Storm overflow register · 2025 annual return

Wessex Water storm overflows, 2025

Wessex Water reported 1,346 storm overflows in England for 2025. Together they recorded 24,442 spills over 190,666 hours, an average of 18.2 spills per overflow against 20.4 across England. That ranks 6 of 10 companies, where 1 is the fewest spills per overflow. Counting the same overflows in both years, spills were down 45% on 2024.

220 overflows did not spill · 62 spilled more than 60 times · 1,308 had monitors working for 90% of the year or more · 242 sewage treatment works with overflows

Hours spilling by month, 2025

020k40k60k80kJan 2025: 60,197 hours spillingJanFeb 2025: 30,296 hours spillingFebMar 2025: 7,928 hours spillingMarApr 2025: 1,385 hours spillingAprMay 2025: 762 hours spillingMayJun 2025: 472 hours spillingJunJul 2025: 218 hours spillingJulAug 2025: 452 hours spillingAugSep 2025: 2,922 hours spillingSepOct 2025: 1,454 hours spillingOctNov 2025: 18,116 hours spillingNovDec 2025: 66,686 hours spillingDec
Hours spilling, all Wessex Water overflows, from the start/stop records. Spills running across a month end are split between the months.

All Wessex 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
Frenchay Park Road CSO
Overflow on sewer network
Company site name
BRISTOL FRENCHAY PARK ROAD O/S NO 201
EA ID / permit
WXW00448 · 101241
Outlet location
ST6313577387 (OS grid reference) · View on Apple Maps
WFD catchment
Frome (Brist) - Bradley Bk to conf Floating Hbr (GB109053027840)
2024 spills / hours
1 / 0.1
Long-term average
0.3 spills a year (monitored since 2019)
Investigation
No investigation activity in reporting period
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 0.1 hours spilling →
Trib of the River Frome 1 0.1 no change 96%
Castle Cary Torbay Road
Overflow on sewer network
EA ID / permit
WXW01146 · Permit applied for
Outlet location
ST6335032400 (OS grid reference) · View on Apple Maps
WFD catchment
Bristol Avon (By Bk to Netham Weir) (GB109053027371)
2024 spills / hours
0 / 0.0
Long-term average
0.5 spills a year (monitored since 2024)
Investigation
No investigation activity in reporting period
Improvement
Operational improvement completed
Volume & pollution
Estimate from 0.1 hours spilling →
Soakaway 1 0.1 up from 0 100%
Talbot Cottage CSO
Overflow on sewer network
Company site name
MERE GARAGE ADJ TO
EA ID / permit
WXW01101 · 401450
Outlet location
ST8153132490 (OS grid reference) · View on Apple Maps
WFD catchment
Shreen Water (including Ashfield Water) (GB108043022450)
2024 spills / hours
3 / 0.5
Long-term average
4.3 spills a year (monitored since 2023)
Investigation
Operational investigation completed
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 0.0 hours spilling →
Shreen Water 1 0.0 down 67% 100%
11 St John'S Road CSO
Overflow on sewer network
Company site name
BATH GROVE STREET / ST JOHNS STREET JUNC NR BETHEL CH
EA ID / permit
WXW00003 · 101185
Outlet location
ST7517065213 (OS grid reference) · View on Apple Maps
WFD catchment
Bristol Avon (By Bk to Netham Weir) (GB109053027371)
2024 spills / hours
7 / 10
Long-term average
4.4 spills a year (monitored since 2019)
Investigation
No investigation activity in reporting period
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 0.0 hours spilling →
River Avon 1 0.0 down 86% 99%
Polebarn Road CSO
Overflow on sewer network
Company site name
TROWBRIDGE ROSECROFT POLEBARN ROAD
EA ID / permit
WXW00863 · EPRJB3891VH
Outlet location
ST8603857775 (OS grid reference) · View on Apple Maps
WFD catchment
Paxcroft Brook (GB109053021830)
2024 spills / hours
0 / 0.0
Long-term average
3.2 spills a year (monitored since 2021)
Investigation
No investigation activity in reporting period
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 0.0 hours spilling →
Paxcroft Brook via SWS 1 0.0 up from 0 100%
Lamplighters Sewage Pumping Station
Storm discharge at pumping station
Company site name
SHIREHAMPTON LAMPLIGHTERS
EA ID / permit
WXW00612 · 011540
Outlet location
ST5263076270 (OS grid reference) · View on Apple Maps
WFD catchment
Not part of a river WB catchment
2024 spills / hours
1 / 0.4
Long-term average
1.4 spills a year (monitored since 2021)
Investigation
No investigation activity in reporting period
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 0.0 hours spilling →
Trib of River Avon (S) 1 0.0 no change 100%
Wood Street Combined Sewer Overflow
Overflow on sewer network
Company site name
CALNE OXFORD ROAD / WOOD STREET
EA ID / permit
WXW01278 · 100774
Outlet location
ST9987571047 (OS grid reference) · View on Apple Maps
WFD catchment
Marden - source to conf Cowage Bk (GB109053022050)
2024 spills / hours
2 / 0.1
Long-term average
1.3 spills a year (monitored since 2019)
Investigation
No investigation activity in reporting period
Improvement
Operational improvement completed
Volume & pollution
Estimate from 0.0 hours spilling →
River Marden via SWS 1 0.0 down 50% 100%
St James Barton CSO
Overflow on sewer network
Company site name
BRISTOL ST JAMES BARTON
EA ID / permit
WXW01038 · 101088
Outlet location
ST5918473221 (OS grid reference) · View on Apple Maps
WFD catchment
Frome (Brist) - Bradley Bk to conf Floating Hbr (GB109053027840)
2024 spills / hours
0 / 0.0
Long-term average
0.7 spills a year (monitored since 2019)
Investigation
No investigation activity in reporting period
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 0.0 hours spilling →
River Frome via SWS 1 0.0 up from 0 98%
Idmiston Pumping Station
Storm discharge at pumping station
Company site name
IDMISTON
EA ID / permit
WXW00574 · 401574
Outlet location
SU1965637579 (OS grid reference) · View on Apple Maps
WFD catchment
Bourne (Hampshire Avon) (GB108043022390)
2024 spills / hours
2 / 0.5
Long-term average
0.7 spills a year (monitored since 2020)
Investigation
Operational investigation completed
Improvement
Operational improvement completed
Volume & pollution
Estimate from 0.0 hours spilling →
River Bourne (S) 1 0.0 down 50% 100%
Mary Street Combined Sewer Overflow
Overflow on sewer network
Company site name
CHIPPENHAM COMMONS SLIP
EA ID / permit
WXW00698 · 100810
Outlet location
ST9244773148 (OS grid reference) · View on Apple Maps
WFD catchment
Avon (Brist) conf R Marden to conf Semington Bk (GB109053027440)
2024 spills / hours
2 / 13
Long-term average
0.4 spills a year (monitored since 2019)
Investigation
No investigation activity in reporting period
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 0.0 hours spilling →
River Avon 1 0.0 down 50% 100%
Henleaze Park Drive CSO
Overflow on sewer network
Company site name
BRISTOL HENLEAZE PARK DRIVE JUNCTION OAKWOOD ROAD
EA ID / permit
WXW00524 · 100458
Outlet location
ST5801977358 (OS grid reference) · View on Apple Maps
WFD catchment
Trym - source to conf R Avon (Brist) (GB109053027530)
2024 spills / hours
0 / 0.0
Long-term average
0.4 spills a year (monitored since 2019)
Investigation
Env Act (SODRP) investigation ongoing
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 0.0 hours spilling →
Trib of River Trym via SWS 1 0.0 up from 0 100%
Trent View CSO
Overflow on sewer network
Company site name
MUDFORD TRENT VIEW IN F/G (A359)
EA ID / permit
WXW01152 · 071726
Outlet location
ST5718619241 (OS grid reference) · View on Apple Maps
WFD catchment
Yeo Ds Over Compton (GB108052015682)
2024 spills / hours
1 / 1.3
Long-term average
0.4 spills a year (monitored since 2019)
Investigation
No investigation activity in reporting period
Improvement
No improvement action in reporting period
Volume & pollution
Estimate from 0.0 hours spilling →
Tributary of the River Yeo 1 0.0 no change 97%
West Road Foundry Pumping Station
Storm discharge at pumping station
Company site name
SYMONDSBURY WEST ROAD FOUNDRY
EA ID / permit
WXW01226 · 402031
Outlet location
SY4546993064 (OS grid reference) · View on Apple Maps
WFD catchment
Simene (GB108044010110)
2024 spills / hours
0 / 0.0
Long-term average
38.5 spills a year (monitored since 2019)
Monitor below 90%
No longer operational as an overflow - permit revoked or to be revoked · No longer operational as an overflow - permit revoked or to be revoked
Investigation
No investigation activity in reporting period
Improvement
No improvement action in reporting period
River Simene – – 100%
Bradford on Avon WwTW
Inlet overflow at sewage works
Sewage works
Bradford On Avon
Company site name
BRADFORD-ON-AVON INLET PS INLET
EA ID / permit
WXW00162 · 102190
Outlet location
ST8152060460 (OS grid reference) · View on Apple Maps
WFD catchment
Bristol Avon (Semington Bk to By Bk) (GB109053027372)
2024 spills / hours
0 / 0.0
Long-term average
0.0 spills a year (monitored since 2017)
Monitor below 90%
No longer operational as an overflow - permit revoked or to be revoked · No longer operational as an overflow - permit revoked or to be revoked
Investigation
No investigation activity in reporting period
Improvement
No improvement action in reporting period
River Avon – – 100%
Evercreech - Sewage Treatment Works
Inlet overflow at sewage works
Sewage works
Evercreech
EA ID / permit
WXW01334 · Unpermitted
Outlet location
ST6456037540 (OS grid reference) · View on Apple Maps
WFD catchment
Alham (GB108052021160)
2024 spills / hours
– / –
Investigation
No investigation activity in reporting period
Improvement
No improvement action in reporting period
River Alham 0 0.0 100%
Frome Wastewater Treatment Works
Inlet overflow at sewage works
Sewage works
Frome
Company site name
FROME WELSHMILL LANE INLET 2
EA ID / permit
WXW01335 · 102222
Outlet location
ST7739048670 (OS grid reference) · View on Apple Maps
WFD catchment
Frome (Maiden Bradley to Mells) (GB109053022101)
2024 spills / hours
– / –
Long-term average
0.0 spills a year (monitored since 2020)
Investigation
Operational investigation completed
Improvement
Operational improvement completed
River Frome(S) 0 0.0 100%
Frome Wastewater Treatment Works
Inlet overflow at sewage works
Sewage works
Frome
Company site name
FROME WELSHMILL LANE INLET
EA ID / permit
WXW00453 · 102222
Outlet location
ST7735248660 (OS grid reference) · View on Apple Maps
WFD catchment
Frome (Maiden Bradley to Mells) (GB109053022101)
2024 spills / hours
2 / 3.8
Long-term average
7.8 spills a year (monitored since 2020)
Investigation
Operational investigation completed
Improvement
Operational improvement completed
River Frome(S) 0 0.0 down 100% 100%
Hullavington WwTW
Inlet overflow at sewage works
Sewage works
Hullavington
Company site name
HULLAVINGTON INLET
EA ID / permit
WXW00567 · 101441
Outlet location
ST8962382856 (OS grid reference) · View on Apple Maps
WFD catchment
Gauze Bk - source to conf R Avon (Brist) (GB109053027730)
2024 spills / hours
0 / 0.0
Long-term average
0.0 spills a year (monitored since 2019)
Monitor below 90%
No longer operational as an overflow - permit revoked or to be revoked · No longer operational as an overflow - permit revoked or to be revoked
Investigation
Operational investigation completed
Improvement
Operational improvement completed
Gauze Brook (S) – – 100%
Poole E STW
Storm discharge at pumping station
Company site name
POOLE CABOT LANE INLET PS
EA ID / permit
WXW00867 · 401354
Outlet location
SZ0108093260 (OS grid reference) · View on Apple Maps
WFD catchment
POOLE HARBOUR (GB520804415800)
Bathing water
Poole Harbour Rockley Sands; Poole Harbour Lake
Shellfish water
Poole Bay; Poole Harbour North; Poole Harbour South; Poole Harbour West
2024 spills / hours
0 / 0.0
Long-term average
1.3 spills a year (monitored since 2017)
Investigation
No investigation activity in reporting period
Improvement
Operational improvement completed
Tributary of Holes Bay(E) 0 0.0 no change 100%
Chilton Polden Pumping Station
Storm discharge at pumping station
Company site name
CHILTON POLDEN MAIN
EA ID / permit
WXW00275 · 072076
Outlet location
ST3769040420 (OS grid reference) · View on Apple Maps
WFD catchment
South Drain (GB108052021181)
2024 spills / hours
13 / 120
Long-term average
13.4 spills a year (monitored since 2021)
Investigation
Env Act (SODRP) investigation ongoing, UWWTR investigation ongoing
Improvement
Operational improvement completed
Nidon Brook (S) 0 0.0 down 100% 100%
Mells Wastewater Treatment Works
Storm tank at sewage works
Sewage works
Mells
Company site name
MELLS STORM TANK
EA ID / permit
WXW00710 · 010059
Outlet location
ST7339048896 (OS grid reference) · View on Apple Maps
WFD catchment
Mells source to conf with Somerset Frome (GB109053022020)
2024 spills / hours
2 / 23
Long-term average
14.7 spills a year (monitored since 2018)
Investigation
No investigation activity in reporting period
Improvement
No improvement action in reporting period
Mells Stream 0 0.0 down 100% 100%
Clevedon the Beach Bifurcation
Overflow on sewer network
EA ID / permit
WXW01328 · Unpermitted
Outlet location
ST4021071730 ST4009071700 (OS grid reference) · View on Apple Maps
WFD catchment
BRISTOL AVON (GB530905415405)
Bathing water
Clevedon Beach
2024 spills / hours
– / –
Long-term average
0.0 spills a year (monitored since 2024)
Investigation
No investigation activity in reporting period
Improvement
No improvement action in reporting period
Bristol Channel (E) 0 0.0 100%
Tortworth Road CSO
Overflow on sewer network
Company site name
BRISTOL TORTWORTH ROAD
EA ID / permit
WXW01147 · NPSWQD010488
Outlet location
ST5997776032 (OS grid reference) · View on Apple Maps
WFD catchment
Frome (Brist) - Bradley Bk to conf Floating Hbr (GB109053027840)
2024 spills / hours
0 / 0.0
Long-term average
7.0 spills a year (monitored since 2021)
Investigation
No investigation activity in reporting period
Improvement
No improvement action in reporting period
Horfield Brook 0 0.0 no change 100%
Duncan Crescent Pumping Station
Storm discharge at pumping station
Company site name
BOVINGTON DUNCAN CRESCENT
EA ID / permit
WXW00385 · 401420
Outlet location
SY8397488935 (OS grid reference) · View on Apple Maps
WFD catchment
Frome Dorset (Lower) d/s Louds Mill Dorchester (GB108044009692)
2024 spills / hours
0 / 0.0
Long-term average
7.3 spills a year (monitored since 2021)
Monitor below 90%
No longer operational as an overflow - permit revoked or to be revoked · No longer operational as an overflow - permit revoked or to be revoked
Investigation
Env Act (SODRP) investigation ongoing
Improvement
No improvement action in reporting period
Tributary of the River Frome – – 100%
Old Mead Walk CSO
Overflow on sewer network
Company site name
BRISTOL OLD MEAD WALK NO 9
EA ID / permit
WXW00823 · 101818
Outlet location
ST5617669091 (OS grid reference) · View on Apple Maps
WFD catchment
Not part of a river WB catchment
2024 spills / hours
5 / 2.5
Long-term average
2.7 spills a year (monitored since 2023)
Monitor below 90%
Telemetry or data archiving failure / issue · Resolved - Dec
Investigation
No investigation activity in reporting period
Improvement
No improvement action in reporting period
Trib . Colliters Brook via SWS 0 0.0 down 100% 67%
Watery Lane Pumping Station
Storm discharge at pumping station
Company site name
STUDLAND WATERY LANE
EA ID / permit
WXW01198 · 041159
Outlet location
SZ0387182448 (OS grid reference) · View on Apple Maps
WFD catchment
Not part of a river WB catchment
2024 spills / hours
1 / 0.3
Long-term average
6.4 spills a year (monitored since 2018)
Monitor below 90%
No longer operational as an overflow - permit revoked or to be revoked · No longer operational as an overflow - permit revoked or to be revoked
Investigation
Env Act (SODRP) investigation ongoing
Improvement
Env Act (SODRP) improvement ongoing
Tributary of Studland Bay – – 100%
Middlezoy Sewage Pumping Station
Storm discharge at pumping station
Company site name
MIDDLEZOY NETHERMOOR ROAD
EA ID / permit
WXW00718 · 101686
Outlet location
ST3777032600 (OS grid reference) · View on Apple Maps
WFD catchment
King's Sedgemoor Drain - Henley Sluice to mouth (GB108052021150)
2024 spills / hours
5 / 34
Long-term average
5.2 spills a year (monitored since 2019)
Investigation
No investigation activity in reporting period
Improvement
No improvement action in reporting period
Tributary of Sowy River (S) 0 0.0 down 100% 91%
Bond Street South CSO
Overflow on sewer network
Company site name
BRISTOL BOND STREET O/S CAR PARK
EA ID / permit
WXW00152 · 101093
Outlet location
ST5948073340 (OS grid reference) · View on Apple Maps
WFD catchment
Frome (Brist) - Bradley Bk to conf Floating Hbr (GB109053027840)
2024 spills / hours
8 / 3.3
Long-term average
3.8 spills a year (monitored since 2019)
Monitor below 90%
Telemetry or data archiving failure / issue · Resolved - Oct
Investigation
No investigation activity in reporting period
Improvement
No improvement action in reporting period
River Frome 0 0.0 down 100% 65%
Harbury Road CSO
Overflow on sewer network
Company site name
BRISTOL HARBURY ROAD / WELLINGTON HILL W
EA ID / permit
WXW00503 · 100471
Outlet location
ST5815577315 (OS grid reference) · View on Apple Maps
WFD catchment
Trym - source to conf R Avon (Brist) (GB109053027530)
2024 spills / hours
3 / 0.2
Long-term average
3.8 spills a year (monitored since 2019)
Investigation
Env Act (SODRP) investigation ongoing
Improvement
No improvement action in reporting period
Trib of River Trym via SWS 0 0.0 down 100% 96%
12 Sidcot Road CSO
Overflow on sewer network
Company site name
BRISTOL SIDCOT
EA ID / permit
WXW00005 · 100585/CS/01
Outlet location
ST6339670669 (OS grid reference) · View on Apple Maps
WFD catchment
Bristol Avon (By Bk to Netham Weir) (GB109053027371)
2024 spills / hours
4 / 0.5
Long-term average
3.1 spills a year (monitored since 2019)
Investigation
No investigation activity in reporting period
Improvement
No improvement action in reporting period
River Avon via SWS 0 0.0 down 100% 100%
Windmill Hill Combined Sewer of
Overflow on sewer network
Company site name
NORTH CURRY WINDMILL HILL
EA ID / permit
WXW01266 · 102264
Outlet location
ST3199925973 (OS grid reference) · View on Apple Maps
WFD catchment
Not part of a river WB catchment
2024 spills / hours
2 / 0.3
Long-term average
3.0 spills a year (monitored since 2019)
Investigation
No investigation activity in reporting period
Improvement
No improvement action in reporting period
Trib of Haymoor Main Drain SWS 0 0.0 down 100% 99%
Bossington Pumping Station
Storm discharge at pumping station
Company site name
BOSSINGTON
EA ID / permit
WXW00154 · 100138
Outlet location
SS8910048500 (OS grid reference) · View on Apple Maps
WFD catchment
Bristol Channel Outer South (GB610807680004)
2024 spills / hours
0 / 0.0
Long-term average
0.0 spills a year (monitored since 2020)
Monitor below 90%
No longer operational as an overflow - permit revoked or to be revoked · No longer operational as an overflow - permit revoked or to be revoked
Investigation
Operational investigation completed
Improvement
Operational improvement completed
Porlock Bay(C) – – 100%
Barton Lane Pumping Station
Storm discharge at pumping station
Company site name
RUISHTON BARTON LANE
EA ID / permit
WXW00106 · NPSWQD001438
Outlet location
ST2653725150 (OS grid reference) · View on Apple Maps
WFD catchment
Tone Ds Taunton (GB108052015482)
2024 spills / hours
3 / 25
Long-term average
2.6 spills a year (monitored since 2021)
Investigation
Env Act (SODRP) investigation ongoing
Improvement
Operational improvement completed
The River Tone 0 0.0 down 100% 100%
Grasmere Road CSO
Overflow on sewer network
Company site name
WEYMOUTH GRASMERE ROAD
EA ID / permit
WXW00477 · 401285
Outlet location
SY6713480939 (OS grid reference) · View on Apple Maps
WFD catchment
Wey (GB108044010210)
2024 spills / hours
0 / 0.0
Long-term average
2.8 spills a year (monitored since 2018)
Investigation
No investigation activity in reporting period
Improvement
No improvement action in reporting period
Radipole Lake 0 0.0 no change 100%
School Road CSO
Overflow on sewer network
Company site name
WESTONZOYLAND LAKEWALL ROAD
EA ID / permit
WXW00963 · 101688
Outlet location
ST3506034490 (OS grid reference) · View on Apple Maps
WFD catchment
King's Sedgemoor Drain - Henley Sluice to mouth (GB108052021150)
2024 spills / hours
2 / 1.7
Long-term average
2.9 spills a year (monitored since 2018)
Investigation
No investigation activity in reporting period
Improvement
No improvement action in reporting period
Pigditch Rhyne 0 0.0 down 100% 100%
West Mill Crescent Pumping Station
Storm discharge at pumping station
Company site name
WAREHAM WEST MILL CRESCENT
EA ID / permit
WXW01223 · 401202
Outlet location
SY9161687923 (OS grid reference) · View on Apple Maps
WFD catchment
Piddle (Lower) (GB108044010080)
Shellfish water
Poole Bay; Poole Harbour North; Poole Harbour South; Poole Harbour West
2024 spills / hours
0 / 0.0
Long-term average
2.9 spills a year (monitored since 2017)
Investigation
Env Act (SODRP) investigation ongoing
Improvement
No improvement action in reporting period
Trib of River Piddle 0 0.0 no change 100%
Mill Hill Pumping Station
Storm discharge at pumping station
Company site name
WELLOW MILL HILL
EA ID / permit
WXW00727 · 103601
Outlet location
ST7417058080 (OS grid reference) · View on Apple Maps
WFD catchment
Wellow Bk - Snails Bk to Bristol Avon (GB109053022271)
2024 spills / hours
2 / 2.1
Long-term average
2.9 spills a year (monitored since 2018)
Investigation
No investigation activity in reporting period
Improvement
No improvement action in reporting period
Wellow Brook 0 0.0 down 100% 100%
Burton Southover PS
Storm discharge at pumping station
Company site name
BURTON BRADSTOCK BURTON SOUTHOVER
EA ID / permit
WXW00215 · 401968
Outlet location
SY4849089360 (OS grid reference) · View on Apple Maps
WFD catchment
Bride (GB108044009550)
Bathing water
Hive
2024 spills / hours
3 / 18
Long-term average
2.7 spills a year (monitored since 2017)
Investigation
No investigation activity in reporting period
Improvement
No improvement action in reporting period
River Bride (S) 0 0.0 down 100% 100%
Warminster Road CSO
Overflow on sewer network
Company site name
BATH WARMINSTER ROAD / SYDNEY ROAD JUNCTION
EA ID / permit
WXW01191 · 102823
Outlet location
ST7589265479 (OS grid reference) · View on Apple Maps
WFD catchment
Bristol Avon (By Bk to Netham Weir) (GB109053027371)
2024 spills / hours
1 / 0.3
Long-term average
1.1 spills a year (monitored since 2019)
Investigation
Operational investigation completed
Improvement
No improvement action in reporting period
Kennet & Avon Canal(via SWS) 0 0.0 down 100% 100%
Broomhill Road CSO
Overflow on sewer network
Company site name
BRISTOL BROOMHILL ROAD / HUBERT CLOSE
EA ID / permit
WXW00205 · 100587/CS/01
Outlet location
ST6339670669 (OS grid reference) · View on Apple Maps
WFD catchment
Bristol Avon (By Bk to Netham Weir) (GB109053027371)
2024 spills / hours
0 / 0.0
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 Avon via SWS 0 0.0 no change 97%
East Street CSO
Overflow on sewer network
Company site name
BRISTOL EAST STREET
EA ID / permit
WXW00397 · 102898
Outlet location
ST5832671454 (OS grid reference) · View on Apple Maps
WFD catchment
The Malago - source to conf R Avon (Brist New Cut) (GB109053021970)
2024 spills / hours
0 / 0.0
Long-term average
2.2 spills a year (monitored since 2019)
Monitor below 90%
Comms failure / issue · Resolved - Oct
Investigation
Operational investigation completed
Improvement
No improvement action in reporting period
Sheene Road Culvert 0 0.0 no change 39%
Church Street Combined Sewer Overfl
Overflow on sewer network
Company site name
BISHOPS LYDEARD CHURCH STREET
EA ID / permit
WXW00288 · 103195
Outlet location
ST1717129627 (OS grid reference) · View on Apple Maps
WFD catchment
Back Stream (GB108052021390)
2024 spills / hours
3 / 0.4
Long-term average
2.6 spills a year (monitored since 2021)
Investigation
No investigation activity in reporting period
Improvement
Operational improvement completed
Trib of the Back Stream 0 0.0 down 100% 100%
Stratton on Fosse WwTW
Storm tank at sewage works
Sewage works
Stratton On Fosse
Company site name
STRATTON ON THE FOSSE STORM TANK
EA ID / permit
WXW01079 · 011558
Outlet location
ST6634050900 (OS grid reference) · View on Apple Maps
WFD catchment
Snails Bk - source to conf Kilmersdon Str (GB109053022240)
2024 spills / hours
3 / 11
Long-term average
2.5 spills a year (monitored since 2022)
Investigation
No investigation activity in reporting period
Improvement
No improvement action in reporting period
Luccombe Watercourse (S) 0 0.0 down 100% 100%
Gills Lane PS
Storm discharge at pumping station
Company site name
ROOKSBRIDGE BRISTOL ROAD
EA ID / permit
WXW00462 · 101956
Outlet location
ST3690052340 (OS grid reference) · View on Apple Maps
WFD catchment
Mark Yeo (GB108052021250)
2024 spills / hours
3 / 18
Long-term average
1.5 spills a year (monitored since 2024)
Investigation
No investigation activity in reporting period
Improvement
No improvement action in reporting period
Unnamed Rhyne(S) 0 0.0 down 100% 100%
St Andrews School Combined Sewer
Overflow on sewer network
Company site name
BURNHAM-ON-SEA ST ANDREWS SCHOOL LOVE LANE
EA ID / permit
WXW01034 · 103857
Outlet location
ST3086049190 (OS grid reference) · View on Apple Maps
WFD catchment
Not part of a river WB catchment
Bathing water
Burnham Jetty North
2024 spills / hours
1 / 0.3
Long-term average
1.3 spills a year (monitored since 2019)
Monitor below 90%
Telemetry or data archiving failure / issue · Resolved - Sep
Investigation
No investigation activity in reporting period
Improvement
No improvement action in reporting period
A Local Ditch 0 0.0 down 100% 85%
Upton French'S Farm Pumping Station
Storm discharge at pumping station
Company site name
UPTON FRENCHS FARM
EA ID / permit
WXW00771 · EPRJB3793WZ
Outlet location
SY9684693154 (OS grid reference) · View on Apple Maps
WFD catchment
Sherford River (GB108044010100)
2024 spills / hours
0 / 0.0
Long-term average
3.0 spills a year (monitored since 2023)
Monitor below 90%
No longer operational as an overflow - permit revoked or to be revoked · No longer operational as an overflow - permit revoked or to be revoked
Investigation
Env Act (SODRP) investigation ongoing
Improvement
No improvement action in reporting period
Tributary of Rock Lea River – – 100%
Mells PS
Storm discharge at pumping station
Company site name
MELLS
EA ID / permit
WXW00709 · 102696
Outlet location
ST7303048980 (OS grid reference) · View on Apple Maps
WFD catchment
Mells source to conf with Somerset Frome (GB109053022020)
2024 spills / hours
4 / 24
Long-term average
2.3 spills a year (monitored since 2019)
Investigation
No investigation activity in reporting period
Improvement
No improvement action in reporting period
Mells Stream(S) 0 0.0 down 100% 100%
Manor House Combined Sewer Overflow
Overflow on sewer network
Company site name
CROSCOMBE MANOR HOUSE OPP
EA ID / permit
WXW00681 · 102500
Outlet location
ST5892944332 (OS grid reference) · View on Apple Maps
WFD catchment
Sheppey (GB108052021221)
2024 spills / hours
6 / 18
Long-term average
2.3 spills a year (monitored since 2019)
Investigation
No investigation activity in reporting period
Improvement
No improvement action in reporting period
River Sheppey (S) 0 0.0 down 100% 96%
Lodge Causeway CSO
Overflow on sewer network
Company site name
BRISTOL LODGE CAUSEWAY O/S 147
EA ID / permit
WXW00634 · 101234
Outlet location
ST6323174958 (OS grid reference) · View on Apple Maps
WFD catchment
Frome (Brist) - Bradley Bk to conf Floating Hbr (GB109053027840)
2024 spills / hours
4 / 0.5
Long-term average
2.0 spills a year (monitored since 2022)
Investigation
Operational investigation completed
Improvement
Operational improvement completed
Coombe Brook via SWS 0 0.0 down 100% 100%
Willsbridge Pumping Station
Storm discharge at pumping station
Company site name
KINGSWOOD WILLSBRIDGE
EA ID / permit
WXW01261 · NPSWQD001439
Outlet location
ST6648970433 ST6649270438 (OS grid reference) · View on Apple Maps
WFD catchment
Siston Bk - source to conf R Avon (Brist) (GB109053027450)
2024 spills / hours
1 / 3.3
Long-term average
1.9 spills a year (monitored since 2019)
Investigation
No investigation activity in reporting period
Improvement
Operational improvement completed
Siston Brook 0 0.0 down 100% 100%

Sewage treatment works

Storm tanks and inlet overflows at each Wessex 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.