Apple Maps
WFD catchment
Ea Beck from Frickley Beck to the Skell (GB104027063200)
2024 spills / hours
2 / 0.8
Long-term average
6.0 spills a year (monitored since 2020)
Monitor below 90%
Sensor failure / issue · Scheduled
Investigation
Env Act (SODRP) investigation ongoing, Operational investigation completed
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 3.0 hours spilling →
Old Ea Beck 8 3.0 up 300% 81%
Prince of Wales Public Sewer
Overflow on sewer network
Company site name
BEAUMONT ROAD/CSO
EA ID / permit
YWS01682 · EPR/RB3354TK
Outlet location
SK3931087310 (OS grid reference) · View on Apple Maps
WFD catchment
Car Brook from Source to River Don (GB104027057360)
2024 spills / hours
11 / 9.5
Long-term average
12.8 spills a year (monitored since 2020)
Investigation
UWWTR investigation ongoing
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 3.0 hours spilling →
Car Brook (via Public Sewer) 6 3.0 down 45% 100%
Prince of Wales Public Sewer
Overflow on sewer network
Company site name
FAIRLEIGH/CSO
EA ID / permit
YWS01684 · WRA8224
Outlet location
SK3931087310 (OS grid reference) · View on Apple Maps
WFD catchment
Car Brook from Source to River Don (GB104027057360)
2024 spills / hours
9 / 5.5
Long-term average
10.3 spills a year (monitored since 2020)
Investigation
UWWTR investigation ongoing, Operational investigation ongoing
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 3.0 hours spilling →
Car Brook (via Public Sewer) 8 3.0 down 11% 100%
Newlay Lane 266 CSO
Overflow on sewer network
Company site name
NEWLAY LANE 266/CSO
EA ID / permit
YWS01853 · WRA8559
Outlet location
SE2386636949 (OS grid reference) · View on Apple Maps
WFD catchment
Aire from Gill Beck (Baildon) to Wyke Beck (GB104027063035)
2024 spills / hours
9 / 5.5
Long-term average
4.2 spills a year (monitored since 2020)
Investigation
Env Act (SODRP) investigation ongoing
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 3.0 hours spilling →
River Aire 10 3.0 up 11% 100%
Fraser Avenue No 2 CSO
Overflow on sewer network
Company site name
FRASER AVENUE/NO 2 CSO
EA ID / permit
YWS01864 · WRA8577
Outlet location
SE2299037650 (OS grid reference) · View on Apple Maps
WFD catchment
Aire from Gill Beck (Baildon) to Wyke Beck (GB104027063035)
2024 spills / hours
20 / 22
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 3.0 hours spilling →
Tributary of River Aire 6 3.0 down 70% 97%
Grasshill Farm CSO
Overflow on sewer network
Company site name
GRASSHILL FARM/CSO
EA ID / permit
YWS01934 · WRA8716
Outlet location
SK4003067690 (OS grid reference) · View on Apple Maps
WFD catchment
Rother from Redleadmill Brook to Spital Brook (GB104027057630)
2024 spills / hours
4 / 5.8
Long-term average
4.7 spills a year (monitored since 2020)
Investigation
Env Act (SODRP) investigation ongoing
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 3.0 hours spilling →
River Rother 3 3.0 down 25% 100%
Church View CSO
Overflow on sewer network
Company site name
CHURCH VIEW/CSO
EA ID / permit
YWS02002 · WRA9094
Outlet location
SK3700070870 (OS grid reference) · View on Apple Maps
WFD catchment
Hipper from Source to River Rother (GB104027057660)
2024 spills / hours
2 / 3.8
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 3.0 hours spilling →
River Hipper 7 3.0 up 250% 100%
Churwell Hill CSO
Overflow on sewer network
Company site name
CHURWELL HILL/CSO
EA ID / permit
YWS02015 · WRA9109
Outlet location
SE2765129885 (OS grid reference) · View on Apple Maps
WFD catchment
Milshaw Beck from Source to Low/Wortley/Pudsey Bks (GB104027062750)
2024 spills / hours
6 / 2.8
Long-term average
4.3 spills a year (monitored since 2020)
Investigation
Env Act (SODRP) investigation ongoing
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 3.0 hours spilling →
Farnley Wood Beck 5 3.0 down 17% 100%
Chapel Street CSO
Overflow on sewer network
Company site name
THIRSK CHAPEL STREET/CSO
EA ID / permit
YWS00378 · 27/23/0287
Outlet location
SE4315082000 (OS grid reference) · View on Apple Maps
WFD catchment
Cod Beck from Spital Beck to River Swale (GB104027068820)
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 2.8 hours spilling →
Cod Beck 3 2.8 up from 0 100%
Brunswick Primary School CSO
Overflow on sewer network
Company site name
BRUNSWICK SCHOOL/CSO
EA ID / permit
YWS00741 · 3655
Outlet location
SK4244885418 (OS grid reference) · View on Apple Maps
WFD catchment
Rother, Doe Lea to Don (GB104027057772)
2024 spills / hours
6 / 2.8
Long-term average
8.2 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 2.8 hours spilling →
Shirtcliff Brook 7 2.8 up 17% 100%
Wentworth Road Jump CSO
Overflow on sewer network
Company site name
WENTWORTH ROAD JUMP/2 CSO
EA ID / permit
YWS01515 · WRA7959
Outlet location
SE3825000810 (OS grid reference) · View on Apple Maps
WFD catchment
Knoll Beck from Source to River Dearne (GB104027057470)
2024 spills / hours
8 / 11
Long-term average
10.8 spills a year (monitored since 2020)
Investigation
UWWTR investigation ongoing, Operational investigation completed
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 2.8 hours spilling →
Jump Valley Stream 3 2.8 down 63% 99%
Bayswater Road CSO
Overflow on sewer network
Company site name
BAYSWATER ROAD/CSO
EA ID / permit
YWS01978 · WRA8820
Outlet location
SE3140035026 (OS grid reference) · View on Apple Maps
WFD catchment
Meanwood Beck from Source to River Aire (GB104027062900)
2024 spills / hours
7 / 2.3
Long-term average
7.2 spills a year (monitored since 2020)
Investigation
Env Act (SODRP) investigation ongoing, UWWTR investigation ongoing
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 2.8 hours spilling →
Gipton Beck 7 2.8 no change 100%
Staithes Road No.2 SPS
Overflow on sewer network
Company site name
STAITHES RD PRESTON/CSO
EA ID / permit
YWS01991 · WRA9026
Outlet location
TA1816030260 (OS grid reference) · View on Apple Maps
WFD catchment
Burstwick Drain from Source to Humber (GB104026067200)
2024 spills / hours
1 / 0.8
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 2.8 hours spilling →
Unnamed Trib of Redmere Sewer 4 2.8 up 300% 100%
Ridgeway Well CSO
Overflow on sewer network
Company site name
RIDGEWAY WELL/CSO
EA ID / permit
YWS02104 · WRA9210
Outlet location
SK4042381657 (OS grid reference) · View on Apple Maps
WFD catchment
The Moss from Source to River Rother (GB104027057720)
2024 spills / hours
2 / 1.0
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 2.8 hours spilling →
Tributary of the Moss 5 2.8 up 150% 100%
Sherburn SSO
Overflow on sewer network
Company site name
ST HILDAS STREET/CSO
EA ID / permit
YWS02241 · YWUCD2/98
Outlet location
SE9588277556 (OS grid reference) · View on Apple Maps
WFD catchment
Sherburn Beck catchment (trib of Derwent) (GB104027067800)
2024 spills / hours
6 / 3.3
Long-term average
8.2 spills a year (monitored since 2020)
Investigation
Operational investigation completed
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 2.8 hours spilling →
East Beck 6 2.8 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.