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
Argyll Road Pumping Station
Storm discharge at pumping station
Company site name
ARGYLL ROAD SPS_PSCSOEO_EXETER
EA ID / permit
SBB00049 · 203045
Outlet location
SX92129498 (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
0.0 spills a year (monitored since 2016)
Investigation
No investigation activity in reporting period
Improvement
No improvement action in reporting period
 Tributary of Duryard Stream 0 0.0 no change 100%
Bessom Bridge Pumping Station
Storm discharge at pumping station
Company site name
BESSOM BRIDGE SPST_PSCSOEO_WIMBLEBALL
EA ID / permit
SBB00103 · 202159
Outlet location
SS97403187 (OS grid reference) · View on Apple Maps
WFD catchment
Upper River Haddeo (GB108045020900)
2024 spills / hours
0 / 0.0
Long-term average
0.0 spills a year (monitored since 2016)
Investigation
No investigation activity in reporting period
Improvement
No improvement action in reporting period
 Wimbleball Lake 0 0.0 no change 100%
Buller Road CSO
Overflow on sewer network
Company site name
BULLER RD_CSO_CREDITON
EA ID / permit
SBB00189 · 201873
Outlet location
SS84490041 (OS grid reference) · View on Apple Maps
WFD catchment
Middle Creedy (GB108045009090)
2024 spills / hours
0 / 0.0
Long-term average
0.0 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 no change 100%
Cheriton Bishop Pscso/EO
Storm discharge at pumping station
Company site name
CHERITON CROSS SPS_PSCSOEO_CHERITON BISHOP
EA ID / permit
SBB00239 · 202162
Outlet location
SX77309300 (OS grid reference) · View on Apple Maps
WFD catchment
Scotley Brook (GB108046008600)
2024 spills / hours
0 / 0.0
Long-term average
0.0 spills a year (monitored since 2022)
Investigation
No investigation activity in reporting period
Improvement
No improvement action in reporting period
 Ford Brook (S) 0 0.0 no change 100%
Church Lane CSO
Overflow on sewer network
Company site name
CHURCH LANE_CSO_TAVISTOCK
EA ID / permit
SBB00260 · 301887
Outlet location
SX47837397 (OS grid reference) · View on Apple Maps
WFD catchment
Lower River Tavy (GB108047007840)
2024 spills / hours
0 / 0.0
Long-term average
0.0 spills a year (monitored since 2016)
Investigation
No investigation activity in reporting period
Improvement
No improvement action in reporting period
 River Tavy via SWS 0 0.0 no change 100%
Colaton Raleigh Combined Sewer of
Overflow on sewer network
Company site name
COLATON RALEIGH SSO_CSO_COLATON RALEIGH
EA ID / permit
SBB00287 · 201882
Outlet location
SY08448704 (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 2019)
Investigation
No investigation activity in reporting period
Improvement
No improvement action in reporting period
 Trib of the River Otter 0 0.0 no change 100%
Council Yard Pscso/EO
Storm discharge at pumping station
Company site name
COUNCIL YARD SPST_PSCSOEO_CREDITON
EA ID / permit
SBB00312 · 201657
Outlet location
SS84470039 (OS grid reference) · View on Apple Maps
WFD catchment
Middle Creedy (GB108045009090)
2024 spills / hours
0 / 0.0
Long-term average
0.0 spills a year (monitored since 2021)
Investigation
No investigation activity in reporting period
Improvement
No improvement action in reporting period
 Trib River Creedy (S) 0 0.0 no change 100%
Victoria Pscso/EO
Storm discharge at pumping station
Company site name
VICTORIA SPS_PSCSOEO_ROCHE
EA ID / permit
SBB01308 · 301631
Outlet location
SW99156148 (OS grid reference) · View on Apple Maps
WFD catchment
Par River (Upper) (GB108048002310)
2024 spills / hours
0 / 0.0
Long-term average
15.0 spills a year (monitored since 2022)
Investigation
No investigation activity in reporting period
Improvement
No improvement action in reporting period
 River Camel (S) 0 0.0 no change 100%
Creakavose Park Pscso/EO
Storm discharge at pumping station
Company site name
CREAKAVOSE SPS_PSCSOEO_ST STEPHEN
EA ID / permit
SBB00321 · 302097
Outlet location
SW93875345 (OS grid reference) · View on Apple Maps
WFD catchment
Upper River Fal (GB108048001390)
2024 spills / hours
0 / 0.0
Long-term average
0.0 spills a year (monitored since 2022)
Investigation
No investigation activity in reporting period
Improvement
No improvement action in reporting period
 Un-Named Watercourse (S) 0 0.0 no change 100%
CSO at Market Street
Overflow on sewer network
Company site name
MARKET ST_CSO_FALMOUTH
EA ID / permit
SBB00337 · 303017
Outlet location
SW80833302 (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
0.0 spills a year
Investigation
No investigation activity in reporting period
Improvement
No improvement action in reporting period
 Penryn River 0 0.0 no change 100%
Derby Road Combined Sewer Overflow
Overflow on sewer network
Company site name
DERBY ROAD_CSO_BARNSTAPLE
EA ID / permit
SBB00361 · EPRMB3798AM
Outlet location
SS56093369 (OS grid reference) · View on Apple Maps
WFD catchment
Not part of a WFD catchment
Shellfish water
Taw-Torridge Estuary
2024 spills / hours
0 / 0.0
Long-term average
0.0 spills a year (monitored since 2022)
Investigation
No investigation activity in reporting period
Improvement
No improvement action in reporting period
 Trib of River Yeo via SWS 0 0.0 no change 100%
East Yarde Sewage Treatment Works
Inlet overflow at sewage works
Sewage works
East Yarde
Company site name
EAST YARDE STW_SO_MILTON DAMEREL
EA ID / permit
SBB00399 · 201238
Outlet location
SS49391441 (OS grid reference) · View on Apple Maps
WFD catchment
Upper River Mere (GB108050014260)
2024 spills / hours
0 / 0.0
Long-term average
0.0 spills a year (monitored since 2022)
Investigation
No investigation activity in reporting period
Improvement
No improvement action in reporting period
 Tributary of River Mere (S) 0 0.0 no change 100%
Exeter College CSO
Overflow on sewer network
Company site name
EXETER COLLEGE ANNEX_CSO_EXETER
EA ID / permit
SBB00428 · 201375
Outlet location
SX91479250 (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
0.0 spills a year (monitored since 2017)
Investigation
No investigation activity in reporting period
Improvement
No improvement action in reporting period
 Higher Leat via Sw Sewer 0 0.0 no change 100%
Field Near War Memorial CSO
Overflow on sewer network
Company site name
FIELD NR WAR MEMORIAL_CSO_HGHR NETHERTON
EA ID / permit
SBB00449 · 201770
Outlet location
SX89197136 (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 2019)
Investigation
No investigation activity in reporting period
Improvement
No improvement action in reporting period
 Tributary of River Teign 0 0.0 no change 100%
Fore Street CSO
Overflow on sewer network
Company site name
FORE STREET_CSO_BUDLEIGH SALTERTON
EA ID / permit
SBB00472 · 200117/CS/01
Outlet location
SY06498188 (OS grid reference) · View on Apple Maps
WFD catchment
Not part of a WFD catchment
Bathing water
Budleigh Salterton
2024 spills / hours
0 / 0.0
Long-term average
0.0 spills a year (monitored since 2010)
Investigation
No investigation activity in reporting period
Improvement
No improvement action in reporting period
 Knowle Stream 0 0.0 no change 100%
Generals Lane Pumping Station
Storm discharge at pumping station
Company site name
GENERALS LANE SPST_PSCSOEO_STARCROSS
EA ID / permit
SBB00488 · 202633
Outlet location
SX97838190 (OS grid reference) · View on Apple Maps
WFD catchment
Not part of a WFD catchment
Shellfish water
Exe Estuary
2024 spills / hours
0 / 0.0
Long-term average
0.0 spills a year (monitored since 2010)
Investigation
No investigation activity in reporting period
Improvement
No improvement action in reporting period
 S/Water System to Exe Estuary 0 0.0 no change 100%
Higher Coombe Drive CSO
Overflow on sewer network
Company site name
O/S 45 HIGHER COOMBE DR_CSO_TEIGNMOUTH
EA ID / permit
SBB00572 · 201701
Outlet location
SX93157403 (OS grid reference) · View on Apple Maps
WFD catchment
Not part of a WFD catchment
Shellfish water
Teign Estuary
2024 spills / hours
0 / 0.0
Long-term average
0.0 spills a year (monitored since 2018)
Investigation
No investigation activity in reporting period
Improvement
No improvement action in reporting period
 Bitton Brook via SWS 0 0.0 no change 100%
Indian Queens Pscso/EO
Storm discharge at pumping station
Company site name
INDIAN QUEENS SPS_PSCSOEO_INDIAN QUEENS
EA ID / permit
SBB00611 · 301620
Outlet location
SW93725870 (OS grid reference) · View on Apple Maps
WFD catchment
Upper River Fal (GB108048001390)
2024 spills / hours
0 / 0.0
Long-term average
0.0 spills a year (monitored since 2022)
Investigation
No investigation activity in reporting period
Improvement
No improvement action in reporting period
 River Fal (S) 0 0.0 no change 100%
Lanteglos Pscso/EO
Storm discharge at pumping station
Company site name
LANTEGLOS SPST_PSCSOEO_LANTEGLOS
EA ID / permit
SBB00668 · 301662
Outlet location
SX14695445 (OS grid reference) · View on Apple Maps
WFD catchment
FOWEY (GB510804806400)
2024 spills / hours
0 / 0.0
Long-term average
0.0 spills a year (monitored since 2021)
Investigation
No investigation activity in reporting period
Improvement
No improvement action in reporting period
 River Fowey (E) 0 0.0 no change 100%
Laurel Lane CSO
Overflow on sewer network
Company site name
LAUREL LN_CSO_SHALDON
EA ID / permit
SBB00675 · 203084
Outlet location
SX92587214 (OS grid reference) · View on Apple Maps
WFD catchment
Not part of a WFD catchment
Shellfish water
Teign Estuary
2024 spills / hours
0 / 0.0
Long-term average
0.0 spills a year
Investigation
No investigation activity in reporting period
Improvement
No improvement action in reporting period
 Ringmore Stream (S) 0 0.0 no change 100%
Leonards Cove PS
Storm discharge at pumping station
Company site name
LEONARDS COVE_PSCSOEO_STOKE FLEMING
EA ID / permit
SBB00681 · 203368
Outlet location
SX86614824 (OS grid reference) · View on Apple Maps
WFD catchment
Not part of a WFD catchment
Shellfish water
Dart
2024 spills / hours
0 / 0.0
Long-term average
0.0 spills a year (monitored since 2021)
Investigation
No investigation activity in reporting period
Improvement
No improvement action in reporting period
 Leonards Cove Stream (S) 0 0.0 no change 100%
Luckett Wastewater Treatment Works
Inlet overflow at sewage works
Sewage works
Luckett
Company site name
LUCKETT STW_PSCSOEO_CALLINGTON
EA ID / permit
SBB00720 · 33938
Outlet location
SX39077366 (OS grid reference) · View on Apple Maps
WFD catchment
Lower River Tamar (GB108047007860)
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
 Alren Stream 0 0.0 no change 100%
North Petherwin Pscso/EO
Storm discharge at pumping station
Company site name
NORTH PETHERWIN_PSCSOEO_LAUNCESTON
EA ID / permit
SBB00843 · 301623
Outlet location
SX28298862 (OS grid reference) · View on Apple Maps
WFD catchment
Bolesbridge Water (GB108047007800)
2024 spills / hours
0 / 0.0
Long-term average
0.0 spills a year (monitored since 2022)
Investigation
No investigation activity in reporting period
Improvement
No improvement action in reporting period
 River Ottery (S) 0 0.0 no change 100%
Old Tiverton Road CSO
Overflow on sewer network
Company site name
OLD TIVERTON RD/BLAGDON_CSO_CREDITON
EA ID / permit
SBB00882 · 201868
Outlet location
SS84490041 (OS grid reference) · View on Apple Maps
WFD catchment
Middle Creedy (GB108045009090)
2024 spills / hours
0 / 0.0
Long-term average
0.0 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 no change 100%
Parsonage Lane Psco/EO
Storm discharge at pumping station
Company site name
PARSONAGE LANE SPS_PSCSOEO_SOUTH MOLTON
EA ID / permit
SBB00912 · 202169
Outlet location
SS71482621 (OS grid reference) · View on Apple Maps
WFD catchment
Mole (Yeo to Burcombe Stream) (GB108050014130)
2024 spills / hours
0 / 0.0
Long-term average
0.0 spills a year (monitored since 2022)
Investigation
No investigation activity in reporting period
Improvement
No improvement action in reporting period
 Watercourse(S) 0 0.0 no change 100%
Penpont View CSO
Overflow on sewer network
Company site name
PENPONT VIEW_CSO_ALTARNUN
EA ID / permit
SBB00926 · EPRYB3493NZ
Outlet location
SX22448079 (OS grid reference) · View on Apple Maps
WFD catchment
Penpont Water (GB108047007700)
2024 spills / hours
0 / 0.0
Long-term average
0.0 spills a year (monitored since 2022)
Investigation
No investigation activity in reporting period
Improvement
No improvement action in reporting period
 Tributary of Mill Leat 0 0.0 no change 100%
Porthilly Cove Pumping Station
Storm discharge at pumping station
Company site name
PORTHILLY COVE SPST_PSCSOEO_PORTHILLY 1
EA ID / permit
SBB00964 · 302972
Outlet location
SW93387524 (OS grid reference) · View on Apple Maps
WFD catchment
Not part of a WFD catchment
Shellfish water
Camel Estuary
2024 spills / hours
0 / 0.0
Long-term average
0.0 spills a year (monitored since 2010)
Investigation
No investigation activity in reporting period
Improvement
No improvement action in reporting period
 River Camel Estuary via SWS 0 0.0 no change 100%
Porthpean Pscso/EO
Storm discharge at pumping station
Company site name
PORTHPEAN SPS_PSCSOEO_PORTHPEAN
EA ID / permit
SBB00967 · 301670
Outlet location
SX03235051 (OS grid reference) · View on Apple Maps
WFD catchment
Not part of a WFD catchment
Bathing water
Porthpean
2024 spills / hours
0 / 0.0
Long-term average
0.0 spills a year (monitored since 2010)
Investigation
No investigation activity in reporting period
Improvement
No improvement action in reporting period
 St Austell Bay (C) 0 0.0 no change 100%
Portmellon Pscso/EO
Storm discharge at pumping station
Company site name
PORTMELLON SPS_PSCSOEO_MEVAGISSEY
EA ID / permit
SBB00971 · 302115
Outlet location
SX01504389 (OS grid reference) · View on Apple Maps
WFD catchment
Not part of a WFD catchment
Bathing water
Portmellon
2024 spills / hours
0 / 0.0
Long-term average
0.0 spills a year (monitored since 2010)
Investigation
No investigation activity in reporting period
Improvement
No improvement action in reporting period
 Stream (S) 0 0.0 no change 100%
Portwrinkle Tank CSO
Overflow on sewer network
Company site name
PORTWRINKLE TANK_CSO_TORPOINT
EA ID / permit
SBB00974 · 301864
Outlet location
SX35675371 (OS grid reference) · View on Apple Maps
WFD catchment
Not part of a WFD catchment
Bathing water
Portwrinkle
2024 spills / hours
0 / 0.0
Long-term average
0.0 spills a year (monitored since 2010)
Investigation
No investigation activity in reporting period
Improvement
No improvement action in reporting period
 Whitsand Bay (C) 0 0.0 no change 100%
Poundshill Psco/EO
Storm discharge at pumping station
Company site name
POUNDS HILL SPS_PSCSOEO_HOLCOMBE ROGUS
EA ID / permit
SBB00977 · 202172
Outlet location
ST06061885 (OS grid reference) · View on Apple Maps
WFD catchment
Spratford Stream (GB108045015020)
2024 spills / hours
0 / 0.0
Long-term average
0.0 spills a year (monitored since 2021)
Investigation
No investigation activity in reporting period
Improvement
No improvement action in reporting period
 Stream 0 0.0 no change 100%
Sandford Rose & Crown CSO
Overflow on sewer network
Company site name
ROSE AND CROWN PUB_CSO_SANDFORD
EA ID / permit
SBB01049 · 203074
Outlet location
SS82750230 (OS grid reference) · View on Apple Maps
WFD catchment
Middle Creedy (GB108045009090)
2024 spills / hours
0 / 0.0
Long-term average
0.0 spills a year (monitored since 2021)
Investigation
No investigation activity in reporting period
Improvement
No improvement action in reporting period
 The Sandford Stream (S) 0 0.0 no change 100%
Stoke Rivers STW
Inlet overflow at sewage works
Sewage works
Stoke Rivers
Company site name
STOKE RIVERS STW_SO_STOKE RIVERS
EA ID / permit
SBB01182 · 202208
Outlet location
SS63033533 (OS grid reference) · View on Apple Maps
WFD catchment
Chelfham Stream (GB108050019920)
2024 spills / hours
0 / 0.0
Long-term average
0.0 spills a year (monitored since 2022)
Investigation
No investigation activity in reporting period
Improvement
No improvement action in reporting period
 Tributary of River Yeo(S) 0 0.0 no change 100%
Stone Cross CSO
Overflow on sewer network
Company site name
STONE CROSS_CSO_BOVEY TRACEY
EA ID / permit
SBB01185 · 201733
Outlet location
SX74038382 (OS grid reference) · View on Apple Maps
WFD catchment
Upper Bovey (GB108046008320)
2024 spills / hours
0 / 0.0
Long-term average
0.0 spills a year (monitored since 2023)
Investigation
No investigation activity in reporting period
Improvement
No improvement action in reporting period
 Stream (S) 0 0.0 no change 100%
The Anchorage CSO
Overflow on sewer network
Company site name
MAIN STREET_CSO_BLACKAWTON
EA ID / permit
SBB01221 · 201808
Outlet location
SX80625086 (OS grid reference) · View on Apple Maps
WFD catchment
The Gara (GB108046004930)
2024 spills / hours
0 / 0.0
Long-term average
0.0 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 no change 100%
The Warren Pumping Station
Storm discharge at pumping station
Company site name
THE WARREN SPST_PSCSOEO_BIGBURY ON SEA
EA ID / permit
SBB01238 · 202603
Outlet location
SX64784440 (OS grid reference) · View on Apple Maps
WFD catchment
Not part of a WFD catchment
Bathing water
Bigbury-on-Sea North
2024 spills / hours
0 / 0.0
Long-term average
0.0 spills a year (monitored since 2011)
Investigation
No investigation activity in reporting period
Improvement
No improvement action in reporting period
 Bigbury Bay (C) 0 0.0 no change 100%
Treveneague Grdns Playing Field CSO
Overflow on sewer network
Company site name
TREVENEAGUE GARDENS_CSO_PLYMOUTH
EA ID / permit
SBB01283 · 301725
Outlet location
SX47965784 (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 2016)
Investigation
No investigation activity in reporting period
Improvement
No improvement action in reporting period
 Trib of Ham Brook 0 0.0 no change 100%
Valley View Pscso/EO
Storm discharge at pumping station
Company site name
VALLEY VIEW SPS_PSCSOEO_ST KEYNE
EA ID / permit
SBB01298 · 301637
Outlet location
SX24076093 (OS grid reference) · View on Apple Maps
WFD catchment
East Looe River (GB108048001440)
2024 spills / hours
0 / 0.0
Long-term average
0.0 spills a year (monitored since 2022)
Investigation
No investigation activity in reporting period
Improvement
No improvement action in reporting period
 East Looe River (S) 0 0.0 no change 100%
Waterleat Park Pscso/EO
Storm discharge at pumping station
Company site name
WATERLEAT PARK SPS_PSCSOEO_HONITON
EA ID / permit
SBB01319 · 202180/PC/01
Outlet location
ST16910018 (OS grid reference) · View on Apple Maps
WFD catchment
Middle River Otter (GB108045009180)
2024 spills / hours
0 / 0.0
Long-term average
0.0 spills a year (monitored since 2022)
Investigation
No investigation activity in reporting period
Improvement
No improvement action in reporting period
 Trib of River Otter 0 0.0 no change 100%
Erme Road CSO
Overflow on sewer network
Company site name
ERME RD_CSO_IVYBRIDGE
EA ID / permit
SBB00415 · 201862
Outlet location
SX63605624 (OS grid reference) · View on Apple Maps
WFD catchment
Erme (GB108046005200)
Bathing water
Mothecombe; Coastguards Beach, Erme Estuary
2024 spills / hours
0 / 0.0
Long-term average
0.0 spills a year (monitored since 2015)
Investigation
No investigation activity in reporting period
Improvement
No improvement action in reporting period
 River Erm (S) 0 0.0 no change 100%
Heather Park Pumping Station
Storm discharge at pumping station
Company site name
HEATHER PARK_PSCSOEO_SOUTH BRENT
EA ID / permit
SBB00555 · 202167
Outlet location
SX70516016 (OS grid reference) · View on Apple Maps
WFD catchment
Avon - Upper (GB108046004940)
Shellfish water
Bigbury and Avon
2024 spills / hours
0 / 0.0
Long-term average
0.0 spills a year (monitored since 2016)
Investigation
No investigation activity in reporting period
Improvement
No improvement action in reporting period
 Trib of Horse Brook via SWS 0 0.0 no change 100%
Gales Hill Pumping Station
Storm discharge at pumping station
Company site name
GALES HILL LOW SPST_PSCSOEO_TEIGNMOUTH
EA ID / permit
SBB00483 · 203347
Outlet location
SX93797236 (OS grid reference) · View on Apple Maps
WFD catchment
Not part of a WFD catchment
Bathing water
Shaldon
Shellfish water
Teign Estuary
2024 spills / hours
0 / 0.0
Long-term average
0.0 spills a year (monitored since 2010)
Investigation
No investigation activity in reporting period
Improvement
No improvement action in reporting period
 The Teign Estuary (E) 0 0.0 no change 100%
Little Knowle CSO
Overflow on sewer network
Company site name
LITTLE KNOWLE_CSO_BUDLEIGH SALTERTON
EA ID / permit
SBB00695 · 200116/CS/01
Outlet location
SY05358226 (OS grid reference) · View on Apple Maps
WFD catchment
Not part of a WFD catchment
Bathing water
Budleigh Salterton
2024 spills / hours
0 / 0.0
Long-term average
0.0 spills a year (monitored since 2010)
Investigation
No investigation activity in reporting period
Improvement
No improvement action in reporting period
 Knowle Stream 0 0.0 no change 100%
Portloe Wastewater Treatment Works
Inlet overflow at sewage works
Sewage works
Portloe
Company site name
PORTLOE FINESCN_PSCSOEO_PORTLOE
EA ID / permit
SBB00969 · 302776
Outlet location
SW93803928 (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
No investigation activity in reporting period
Improvement
No improvement action in reporting period
 English Channel (Coastal) 0 0.0 no change 100%
Tamerton Close Pseo
Storm discharge at pumping station
Company site name
TAMERTON CLOSE SPS_PSCSOEO_PLYMOUTH
EA ID / permit
SBB01205 · 302656
Outlet location
SX46256052 (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
Investigation
No investigation activity in reporting period
Improvement
No improvement action in reporting period
 Tamerton Lake(E) 0 0.0 no change 100%
Chillaton STW
Inlet overflow at sewage works
Sewage works
Chillaton
Company site name
CHILLATON STW_SO_CHILLATON
EA ID / permit
SBB00243 · 302122
Outlet location
SX43138235 (OS grid reference) · View on Apple Maps
WFD catchment
Quither Brook (GB108047007710)
2024 spills / hours
0 / 0.0
Long-term average
0.0 spills a year (monitored since 2021)
Investigation
No investigation activity in reporting period
Improvement
No improvement action in reporting period
 Trib of River Lyd (S) 0 0.0 no change 99%
Marsh Mills Pumping Station
Storm discharge at pumping station
Company site name
MARSH MILLS SPST_PSCSOEO_PLYMPTON
EA ID / permit
SBB00751 · 302110
Outlet location
SX51595619 (OS grid reference) · View on Apple Maps
WFD catchment
Not part of a WFD catchment
Bathing water
Plymouth Hoe East; Plymouth Hoe West
2024 spills / hours
0 / 0.0
Long-term average
0.0 spills a year (monitored since 2010)
Investigation
No investigation activity in reporting period
Improvement
No improvement action in reporting period
 River Plym (Estuarine) 0 0.0 no change 99%
Gunnislake No.1 CSO
Overflow on sewer network
Company site name
GUNNISLAKE NO. 1_CSO_GUNNISLAKE
EA ID / permit
SBB00520 · 301844
Outlet location
SX43357185 (OS grid reference) · View on Apple Maps
WFD catchment
Lower River Tamar (GB108047007860)
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
 River Tamar (S) 0 0.0 no change 99%
Belle Parade CSO
Overflow on sewer network
Company site name
BELLE PARADE_CSO_CREDITON
EA ID / permit
SBB00095 · 201871
Outlet location
SS84480041 (OS grid reference) · View on Apple Maps
WFD catchment
Middle Creedy (GB108045009090)
2024 spills / hours
0 / 0.0
Long-term average
0.0 spills a year (monitored since 2021)
Investigation
No investigation activity in reporting period
Improvement
No improvement action in reporting period
 Trib of River Creedy via SWS 0 0.0 no change 98%
Lynher Pscso/EO
Storm discharge at pumping station
Company site name
ELIOT DRIVE SPS_PSCSOEO_ST GERMANS
EA ID / permit
SBB00728 · 302109
Outlet location
SX36145704 (OS grid reference) · View on Apple Maps
WFD catchment
PLYMOUTH TAMAR (GB520804714300)
2024 spills / hours
0 / 0.0
Long-term average
0.0 spills a year (monitored since 2021)
Investigation
No investigation activity in reporting period
Improvement
No improvement action in reporting period
 Polbathic Lake (E) 0 0.0 no change 96%

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.