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South Devon - 2025 Sewage

Polluted by sewage 32,851 hours in 2025 - That's 3.8 years , monitoring offline 3,979 hours , potential overflows 378 hours

© OpenStreetMap contributors
Contains OS Data © Crown copyright & database right 2021-2024
© Top of the Poops 2021-2024

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✔ means we have live data (𝑥 if not)

View Annual Sewage Data

You're looking at the totals that we have calculated for sewage in South Devon for 2025. It is an estimate, based on very poor quality live data from the Water Companies. This may not align with the 'official' reported sewage values from the water companies, which is reported in April following then end of the year - so 2025 numbers are reported in April 2026.

What's a potential overflow? If the CSO goes 'Offline' while its Overflowing, we don't know if it stopped overflowing until we get a 'Stop' event.

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Constituencies near South Devon

Daily Data

Jan - 7,347 hours , 494 offline
Feb - 3,833 hours , 254 potential
Mar - 939 hours , 67 potential
Apr - 810 hours , 0 potential
May - 30 hours
Jun - 380 hours , 10 offline
Jul - 27 hours
Aug - 213 hours , 758 offline
Sept - 471 hours
Oct - 227 hours , 387 offline
Nov - 5,101 hours , 1,401 offline
Dec - 13,424 hours , 56 potential
Daily data is experimental and data is not guaranteed to be accurate. Please inform us of any issue, we will fix.
Please note: We don't have rainfall data for Wales. If you know where to source it please let us know!
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Totals so far

Company Site Name Receiving Waterway Overflow Days Total Duration (hours) Offline/Potential Pollution
South West Water HARBERTONFORD STW_SSO_HARBERTONFORD Harbourne River 79 1,490 h 51m 99 h
South West Water SCORRITON STW_SO_SCORRITON Holy Brook 105 1,373 h 25m 259 h
South West Water HOLNE STW_SO_HOLNE Holy Brook 98 1,294 h 16m -
South West Water KINGSTON STW_SSO_KINGSTON Kingston Stream 62 1,119 h 59m -
South West Water HARBERTONFORD STW_SSO_HARBERTONFORD Harbourne River 47 1,039 h 44m -
South West Water KINGSTON STW_SSO_KINGSTON Kingston Stream 43 922 h 36m -
South West Water SCORRITON STW_SO_SCORRITON Holy Brook 49 916 h 47m -
South West Water RATTERY STW_SO_RATTERY Bidwell Brook 61 895 h 9m -
South West Water TOTNES STW_SSO_TOTNES Dart Estuary 74 876 h 47m 166 h
South West Water HARBERTON STW_SSO_HARBERTON Harbeton Stream 45 859 h 11m -
South West Water SOUTH BRENT STW_SO_SOUTH BRENT River Avon 40 849 h 49m -
South West Water RATTERY STW_SO_RATTERY Bidwell Brook 40 815 h 22m -
South West Water HOLNE STW_SO_HOLNE Holy Brook 40 810 h 16m -
South West Water HARBERTON STW_SSO_HARBERTON Harbeton Stream 70 796 h 18m -
South West Water SLAPTON STW_SSO_SLAPTON Start Bay/Slapton Ley 52 675 h 55m -
South West Water COMPTON CASTLE_CSO_COMPTON Aller Brook 38 642 h 10m -
South West Water LOWER FERRY SPS_PSCSOEO_KINGSWEAR River Dart 62 578 h 8m -
South West Water COMPTON CASTLE_CSO_COMPTON Aller Brook 50 553 h 15m 29 h
South West Water BLACKAWTON STW_SSO_BLACKAWTON Blackawton Stream 27 545 h 27m -
South West Water CORNWORTHY STW_SSO_DARTMOUTH Dart Estuary 29 544 h 11m -
South West Water CORNWORTHY STW_SSO_DARTMOUTH Dart Estuary 48 496 h 44m -
South West Water SCOUT HUT_CSO_STOKE GABRIEL River Dart Estuary 23 463 h 26m -
South West Water MODBURY STW_SSO_MODBURY Ayleston Brook 37 457 h 47m 2 h
South West Water MORELEIGH STW_SO_MORELEIGH Unknown 30 440 h 17m -
South West Water EAST ALLINGTON STW_SSO_EAST ALLINGTON Small Brook 24 430 h 56m -
South West Water BLACKAWTON STW_SSO_BLACKAWTON Blackawton Stream 30 428 h 34m -
South West Water DARTINGTON SCH TWO_CSO_DARTINGTON Bidwell Brook 33 427 h 2m -
South West Water SOUTH BRENT STW_SO_SOUTH BRENT River Avon 29 419 h -
South West Water TORCROSS SPST_PSCSOEO_TORCROSS Start Bay 21 402 h 8m 1 h
South West Water EAST PRAWLE STW_SO_SALCOMBE Unnamed Coastal Stream 47 380 h 43m -
South West Water DIPTFORD STW_SO_DIPTFORD River Avon 30 358 h 30m -
South West Water RINGMORE STW_SO_RINGMORE Ringmore Stream 20 355 h 36m -
South West Water TOTNES STW_SSO_TOTNES Dart Estuary 36 346 h 51m -
South West Water STOKE GABRIEL SPS_PSCSOEO_TOTNES River Dart Estuary 18 333 h 25m -
South West Water SLAPTON STW_SSO_SLAPTON Start Bay/Slapton Ley 21 322 h 21m -
South West Water MORELEIGH STW_SO_MORELEIGH Unknown 53 313 h 1m -
South West Water SCOUT HUT_CSO_STOKE GABRIEL River Dart Estuary 27 302 h 19m 36 h
South West Water BROWNSTON STW_SO_LOWER BROWNSTON Shilston Brook 32 283 h 56m -
South West Water WEST CHARLETON STW_SSO_CHARLETON Charleton Stream 22 280 h 41m -
South West Water SHERFORD STW_SO_SHERFORD Sherford Stream 20 276 h 21m -
South West Water SHADY LANE SPS_PSCSOEO_STOKE FLEMING Leonards Cove Stream 19 266 h 8m -
South West Water STAVERTON STW_SSO_STAVERTON River Dart 16 261 h 36m 56 h
South West Water DITCH END S T_PSCSOEO_EAST PORTLEMOUTH Salcombe Estuary 24 260 h 27m -
South West Water POUNDWELL MEADOW_CSO_MODBURY Ayleston Brook 15 250 h 19m -
South West Water TORCROSS SPST_PSCSOEO_TORCROSS Start Bay 21 244 h 15m -
South West Water STRETE STW_SO_DARTMOUTH Start Bay, English Channel 21 236 h 32m -
South West Water BROWNSTON STW_SO_LOWER BROWNSTON Shilston Brook 20 203 h 40m -
South West Water MODBURY STW_SSO_MODBURY Ayleston Brook 16 200 h 55m -
South West Water POUNDWELL MEADOW_CSO_MODBURY Ayleston Brook 18 195 h 37m -
South West Water SOUTH MILTON STW_SSO_SOUTH MILTON South Milton Stream 26 190 h 56m 528 h
South West Water STRETE STW_SO_DARTMOUTH Start Bay, English Channel 24 184 h 26m -
South West Water CHILLINGTON STW_SSO_CHILLINGTON Chillington Stream 14 182 h 25m -
South West Water GALMPTON HOPE COVE STW_SSO_SALCOMBE Galmpton Stream 9 177 h 14m -
South West Water SHERFORD STW_SO_SHERFORD Sherford Stream 32 161 h 41m 26 h
South West Water TOWNSTAL TANK_CSO_DARTMOUTH Old Mill Creek Via Sws 15 148 h 23m -
South West Water DARTINGTON C_CSO_DARTINGTON Bidwell Brook 20 139 h 9m -
South West Water LODDISWELL STW_SSO_LODDISWELL River Avon 8 132 h 55m -
South West Water COMMINUTOR HOUSE GOULD RD_CSO_SALCOMBE Shadycombe Creek 65 131 h 42m 22 h
South West Water DARTINGTON C_CSO_DARTINGTON Bidwell Brook 15 131 h 40m -
South West Water TEXTILE MILL_CSO_DARTINGTON Bidwell Brook 20 131 h 21m -
South West Water TEXTILE MILL_CSO_DARTINGTON Bidwell Brook 36 130 h 1m 248 h
South West Water E CHARLETON SPS_PSCSOEO_EAST CHARLETON Frogmore Creek 7 130 h -
South West Water HARBERTON STW_SO_HARBERTON Harbeton Stream 17 129 h 36m -
South West Water DIPTFORD STW_SO_DIPTFORD River Avon 61 115 h 30m -
South West Water WEST CHARLETON STW_SSO_CHARLETON Charleton Stream 27 113 h 3m -
South West Water GALMPTON HOPE COVE STW_SSO_SALCOMBE Galmpton Stream 8 111 h 45m 895 h
South West Water DITTISHAM MAIN STW_SO_DITTISHAM River Dart Estuary 18 111 h 40m -
South West Water BRENT MILL_CSO_SOUTH BRENT River Avon 15 104 h 17m -
South West Water SMITH ST_CSO_DARTMOUTH River Dart Via Sws 50 104 h 14m -
South West Water PINHEY EJECTOR SPS_PSCSOEO_MALBOROUGH Blanksmill Creek 26 103 h 13m -
South West Water CHILLINGTON STW_SSO_CHILLINGTON Chillington Stream 14 102 h 35m -
South West Water DITTISHAM MAIN STW_SO_DITTISHAM River Dart Estuary 26 99 h 34m -
South West Water TOTNES TOWN SPST_PSCSOEO_TOTNES River Dart 39 98 h 37m 332 h
South West Water E CHARLETON SPS_PSCSOEO_EAST CHARLETON Frogmore Creek 7 91 h 8m -
South West Water LOVE LN_CSO_MARLDON Aller Brook 17 83 h 18m 1 h
South West Water DARTINGTON SCH TWO_CSO_DARTINGTON Bidwell Brook 12 79 h 14m -
South West Water SOUTH MILTON STW_SSO_SOUTH MILTON South Milton Stream 13 78 h 27m 164 h
South West Water TOWNSTAL TANK_CSO_DARTMOUTH Old Mill Creek Via Sws 13 73 h 41m -
South West Water FERRY BOAT SPST_PSCSOEO_DITTISHAM River Dart Estuary 44 71 h 47m -
South West Water DITCH END S T_PSCSOEO_EAST PORTLEMOUTH Salcombe Estuary 4 64 h 9m -
South West Water SMITH ST_CSO_DARTMOUTH River Dart Via Sws 24 63 h 53m -
South West Water PRINCE OF WALES RD_CSO_KINGSBRIDGE Kingsbridge Estuary 36 63 h 41m -
South West Water MAYORS AVENUE SPST_PSCSO_DARTMOUTH Dart River Estuary 15 62 h 43m -
South West Water FERRY BOAT SPST_PSCSOEO_DITTISHAM River Dart Estuary 20 62 h 32m 3 h
South West Water RINGMORE STW_SO_RINGMORE Ringmore Stream 25 61 h 9m 10 h
South West Water TOTNES TOWN SPST_PSCSOEO_TOTNES River Dart 15 60 h 48m 468 h
South West Water BRIDGE STREET_CSO_KINGSBRIDGE Kingsbridge Estuary 45 59 h 55m -
South West Water SHADY LANE SPS_PSCSOEO_STOKE FLEMING Leonards Cove Stream 20 58 h 33m -
South West Water MAYORS AVENUE SPST_PSCSO_DARTMOUTH Dart River Estuary 28 50 h 21m -
South West Water COMMINUTOR HOUSE GOULD RD_CSO_SALCOMBE Shadycombe Creek 18 46 h 42m 73 h
South West Water BRIDGE STREET_CSO_KINGSBRIDGE Kingsbridge Estuary 21 46 h 36m -
South West Water OXEN COVE SPST_PSCSOEO_BRIXHAM Brixham Outer Harbour 22 45 h 37m -
South West Water BRIDGETOWN STEAMER QUAY_CSO_TOTNES River Dart Estuary 12 45 h 6m -
South West Water HARBERTON STW_SO_HARBERTON Harbeton Stream 26 44 h 46m -
South West Water BOLTON STREET_CSO_BRIXHAM English Channel 37 44 h 29m -
South West Water BRIDGETOWN STEAMER QUAY_CSO_TOTNES River Dart Estuary 24 44 h 16m -
South West Water EAST ALLINGTON STW_SSO_EAST ALLINGTON Small Brook 18 42 h 42m -
South West Water STAVERTON STW_SSO_STAVERTON River Dart 8 41 h 45m -
South West Water PRINCE OF WALES RD_CSO_KINGSBRIDGE Kingsbridge Estuary 17 40 h 43m -
South West Water EAST PRAWLE STW_SO_SALCOMBE Unnamed Coastal Stream 12 40 h 36m -
South West Water EDEN PARK_CSO_BRIXHAM Higher Brixham Stream 16 38 h 15m -
South West Water EDEN PARK_CSO_BRIXHAM Higher Brixham Stream 10 37 h 30m -
South West Water SLAPTON_CSO_SLAPTON Stream 42 36 h 27m 92 h
South West Water QUARRY CLOSE_CSO_TOTNES Malt Mill Lake 10 31 h 42m -
South West Water TOR PARK SPS_PSCSOEO_PAIGNTON Yalberton Stream Via Sws 7 31 h 20m -
South West Water SWALLOWFIELDS_CSO_TOTNES River Dart Estuary 9 30 h 10m -
South West Water TOR PARK SPS_PSCSOEO_PAIGNTON Yalberton Stream Via Sws 8 30 h 2m -
South West Water SHUTE PARK_CSO_MALBOROUGH Combe Stream 37 29 h 8m 0 h
South West Water LOWER FERRY SPS_PSCSOEO_KINGSWEAR River Dart 15 28 h 41m -
South West Water SWALLOWFIELDS_CSO_TOTNES River Dart Estuary 16 27 h 33m 6 h
South West Water BOLTON STREET_CSO_BRIXHAM English Channel 16 26 h 58m -
South West Water SLAPTON_CSO_SLAPTON Stream 17 26 h 40m -
South West Water OXEN COVE SPST_PSCSOEO_BRIXHAM Brixham Outer Harbour 12 26 h 19m -
South West Water CHILLINGTON SPS_PSCSOEO_CHILLINGTON Frogmore Stream 2 25 h 54m -
South West Water BATSON SPS_PSCSOEO_SALCOMBE Baston Creek 17 23 h 46m -
South West Water 31 FORE STREET_CSO_TOTNES River Dart 29 22 h 59m -
South West Water WARFLEET CREEK SPS_PSCSOEO_DARTMOUTH River Dart Estuary 4 22 h 15m -
South West Water SHINNERS BRIDGE_CSO_DARTINGTON Bidwell Brook 10 21 h 10m -
South West Water LODDISWELL STW_SSO_LODDISWELL River Avon 9 20 h 15m -
South West Water BRENT MILL_CSO_SOUTH BRENT River Avon 17 19 h 32m -
South West Water CHURSCOMBE CROSS SPS_PSCSOEO_MARLDON Kirkham Stream 8 17 h 15m -
South West Water SHADYCOMBE TANK_CSOEO_SALCOMBE Shadycombe Creek 2 16 h 39m 50 h
South West Water ASHPRINGTON STW_SSO_ASHPRINGTON River Harbourne 11 15 h 29m -
South West Water CHURSCOMBE CROSS SPS_PSCSOEO_MARLDON Kirkham Stream 14 15 h 9m -
South West Water OUTER HOPE COVE SPST_PSCSOEO_HOPE COVE Hope Cove 11 14 h 59m -
South West Water CARAVAN PARK_CSO_STOKENHAM Slapton Ley 12 13 h 48m -
South West Water LOVE LN_CSO_MARLDON Aller Brook 19 13 h 21m -
South West Water FURZEGOOD SPS_PSCSOEO_MARLDON Gatcombe Brook 15 13 h 20m -
South West Water MILL CREEK SPS_PSCSOEO_DITTISHAM Dittisham Mill Creek-Estuarine 9 12 h 36m -
South West Water SHUTE PARK_CSO_MALBOROUGH Combe Stream 17 11 h 52m -
South West Water ASHPRINGTON STW_SSO_ASHPRINGTON River Harbourne 7 11 h 28m -
South West Water MAYFLOWER DRIVE_CSO_BRIXHAM Higher Brixham Stream 11 10 h 20m -
South West Water QUARRY CLOSE_CSO_TOTNES Malt Mill Lake 7 10 h 16m -
South West Water KILN ROAD SPS_PSCSOEO_GALMPTON Galmpton Stream 4 8 h 59m -
South West Water O/SEAS EST W SPS_PSCSOEO_STOKE FLEMING English Channel 10 8 h 52m -
South West Water SOUTHVILLE SPST_PSCSOEO_KINGSBRIDGE Kingsbridge Estuary 6 8 h 14m -
South West Water FURZEGOOD SPS_PSCSOEO_MARLDON Gatcombe Brook 7 8 h 11m -
South West Water MEADOWSIDE CHILLINGTON_CSO Frogmore Creek 10 7 h 34m -
South West Water DARTHAVEN MARINA SPS_PSCSOEO_KINGSWEAR River Dart 9 6 h 42m -
South West Water MALBOROUGH STW_SO_SALCOMBE Combe Stream 5 6 h 31m -
South West Water SHADYCOMBE TK LOWER TUNNELS_CSO_SALCOMBE Batson Creek 5 6 h 7m -
South West Water 31 FORE STREET_CSO_TOTNES River Dart 8 5 h 50m -
South West Water SHINNERS BRIDGE_CSO_DARTINGTON Bidwell Brook 8 5 h 35m -
South West Water MILL CREEK SPS_PSCSOEO_DITTISHAM Dittisham Mill Creek-Estuarine 6 5 h 7m -
South West Water PINHEY EJECTOR SPS_PSCSOEO_MALBOROUGH Blanksmill Creek 4 5 h 3m -
South West Water AVETON GIFFORD STW_SSO_AVETON GIFFORD River Avon Estuary 3 4 h 47m -
South West Water KILN ROAD SPS_PSCSOEO_GALMPTON Galmpton Stream 6 4 h 25m -
South West Water INNER HOPE COVE SPS_PSCSOEO_HOPE COVE Hope Cove 3 3 h 59m -
South West Water CARAVAN PARK_CSO_STOKENHAM Slapton Ley 10 3 h 53m 659 h
South West Water ST KATHERINES WAY_ CSO_TOTNES River Dart Estuary Via Sws 8 3 h 48m -
South West Water DARTHAVEN MARINA SPS_PSCSOEO_KINGSWEAR River Dart 6 3 h 41m -
South West Water OUTER HOPE COVE SPST_PSCSOEO_HOPE COVE Hope Cove 4 3 h 34m -
South West Water MAYFLOWER DRIVE_CSO_BRIXHAM Higher Brixham Stream 14 3 h 32m -
South West Water MALBOROUGH STW_SO_SALCOMBE Combe Stream 2 3 h 31m -
South West Water MEADOWSIDE CHILLINGTON_CSO Frogmore Creek 5 3 h 29m -
South West Water BATSON SPS_PSCSOEO_SALCOMBE Baston Creek 4 3 h 20m -
South West Water PRIORY SLIP SPS_PSCSOEO_KINGSWEAR Dart Estuary 3 3 h 20m -
South West Water ST KATHERINES WAY_ CSO_TOTNES River Dart Estuary Via Sws 3 2 h 18m -
South West Water SHADYCOMBE TK LOWER TUNNELS_CSO_SALCOMBE Batson Creek 6 2 h 16m 9 h
South West Water SOUTH MILTON_CSO_SOUTH MILTON Stream 2 2 h 2m -
South West Water SOUTHVILLE SPST_PSCSOEO_KINGSBRIDGE Kingsbridge Estuary 1 1 h 47m -
South West Water WARFLEET CREEK SPS_PSCSOEO_DARTMOUTH River Dart Estuary 2 1 h 40m -
South West Water AVETON GIFFORD STW_SSO_AVETON GIFFORD River Avon Estuary 1 1 h -
South West Water O/SEAS EST W SPS_PSCSOEO_STOKE FLEMING English Channel 4 0 h 53m -
South West Water THE WARREN SPST_PSCSOEO_BIGBURY ON SEA Bigbury Bay 2 0 h 45m -
South West Water STOKE GABRIEL SPS_PSCSOEO_TOTNES River Dart Estuary 1 0 h 36m -
South West Water ST JOHNS TERRACE_CSO_TOTNES Malt Mill Lake Via Sw Sewer 2 0 h 34m 111 h
South West Water FIELD ADJ COUNCIL HSES_CSO_BLACKAWTON Blackawton Stream 2 0 h 29m -
South West Water FIELD ADJ COUNCIL HSES_CSO_BLACKAWTON Blackawton Stream 1 0 h 20m -
South West Water ST JOHNS TERRACE_CSO_TOTNES Malt Mill Lake Via Sw Sewer 3 0 h 20m -
South West Water SOUTH MILTON_CSO_SOUTH MILTON Stream 2 0 h 20m -
South West Water YARROW BANK SPS_PSCSOEO_KINGSWEAR Dart Estuary 1 0 h 16m -
South West Water NORTH SANDS SPST_PSCSOEO_SALCOMBE Kingsbridge Estuary 1 0 h 13m -
South West Water THE WARREN SPST_PSCSOEO_BIGBURY ON SEA Bigbury Bay 1 0 h 4m -
South West Water BERRY HEAD_CSO_BRIXHAM Torbay 1 0 h 2m -
South West Water NORTH SANDS SPST_PSCSOEO_SALCOMBE Kingsbridge Estuary 0 0 h -
South West Water SHADYCOMBE TANK_CSOEO_SALCOMBE Shadycombe Creek 0 0 h -
South West Water WARREN POINT SPS_PSCSOEO_BIGBURY Bigbury Bay 0 0 h -
South West Water ASHPRINGTON STW_SO_ASHPRINGTON River Harbourne 0 0 h -
South West Water BERRY HEAD_CSO_BRIXHAM Torbay 0 0 h -
South West Water PRIORY SLIP SPS_PSCSOEO_KINGSWEAR Dart Estuary 0 0 h -
South West Water WESTVILLE SPST_PSCSOEO_KINGSBRIDGE Kingsbridge Estuary 0 0 h -
South West Water YARROW BANK SPS_PSCSOEO_KINGSWEAR Dart Estuary 0 0 h -
South West Water INNER HOPE COVE SPS_PSCSOEO_HOPE COVE Hope Cove 0 0 h -
South West Water SOUTH SANDS SPS_PSCSOEO_SALCOMBE Combe Stream 0 0 h -
South West Water WESTVILLE SPST_PSCSOEO_KINGSBRIDGE Kingsbridge Estuary 0 0 h -
South West Water WEST ALVINGTON_CSO_W ALVINGTON Kingsbridge Estuary 0 0 h -
South West Water CHILLINGTON SPS_PSCSOEO_CHILLINGTON Frogmore Stream 0 0 h -

Data Sources & Accuracy

EDM (Event Duration Monitoring) data and Consented Discharges to Controlled Waters with Conditions from Environment Agency & Data Map Wales, and Scottish Water

Experimental derived data from Thames Water API, Some data may be missing or inaccurate. Live sewage data from Stream Water API

Uses Environment Agency rainfall data from the real-time data API (Beta) - Rainfall data is delayed by up to two days.

This website is intended to provide an accurate representation of the Environment Agency data. The data is hard to use, and thus some errors may have been made. If you find something that is incorrect, please raise an issue at the GitHub issues page and we'll endeavour to fix it quickly.

This project is not associated, approved or endorsed by any of the companies whose logos you see here.

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