MCBA Water Treatment Knowledge Hub

Storm overflow register · 2025 annual return

South West Water storm overflows, 2025

South West Water reported 1,365 storm overflows in England for 2025. Together they recorded 46,164 spills over 407,006 hours, an average of 33.8 spills per overflow against 20.4 across England. That ranks 10 of 10 companies, where 1 is the fewest spills per overflow. Counting the same overflows in both years, spills were down 18% on 2024.

178 overflows did not spill · 275 spilled more than 60 times · 1,313 had monitors working for 90% of the year or more · 334 sewage treatment works with overflows

Hours spilling by month, 2025

050k100k150k200kJan 2025: 84,216 hours spillingJanFeb 2025: 45,207 hours spillingFebMar 2025: 9,740 hours spillingMarApr 2025: 21,006 hours spillingAprMay 2025: 2,363 hours spillingMayJun 2025: 8,257 hours spillingJunJul 2025: 1,289 hours spillingJulAug 2025: 2,570 hours spillingAugSep 2025: 11,756 hours spillingSepOct 2025: 9,772 hours spillingOctNov 2025: 60,065 hours spillingNovDec 2025: 150,480 hours spillingDec
Hours spilling, all South West Water overflows, from the start/stop records. Spills running across a month end are split between the months.

All South West 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
Sampford Courtney STW
Storm tank at sewage works
Sewage works
Sampford Courtney
Company site name
SAMPFORD COURTENAY STW_SSO_SAMPFORD COUR
EA ID / permit
SBB01046 · NRA-SW-3657
Outlet location
SS63370117 (OS grid reference) · View on Apple Maps
WFD catchment
Hole Brook (GB108050014090)
2024 spills / hours
0 / 0.0
Long-term average
2.8 spills a year (monitored since 2021)
Investigation
No investigation activity in reporting period
Improvement
No improvement action in reporting period
 Tributary of Hole Brook 0 0.0 no change 100%
Tan Lane Pumping Station
Storm discharge at pumping station
Company site name
TAN LANE SPS_PSCSOEO_EXETER
EA ID / permit
SBB01207 · 201629
Outlet location
SX92049135 (OS grid reference) · View on Apple Maps
WFD catchment
Alphin Brook (GB108045009020)
Shellfish water
Exe Estuary
2024 spills / hours
1 / 0.4
Long-term average
2.8 spills a year (monitored since 2016)
Investigation
No investigation activity in reporting period
Improvement
No improvement action in reporting period
 Trib of the Alphin Brook 0 0.0 down 100% 100%
Monument Road CSO
Overflow on sewer network
Company site name
THE MONUMENT_CSO_HELSTON
EA ID / permit
SBB00798 · 033996/CS/01
Outlet location
SW65532731 (OS grid reference) · View on Apple Maps
WFD catchment
Lower River Cober (GB108048001172)
2024 spills / hours
0 / 0.0
Long-term average
2.4 spills a year (monitored since 2016)
Investigation
No investigation activity in reporting period
Improvement
No improvement action in reporting period
 River Cober via SWS 0 0.0 no change 100%
Sticklepath Bridge CSO
Overflow on sewer network
Company site name
STICKLEPATH BRIDGE_CSO_STICKLEPATH
EA ID / permit
SBB01171 · 201713
Outlet location
SX64359402 (OS grid reference) · View on Apple Maps
WFD catchment
Taw (Source to Bullow Brook) (GB108050008250)
2024 spills / hours
9 / 173
Long-term average
2.3 spills a year (monitored since 2021)
Investigation
No investigation activity in reporting period
Improvement
No improvement action in reporting period
 River Taw (S) 0 0.0 down 100% 100%
8 High Street CSO
Overflow on sewer network
Company site name
8 HIGH STREET_CSO_HATHERLEIGH
EA ID / permit
SBB00035 · 201775
Outlet location
SS54050422 (OS grid reference) · View on Apple Maps
WFD catchment
Lower River Lew (Torridge) (GB108050008220)
2024 spills / hours
3 / 0.2
Long-term average
2.2 spills a year (monitored since 2016)
Investigation
No investigation activity in reporting period
Improvement
No improvement action in reporting period
 River Lew via SWS 0 0.0 down 100% 97%
Victoria Lodge PS CSO/EO
Storm discharge at pumping station
Company site name
VICTORIA LODGE SPS_PSCSOEO_MALPAS
EA ID / permit
SBB01306 · 302827
Outlet location
SW84144251 (OS grid reference) · View on Apple Maps
WFD catchment
Not part of a WFD catchment
Shellfish water
Fal Estuary
2024 spills / hours
0 / 0.0
Long-term average
2.1 spills a year
Investigation
No investigation activity in reporting period
Improvement
No improvement action in reporting period
 Truro River Estuary System(E) 0 0.0 no change 100%
Yarrow Bank Pumping Station
Storm discharge at pumping station
Company site name
YARROW BANK SPS_PSCSOEO_KINGSWEAR
EA ID / permit
SBB01385 · 200472/PC/01
Outlet location
SX88435080 (OS grid reference) · View on Apple Maps
WFD catchment
DART (GB510804605900)
2024 spills / hours
8 / 130
Long-term average
2.0 spills a year (monitored since 2022)
Investigation
No investigation activity in reporting period
Improvement
Env Act (SODRP) improvement ongoing
 Dart Estuary (Tidal) 0 0.0 down 100% 100%
Burrington CSO
Overflow on sewer network
Company site name
BURRINGTON_CSO_BURRINGTON
EA ID / permit
SBB00193 · 202225
Outlet location
SS63571678 (OS grid reference) · View on Apple Maps
WFD catchment
Mole (Taw to Bray) (GB108050014380)
2024 spills / hours
6 / 116
Long-term average
2.0 spills a year (monitored since 2023)
Investigation
No investigation activity in reporting period
Improvement
No improvement action in reporting period
 Tributary of River Taw(S) 0 0.0 down 100% 100%
Challaborough Pscso/EO
Storm discharge at pumping station
Company site name
CHALLABOROUGH SPST_PSCSOEO_CHALLABOROUGH
EA ID / permit
SBB00228 · 202602
Outlet location
SX64884494 (OS grid reference) · View on Apple Maps
WFD catchment
Not part of a WFD catchment
Bathing water
Challaborough
2024 spills / hours
0 / 0.0
Long-term average
1.8 spills a year (monitored since 2010)
Investigation
No investigation activity in reporting period
Improvement
No improvement action in reporting period
 Challaborough Stream(S) 0 0.0 no change 100%
Promenade CSO- Ilfracombe Resewerag
Overflow on sewer network
Company site name
PROMENADE_CSO_ILFRACOMBE
EA ID / permit
SBB00989 · 004366/CS/01
Outlet location
SS51894782 (OS grid reference) · View on Apple Maps
WFD catchment
Not part of a WFD catchment
2024 spills / hours
2 / 0.6
Long-term average
1.7 spills a year (monitored since 2010)
Investigation
No investigation activity in reporting period
Improvement
No improvement action in reporting period
 West Wilder Brook 0 0.0 down 100% 100%
Shipwrights Pumping Station
Storm discharge at pumping station
Company site name
SHIPWRIGHTS SPS_PSCSOEO_HELFORD
EA ID / permit
SBB01084 · 303454
Outlet location
SW75842620 (OS grid reference) · View on Apple Maps
WFD catchment
Not part of a WFD catchment
Shellfish water
Helford River
2024 spills / hours
0 / 0.0
Long-term average
1.6 spills a year (monitored since 2015)
Investigation
No investigation activity in reporting period
Improvement
Env Act (SODRP) improvement ongoing
 The Helford Creek(E) 0 0.0 no change 100%
Winsham Wastewater Treatment Works
Inlet overflow at sewage works
Sewage works
Winsham
Company site name
WINSHAM STW_SO_WINSHAM
EA ID / permit
SBB01371 · DRA 1539
Outlet location
ST37520599 (OS grid reference) · View on Apple Maps
WFD catchment
Upper Axe (GB108045014840)
2024 spills / hours
0 / 0.0
Long-term average
1.6 spills a year (monitored since 2016)
Investigation
No investigation activity in reporting period
Improvement
No improvement action in reporting period
 River Axe 0 0.0 no change 99%
Newton St Cyres STW
Inlet overflow at sewage works
Sewage works
Newton St Cyres
Company site name
NEWTON ST CYRES STW_SO_NEWTON ST CYRES
EA ID / permit
SBB00836 · NRA-SW-0247
Outlet location
SX88859814 (OS grid reference) · View on Apple Maps
WFD catchment
Lower Creedy (GB108045009070)
2024 spills / hours
3 / 36
Long-term average
1.4 spills a year (monitored since 2021)
Investigation
Env Act (SODRP) investigation ongoing
Improvement
No improvement action in reporting period
 (S) River Creedy 0 0.0 down 100% 100%
Brook House SSO
Overflow on sewer network
Company site name
BROOK HOUSE_CSO_DAWLISH
EA ID / permit
SBB00172 · 200820
Outlet location
SX95447679 (OS grid reference) · View on Apple Maps
WFD catchment
Dawlish Water (GB108045008910)
Bathing water
Dawlish Town
2024 spills / hours
0 / 0.0
Long-term average
1.4 spills a year
Investigation
No investigation activity in reporting period
Improvement
Bathing Water and/or Shellfish Water improvement ongoing
 Dawlish Water (S) 0 0.0 no change 99%
28 Clifton Road CSO
Overflow on sewer network
Company site name
28 CLIFTON RD_CSO_EXETER
EA ID / permit
SBB00022 · EPRDB3293NC
Outlet location
SX92249188 (OS grid reference) · View on Apple Maps
WFD catchment
Exe (Creedy to Estuary) (GB108045009040)
Shellfish water
Exe Estuary
2024 spills / hours
0 / 0.0
Long-term average
1.4 spills a year (monitored since 2017)
Investigation
Env Act (SODRP) investigation ongoing
Improvement
Env Act (SODRP) improvement ongoing
 River Exe via SWS 0 0.0 no change 100%
2 Dryden Road CSO
Overflow on sewer network
Company site name
2 DRYDEN RD_CSO_EXETER
EA ID / permit
SBB00015 · 201910
Outlet location
SX94309124 (OS grid reference) · View on Apple Maps
WFD catchment
North Brook (East Devon) (GB108045009050)
Shellfish water
Exe Estuary
2024 spills / hours
0 / 0.0
Long-term average
1.3 spills a year (monitored since 2017)
Monitor below 90%
Comms failure / issue · Resolved - Aug
Investigation
Env Act (SODRP) investigation ongoing
Improvement
No improvement action in reporting period
 North Brook via SWS 0 0.0 no change 77%
Winsford Park Pscso/EO
Storm discharge at pumping station
Company site name
WINSTON PARK_PSCSOEO_SOUTH MOLTON
EA ID / permit
SBB01368 · 202184
Outlet location
SS71482621 (OS grid reference) · View on Apple Maps
WFD catchment
Mole (Yeo to Burcombe Stream) (GB108050014130)
2024 spills / hours
3 / 6.8
Long-term average
1.3 spills a year (monitored since 2022)
Investigation
No investigation activity in reporting period
Improvement
No improvement action in reporting period
 Trib of River Mole 0 0.0 down 100% 100%
St Martins Lane CSO
Overflow on sewer network
Company site name
ST MARTINS LANE_CSO_CREDITON
EA ID / permit
SBB01148 · 201877
Outlet location
SS84480041 (OS grid reference) · View on Apple Maps
WFD catchment
Middle Creedy (GB108045009090)
2024 spills / hours
5 / 0.8
Long-term average
1.3 spills a year (monitored since 2021)
Investigation
No investigation activity in reporting period
Improvement
No improvement action in reporting period
 Stream (S) 0 0.0 down 100% 100%
West Hoe Pumping Station
Storm discharge at pumping station
Company site name
WEST HOE TANKS SPS_PSCSOEO_PLYMOUTH
EA ID / permit
SBB01343 · 300616/PE/01
Outlet location
SX47195357 (OS grid reference) · View on Apple Maps
WFD catchment
Not part of a WFD catchment
Bathing water
Plymouth Firestone Bay
2024 spills / hours
0 / 0.0
Long-term average
1.2 spills a year (monitored since 2010)
Investigation
No investigation activity in reporting period
Improvement
Env Act (SODRP) improvement ongoing
 Plymouth Sound (E) 0 0.0 no change 100%
Watery Lane CSO
Overflow on sewer network
Company site name
WATERY LANE_CSO_GREAT TORRINGTON
EA ID / permit
SBB01322 · 200078/CS/01
Outlet location
SS49921886 (OS grid reference) · View on Apple Maps
WFD catchment
Torridge (Lew to Estuary) (GB108050014660)
Shellfish water
Taw-Torridge Estuary
2024 spills / hours
0 / 0.0
Long-term average
1.1 spills a year (monitored since 2017)
Investigation
No investigation activity in reporting period
Improvement
No improvement action in reporting period
 Castle Hill Stream via SWS 0 0.0 no change 100%
Dockyard No.1
Storm discharge at pumping station
Company site name
DOCKYARD No1 SPS_PSCSOEO_PLYMOUTH
EA ID / permit
SBB00370 · 301985
Outlet location
SX44605589 (OS grid reference) · View on Apple Maps
WFD catchment
Not part of a WFD catchment
2024 spills / hours
1 / 0.6
Long-term average
1.1 spills a year (monitored since 2016)
Monitor below 90%
Power failure / issue · Resolved - Mar
Investigation
No investigation activity in reporting period
Improvement
No improvement action in reporting period
 River Tamar (Estuarine) 0 0.0 down 100% 87%
Lynton/Lynmouth
Overflow on sewer network
Company site name
BOTTOM MEADOW_CSO_LYNTON
EA ID / permit
SBB00730 · 004518/CS/01
Outlet location
SS72094929 (OS grid reference) · View on Apple Maps
WFD catchment
West Lyn River (GB108051020600)
Bathing water
Lynmouth
2024 spills / hours
2 / 0.3
Long-term average
1.1 spills a year (monitored since 2010)
Investigation
No investigation activity in reporting period
Improvement
No improvement action in reporting period
 Lady Well Stream (S) 0 0.0 down 100% 100%
Paris Street CSO
Overflow on sewer network
Company site name
PARIS STREET_CSO_EXETER
EA ID / permit
SBB00905 · 201895
Outlet location
SX92239188 (OS grid reference) · View on Apple Maps
WFD catchment
Exe (Creedy to Estuary) (GB108045009040)
Shellfish water
Exe Estuary
2024 spills / hours
2 / 1.1
Long-term average
1.0 spills a year (monitored since 2021)
Investigation
Env Act (SODRP) investigation ongoing
Improvement
Env Act (SODRP) improvement ongoing
 River Exe via SWS 0 0.0 down 100% 100%
Riverside CSO
Overflow on sewer network
Company site name
RIVERSIDE_CSO_BOVEY TRACEY
EA ID / permit
SBB01030 · 201804
Outlet location
SX81637819 (OS grid reference) · View on Apple Maps
WFD catchment
Lower Bovey (GB108046008470)
Shellfish water
Teign Estuary
2024 spills / hours
1 / 0.2
Long-term average
1.0 spills a year (monitored since 2017)
Investigation
Env Act (SODRP) investigation ongoing
Improvement
No improvement action in reporting period
 River Bovey via Sw Sewer 0 0.0 down 100% 100%
Lower Collapark CSO
Overflow on sewer network
Company site name
LOWER COLLAPARK_CSO_TOTNES
EA ID / permit
SBB00711 · EPRDB3993NS
Outlet location
SX80056071 (OS grid reference) · View on Apple Maps
WFD catchment
Not part of a WFD catchment
Bathing water
Steamer Quay, Dart Estuary
Shellfish water
Dart
2024 spills / hours
1 / 0.4
Long-term average
1.0 spills a year (monitored since 2018)
Investigation
No investigation activity in reporting period
Improvement
No improvement action in reporting period
 Malt Mill Lake via SWS 0 0.0 down 100% 100%
Portmarsh CSO
Overflow on sewer network
Company site name
PORTMARSH FIELDS_CSO_BARNSTAPLE
EA ID / permit
SBB00970 · 203283
Outlet location
SS56403262 (OS grid reference) · View on Apple Maps
WFD catchment
Coney Gut (GB108050019980)
Shellfish water
Taw-Torridge Estuary
2024 spills / hours
0 / 0.0
Long-term average
1.0 spills a year (monitored since 2016)
Investigation
No investigation activity in reporting period
Improvement
No improvement action in reporting period
 Trib of River Taw Estuary (S) 0 0.0 no change 100%
Lake Lane Pumping Station
Storm discharge at pumping station
Company site name
LAKE LANE SPS_PSCSOEO_LISKEARD
EA ID / permit
SBB00657 · 301852
Outlet location
SX26216447 (OS grid reference) · View on Apple Maps
WFD catchment
Seaton (GB108048002320)
2024 spills / hours
0 / 0.0
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
 Trib of River Seaton 0 0.0 no change 100%
Mill Street Combined Sewer Overflow
Overflow on sewer network
Company site name
28 MILL ST_CSO_CREDITON
EA ID / permit
SBB01428 · 201863
Outlet location
SS84180030 (OS grid reference) · View on Apple Maps
WFD catchment
Middle Creedy (GB108045009090)
2024 spills / hours
3 / 0.8
Long-term average
1.0 spills a year (monitored since 2023)
Investigation
No investigation activity in reporting period
Improvement
No improvement action in reporting period
 Tributary of River Creedy 0 0.0 down 100% 99%
Buckerell Pumping Station
Storm discharge at pumping station
Company site name
BUCKERELL MANHOLE SPS_PSCSOEO_BUCKERELL
EA ID / permit
SBB00177 · 201642
Outlet location
ST12230085 (OS grid reference) · View on Apple Maps
WFD catchment
Lower River Otter (GB108045009170)
2024 spills / hours
2 / 3.3
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
 Tributary of River Otter 0 0.0 down 100% 99%
50 Castle Park CSO
Overflow on sewer network
Company site name
CASTLE PARK_CSO_HEMYOCK
EA ID / permit
SBB00031 · 201851
Outlet location
ST13611358 (OS grid reference) · View on Apple Maps
WFD catchment
Middle Culm (GB108045014980)
2024 spills / hours
2 / 0.3
Long-term average
1.0 spills a year (monitored since 2022)
Investigation
No investigation activity in reporting period
Improvement
No improvement action in reporting period
 Stream (S) 0 0.0 down 100% 98%
Breageside Pumping Station (Porthle
Storm discharge at pumping station
Company site name
BREAGESIDE SPS_PSCSOEO_PORTHLEVEN
EA ID / permit
SBB00149 · 300392/PC/01
Outlet location
SW62822561 (OS grid reference) · View on Apple Maps
WFD catchment
Not part of a WFD catchment
Bathing water
Porthleven Sands
2024 spills / hours
0 / 0.0
Long-term average
0.9 spills a year (monitored since 2010)
Investigation
No investigation activity in reporting period
Improvement
No improvement action in reporting period
 Mounts Bay, English Channel 0 0.0 no change 100%
Newport Park Pumping Station
Storm discharge at pumping station
Company site name
NEWPORT PARK SPS_PSCSOEO_EXETER
EA ID / permit
SBB00835 · 201631
Outlet location
SX95418899 (OS grid reference) · View on Apple Maps
WFD catchment
Not part of a WFD catchment
Shellfish water
Exe Estuary
2024 spills / hours
1 / 1.0
Long-term average
0.9 spills a year (monitored since 2016)
Investigation
No investigation activity in reporting period
Improvement
No improvement action in reporting period
 Trib of River Exe (Estuarine) 0 0.0 down 100% 100%
Higher Netherton SPS
Storm discharge at pumping station
Company site name
HIGHER NETHERTON SPS_PSCSOEO_NETHERTON
EA ID / permit
SBB00573 · 002660/PC/01
Outlet location
SX89197136 (OS grid reference) · View on Apple Maps
WFD catchment
Not part of a WFD catchment
Shellfish water
Teign Estuary
2024 spills / hours
20 / 399
Long-term average
11.9 spills a year (monitored since 2010)
Investigation
Env Act (SODRP) investigation ongoing, UWWTR investigation completed
Improvement
Env Act (SODRP) improvement ongoing
 Netherton Brook 0 0.0 down 100% 100%
Middle Marwood WwTW
Inlet overflow at sewage works
Sewage works
Middle Marwood
Company site name
MIDDLE MARWOOD STW_SO_MARWOOD
EA ID / permit
SBB00768 · 203312
Outlet location
SS53733766 (OS grid reference) · View on Apple Maps
WFD catchment
Knowl Water (GB108050020020)
2024 spills / hours
14 / 33
Long-term average
40.0 spills a year (monitored since 2017)
Investigation
Env Act (SODRP) investigation ongoing, UWWTR investigation completed
Improvement
No improvement action in reporting period
 Knowle Wter & Mid Marwood Strm 0 0.0 down 100% 100%
Bampton WwTW
Inlet overflow at sewage works
Sewage works
Bampton
Company site name
BAMPTON STW_PSCSOEO_BAMPTON
EA ID / permit
SBB00065 · SWWA 42
Outlet location
SS95412179 (OS grid reference) · View on Apple Maps
WFD catchment
Lower Batherm (GB108045015070)
2024 spills / hours
35 / 360
Long-term average
52.5 spills a year (monitored since 2019)
Investigation
Env Act (SODRP) investigation ongoing, UWWTR investigation ongoing
Improvement
No improvement action in reporting period
 River Batherm 0 0.0 down 100% 100%
Exe Street CSO
Overflow on sewer network
Company site name
EXE ST_CSO_EXETER
EA ID / permit
SBB00424 · 201377
Outlet location
SX91469251 (OS grid reference) · View on Apple Maps
WFD catchment
Exe (Creedy to Estuary) (GB108045009040)
Shellfish water
Exe Estuary
2024 spills / hours
2 / 2.3
Long-term average
0.9 spills a year (monitored since 2017)
Investigation
Env Act (SODRP) investigation ongoing
Improvement
No improvement action in reporting period
 Higher Leat 0 0.0 down 100% 97%
Lorna Irwin Walk
Storm discharge at pumping station
Company site name
LORNA IRWIN SPST_PSCSOEO_COMBE MARTIN
EA ID / permit
SBB00706 · 2674
Outlet location
SS57884702 (OS grid reference) · View on Apple Maps
WFD catchment
Umber (GB108051020440)
Bathing water
Combe Martin
2024 spills / hours
0 / 0.0
Long-term average
54.0 spills a year (monitored since 2010)
Monitor below 90%
Comms failure / issue · Resolved - Sep
Investigation
No investigation activity in reporting period
Improvement
No improvement action in reporting period
 River Umber (S) 0 0.0 no change 79%
Lifton Wastewater Treatment Works
Inlet overflow at sewage works
Sewage works
Lifton
Company site name
LIFTON STW_SO_LIFTON
EA ID / permit
SBB00689 · 15/47/52/P/11
Outlet location
SX39258506 (OS grid reference) · View on Apple Maps
WFD catchment
Thrushel (GB108047008010)
2024 spills / hours
46 / 249
Long-term average
86.0 spills a year (monitored since 2018)
Investigation
No investigation activity in reporting period
Improvement
No improvement action in reporting period
 River Thrushel 0 0.0 down 100% 100%
Brunswick House CSO
Overflow on sewer network
Company site name
HIGHWEEK SYPHON INLET_CSO_NEWTON ABBOT
EA ID / permit
SBB00175 · 203099
Outlet location
SX85887140 (OS grid reference) · View on Apple Maps
WFD catchment
Lemon (GB108046008450)
Shellfish water
Teign Estuary
2024 spills / hours
1 / 0.2
Long-term average
0.8 spills a year (monitored since 2015)
Investigation
No investigation activity in reporting period
Improvement
No improvement action in reporting period
 The River Lemon (S) 0 0.0 down 100% 100%
Harbour Road SPS (Seaton)
Storm discharge at pumping station
Company site name
HARBOUR ROAD SPS_PSCSOEO_SEATON
EA ID / permit
SBB00539 · SWWA 248
Outlet location
SY25329024 (OS grid reference) · View on Apple Maps
WFD catchment
Not part of a WFD catchment
Bathing water
Seaton (Devon)
2024 spills / hours
29 / 62
Long-term average
19.7 spills a year (monitored since 2010)
Investigation
No investigation activity in reporting period
Improvement
Env Act (SODRP) improvement ongoing
 River Axe Estuary 0 0.0 down 100% 100%
Apple Tree House Broomhill CSO
Overflow on sewer network
Company site name
BROOMHILL SPS_PSCSOEO_CHAGFORD
EA ID / permit
SBB00046 · 201801
Outlet location
SX70738820 (OS grid reference) · View on Apple Maps
WFD catchment
Teign (Upper) (GB108046008550)
2024 spills / hours
0 / 0.0
Long-term average
0.8 spills a year (monitored since 2021)
Investigation
No investigation activity in reporting period
Improvement
No improvement action in reporting period
 River Teign (S) 0 0.0 no change 97%
Lynton/Lynmouth Sewerage
Storm discharge at pumping station
Company site name
ROCK HOUSE SPS_PSCSOEO_LYNMOUTH
EA ID / permit
SBB00731 · 004515/PC/01
Outlet location
SS72294962 (OS grid reference) · View on Apple Maps
WFD catchment
Not part of a WFD catchment
Bathing water
Lynmouth
2024 spills / hours
2 / 1.1
Long-term average
0.7 spills a year (monitored since 2010)
Investigation
No investigation activity in reporting period
Improvement
No improvement action in reporting period
 Lynmouth Bay (E) 0 0.0 down 100% 100%
Victoria Quay Pscso/EO
Storm discharge at pumping station
Company site name
VICTORIA QUAY SPST_PSCSOEO_MALPAS
EA ID / permit
SBB01309 · 302828
Outlet location
SW84384257 (OS grid reference) · View on Apple Maps
WFD catchment
Not part of a WFD catchment
Shellfish water
Fal Estuary
2024 spills / hours
0 / 0.0
Long-term average
0.7 spills a year (monitored since 2012)
Investigation
No investigation activity in reporting period
Improvement
No improvement action in reporting period
 (E) Truro & Tresillian Rvrs 0 0.0 no change 100%
Embankment Road Pumping Station
Storm discharge at pumping station
Company site name
EMBANKMENT ROAD_PSCSOEO_PLYMOUTH
EA ID / permit
SBB00414 · 300740
Outlet location
SX50005465 (OS grid reference) · View on Apple Maps
WFD catchment
Not part of a WFD catchment
2024 spills / hours
0 / 0.0
Long-term average
0.7 spills a year (monitored since 2016)
Investigation
No investigation activity in reporting period
Improvement
No improvement action in reporting period
 River Plym (Estuarine) 0 0.0 no change 100%
Tracey Court CSO
Overflow on sewer network
Company site name
TRACEY CT/WESTERN APPR_CSO_PLYMOUTH
EA ID / permit
SBB01270 · 301787
Outlet location
SX46975400 (OS grid reference) · View on Apple Maps
WFD catchment
Not part of a WFD catchment
2024 spills / hours
2 / 0.2
Long-term average
0.7 spills a year (monitored since 2016)
Investigation
No investigation activity in reporting period
Improvement
No improvement action in reporting period
 Millbay Docks via SWS (Est) 0 0.0 down 100% 94%
Gwyn Road Combined Sewer Overflow
Overflow on sewer network
Company site name
GWYN ROAD_CSO_PLYMOUTH
EA ID / permit
SBB00528 · 301733
Outlet location
SX50155478 (OS grid reference) · View on Apple Maps
WFD catchment
Not part of a WFD catchment
2024 spills / hours
1 / 0.3
Long-term average
0.6 spills a year (monitored since 2017)
Investigation
No investigation activity in reporting period
Improvement
No improvement action in reporting period
 River Plym (Estuarine) 0 0.0 down 100% 99%
Barton Drive CSO
Overflow on sewer network
Company site name
BARTON DR_CSO_NEWTON ABBOT
EA ID / permit
SBB00075 · 201752
Outlet location
SX85027116 (OS grid reference) · View on Apple Maps
WFD catchment
Lemon (GB108046008450)
Shellfish water
Teign Estuary
2024 spills / hours
1 / 2.7
Long-term average
0.6 spills a year (monitored since 2017)
Investigation
No investigation activity in reporting period
Improvement
No improvement action in reporting period
 Trib of River Lemon via SWS 0 0.0 down 100% 98%
Crowlas Bridge Pumping Station
Storm discharge at pumping station
Company site name
CROWLAS BRIDGE SPS_PSCSOEO_CROWLAS
EA ID / permit
SBB00325 · 301605
Outlet location
SW51643315 (OS grid reference) · View on Apple Maps
WFD catchment
Marazion River (GB108048002110)
2024 spills / hours
0 / 0.0
Long-term average
0.6 spills a year (monitored since 2015)
Investigation
No investigation activity in reporting period
Improvement
Bathing Water and/or Shellfish Water improvement ongoing
 Red River 0 0.0 no change 100%
Castle Street CSO
Overflow on sewer network
Company site name
CASTLE ST_CSO_TRURO
EA ID / permit
SBB00215 · 302671
Outlet location
SW82334491 (OS grid reference) · View on Apple Maps
WFD catchment
Kenwyn (GB108048002340)
Shellfish water
Fal Estuary
2024 spills / hours
0 / 0.0
Long-term average
0.6 spills a year (monitored since 2010)
Investigation
No investigation activity in reporting period
Improvement
No improvement action in reporting period
 River Kenwyn(S) 0 0.0 no change 93%
Monkerton Pumping Station
Storm discharge at pumping station
Company site name
MONKERTON SPS_PSCSOEO_EXETER
EA ID / permit
SBB00796 · 201635
Outlet location
SX96719397 (OS grid reference) · View on Apple Maps
WFD catchment
Upper Clyst (GB108045008860)
2024 spills / hours
0 / 0.0
Long-term average
0.6 spills a year (monitored since 2016)
Investigation
No investigation activity in reporting period
Improvement
No improvement action in reporting period
 Pin Brook 0 0.0 no change 100%

Sewage treatment works

Storm tanks and inlet overflows at each South West 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.