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You're looking at the totals that we have calculated for sewage in South Devon so far for 2026. It is an estimate, based on very poor quality live data from the Water Companies. The water companies report their sewage to the Environment Agency every year in April. You can see the last reported year in the other page

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.

Totals for South Devon in 2026

Sewage34,864 hours

Monitoring offline3,776 hours

Potential pollution2,190 hours

Storm overflows190

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Company	Site Name	Receiving Waterway	Overflow Days	Total Duration (hours)	Offline/Potential Pollution
South West Water	HARBERTONFORD STW_SSO_HARBERTONFORD	Harbourne River	86	1,917h 20m	50 h
South West Water	RINGMORE STW_SO_RINGMORE	Ringmore Stream	82	1,740h 13m	-
South West Water	RATTERY STW_SO_RATTERY	Bidwell Brook	85	1,560h 21m	-
South West Water	KINGSTON STW_SSO_KINGSTON	Kingston Stream	67	1,455h 29m	-
South West Water	HARBERTON STW_SSO_HARBERTON	Harbeton Stream	79	1,351h 2m	-
South West Water	COMPTON CASTLE_CSO_COMPTON	Aller Brook	80	1,342h 46m	186 h
South West Water	EAST PRAWLE STW_SO_SALCOMBE	Unnamed Coastal Stream	67	1,221h 10m	1,355 h
South West Water	HOLNE STW_SO_HOLNE	Holy Brook	73	1,184h 40m	-
South West Water	SLAPTON STW_SSO_SLAPTON	Start Bay/Slapton Ley	59	1,148h 29m	-
South West Water	SOUTH BRENT STW_SO_SOUTH BRENT	River Avon	58	1,087h 51m	-
South West Water	CORNWORTHY STW_SSO_DARTMOUTH	Dart Estuary	59	962h 35m	-
South West Water	SCORRITON STW_SO_SCORRITON	Holy Brook	80	945h 45m	-
South West Water	BLACKAWTON STW_SSO_BLACKAWTON	Blackawton Stream	48	913h 51m	-
South West Water	CHILLINGTON STW_SSO_CHILLINGTON	Chillington Stream	45	874h 17m	-
South West Water	TORCROSS SPST_PSCSOEO_TORCROSS	Start Bay	40	864h 52m	238 h
South West Water	SHERFORD STW_SO_SHERFORD	Sherford Stream	60	848h 38m	-
South West Water	GALMPTON HOPE COVE STW_SSO_SALCOMBE	Galmpton Stream	39	835h 54m	117 h
South West Water	STOKE GABRIEL SPS_PSCSOEO_TOTNES	River Dart Estuary	39	796h 32m	-
South West Water	SCOUT HUT_CSO_STOKE GABRIEL	River Dart Estuary	38	795h 4m	101 h
South West Water	WEST CHARLETON STW_SSO_CHARLETON	Charleton Stream	40	793h 9m	-
South West Water	MORELEIGH STW_SO_MORELEIGH	Unknown	62	770h 51m	-
South West Water	E CHARLETON SPS_PSCSOEO_EAST CHARLETON	Frogmore Creek	35	765h 50m	-
South West Water	EAST ALLINGTON STW_SSO_EAST ALLINGTON	Small Brook	38	699h 53m	777 h
South West Water	SOUTH MILTON STW_SSO_SOUTH MILTON	South Milton Stream	35	637h 50m	0 h
South West Water	KILN ROAD SPS_PSCSOEO_GALMPTON	Galmpton Stream	29	613h 28m	-
South West Water	TOWNSTAL TANK_CSO_DARTMOUTH	Old Mill Creek Via Sws	38	584h 38m	-
South West Water	DIPTFORD STW_SO_DIPTFORD	River Avon	59	473h 40m	-
South West Water	TOTNES STW_SSO_TOTNES	Dart Estuary	64	471h 16m	-
South West Water	POUNDWELL MEADOW_CSO_MODBURY	Ayleston Brook	32	467h 41m	-
South West Water	BROWNSTON STW_SO_LOWER BROWNSTON	Shilston Brook	42	397h 16m	-
South West Water	CARAVAN PARK_CSO_STOKENHAM	Slapton Ley	19	361h 7m	497 h
South West Water	HARBERTON STW_SO_HARBERTON	Harbeton Stream	32	349h 54m	284 h
South West Water	LODDISWELL STW_SSO_LODDISWELL	River Avon	24	345h 11m	-
South West Water	DITCH END S T_PSCSOEO_EAST PORTLEMOUTH	Salcombe Estuary	21	341h 35m	-
South West Water	STAVERTON STW_SSO_STAVERTON	River Dart	23	329h 24m	-
South West Water	MODBURY STW_SSO_MODBURY	Ayleston Brook	35	315h 59m	-
South West Water	BRIDGE STREET_CSO_KINGSBRIDGE	Kingsbridge Estuary	53	304h 9m	-
South West Water	MAYORS AVENUE SPST_PSCSO_DARTMOUTH	Dart River Estuary	36	297h 39m	-
South West Water	TOR PARK SPS_PSCSOEO_PAIGNTON	Yalberton Stream Via Sws	22	241h 13m	-
South West Water	SOUTH MILTON_CSO_SOUTH MILTON	Stream	16	233h 13m	-
South West Water	STRETE STW_SO_DARTMOUTH	Start Bay, English Channel	31	231h 12m	-
South West Water	AVETON GIFFORD STW_SSO_AVETON GIFFORD	River Avon Estuary	16	228h 50m	-
South West Water	TEXTILE MILL_CSO_DARTINGTON	Bidwell Brook	41	221h 46m	83 h
South West Water	SHADY LANE SPS_PSCSOEO_STOKE FLEMING	Leonards Cove Stream	25	221h 31m	39 h
South West Water	DARTINGTON SCH TWO_CSO_DARTINGTON	Bidwell Brook	32	220h 3m	-
South West Water	SLAPTON_CSO_SLAPTON	Stream	56	216h 33m	-
South West Water	PRINCE OF WALES RD_CSO_KINGSBRIDGE	Kingsbridge Estuary	42	210h 42m	-
South West Water	FERRY BOAT SPST_PSCSOEO_DITTISHAM	River Dart Estuary	48	193h 17m	-
South West Water	SMITH ST_CSO_DARTMOUTH	River Dart Via Sws	58	163h 23m	-
South West Water	COMMINUTOR HOUSE GOULD RD_CSO_SALCOMBE	Shadycombe Creek	72	154h 17m	102 h
South West Water	DITTISHAM MAIN STW_SO_DITTISHAM	River Dart Estuary	17	116h 50m	-
South West Water	MILL CREEK SPS_PSCSOEO_DITTISHAM	Dittisham Mill Creek-Estuarine	15	109h 46m	7 h
South West Water	TOTNES TOWN SPST_PSCSOEO_TOTNES	River Dart	33	89h 49m	530 h
South West Water	LOVE LN_CSO_MARLDON	Aller Brook	46	82h 59m	-
South West Water	BRENT MILL_CSO_SOUTH BRENT	River Avon	30	78h 28m	-
South West Water	BRIDGETOWN STEAMER QUAY_CSO_TOTNES	River Dart Estuary	23	56h 33m	-
South West Water	EDEN PARK_CSO_BRIXHAM	Higher Brixham Stream	19	53h 36m	-
South West Water	BATSON SPS_PSCSOEO_SALCOMBE	Baston Creek	20	50h 4m	-
South West Water	BOLTON STREET_CSO_BRIXHAM	English Channel	34	44h 57m	-
South West Water	OUTER HOPE COVE SPST_PSCSOEO_HOPE COVE	Hope Cove	16	43h 30m	33 h
South West Water	OXEN COVE SPST_PSCSOEO_BRIXHAM	Brixham Outer Harbour	33	43h 17m	-
South West Water	DARTINGTON C_CSO_DARTINGTON	Bidwell Brook	12	37h 59m	-
South West Water	LOWER FERRY SPS_PSCSOEO_KINGSWEAR	River Dart	18	34h 52m	-
South West Water	MALBOROUGH STW_SO_SALCOMBE	Combe Stream	7	29h 1m	-
South West Water	PINHEY EJECTOR SPS_PSCSOEO_MALBOROUGH	Blanksmill Creek	10	25h 45m	-
South West Water	ASHPRINGTON STW_SSO_ASHPRINGTON	River Harbourne	13	24h 53m	-
South West Water	SHUTE PARK_CSO_MALBOROUGH	Combe Stream	26	24h 52m	-
South West Water	QUARRY CLOSE_CSO_TOTNES	Malt Mill Lake	9	23h 39m	-
South West Water	SWALLOWFIELDS_CSO_TOTNES	River Dart Estuary	9	23h 18m	-
South West Water	MAYFLOWER DRIVE_CSO_BRIXHAM	Higher Brixham Stream	22	19h 4m	24 h
South West Water	31 FORE STREET_CSO_TOTNES	River Dart	16	18h 25m	-
South West Water	SHINNERS BRIDGE_CSO_DARTINGTON	Bidwell Brook	11	17h 54m	-
South West Water	SHADYCOMBE TK LOWER TUNNELS_CSO_SALCOMBE	Batson Creek	12	17h 51m	-
South West Water	FURZEGOOD SPS_PSCSOEO_MARLDON	Gatcombe Brook	9	17h 30m	-
South West Water	YARROW BANK SPS_PSCSOEO_KINGSWEAR	Dart Estuary	8	15h 2m	389 h
South West Water	MEADOWSIDE CHILLINGTON_CSO	Frogmore Creek	12	14h 58m	207 h
South West Water	CHURSCOMBE CROSS SPS_PSCSOEO_MARLDON	Kirkham Stream	6	14h 40m	-
South West Water	ST KATHERINES WAY_ CSO_TOTNES	River Dart Estuary Via Sws	4	7h 46m	-
South West Water	DARTHAVEN MARINA SPS_PSCSOEO_KINGSWEAR	River Dart	8	7h 14m	-
South West Water	PRIORY SLIP SPS_PSCSOEO_KINGSWEAR	Dart Estuary	5	3h 58m	-
South West Water	COMPTON & MARLDON STW_SO_COMPTON	Aller Brook	1	2h 46m	-
South West Water	BERRY HEAD_CSO_BRIXHAM	Torbay	1	1h 58m	294 h
South West Water	WEST ALVINGTON_CSO_W ALVINGTON	Kingsbridge Estuary	4	1h 34m	-
South West Water	THE WARREN SPST_PSCSOEO_BIGBURY ON SEA	Bigbury Bay	2	1h 30m	-
South West Water	WARFLEET CREEK SPS_PSCSOEO_DARTMOUTH	River Dart Estuary	1	1h 17m	-
South West Water	CHILLINGTON SPS_PSCSOEO_CHILLINGTON	Frogmore Stream	1	1h 7m	-
South West Water	SOUTHVILLE SPST_PSCSOEO_KINGSBRIDGE	Kingsbridge Estuary	1	0h 27m	-
South West Water	INNER HOPE COVE SPS_PSCSOEO_HOPE COVE	Hope Cove	1	0h 24m	-
South West Water	FIELD ADJ COUNCIL HSES_CSO_BLACKAWTON	Blackawton Stream	1	0h 18m	-
South West Water	SOUTH SANDS SPS_PSCSOEO_SALCOMBE	Combe Stream	1	0h 12m	-
South West Water	MORELEIGH STW_SO_MORELEIGH	Unknown	0	0h	-
South West Water	HARBERTON STW_SO_HARBERTON	Harbeton Stream	0	0h	-
South West Water	NORTH SANDS SPST_PSCSOEO_SALCOMBE	Kingsbridge Estuary	0	0h	-
South West Water	SHADYCOMBE TANK_CSOEO_SALCOMBE	Shadycombe Creek	0	0h	-
South West Water	WARREN POINT SPS_PSCSOEO_BIGBURY	Bigbury Bay	0	0h	-
South West Water	KINGSTON STW_SSO_KINGSTON	Kingston Stream	0	0h	-
South West Water	ASHPRINGTON STW_SO_ASHPRINGTON	River Harbourne	0	0h	-
South West Water	COMMINUTOR HOUSE GOULD RD_CSO_SALCOMBE	Shadycombe Creek	0	0h	-
South West Water	ASHPRINGTON STW_SSO_ASHPRINGTON	River Harbourne	0	0h	-
South West Water	STAVERTON STW_SSO_STAVERTON	River Dart	0	0h	-
South West Water	LOWER FERRY SPS_PSCSOEO_KINGSWEAR	River Dart	0	0h	-
South West Water	OXEN COVE SPST_PSCSOEO_BRIXHAM	Brixham Outer Harbour	0	0h	-
South West Water	BRIDGETOWN STEAMER QUAY_CSO_TOTNES	River Dart Estuary	0	0h	-
South West Water	DITTISHAM MAIN STW_SO_DITTISHAM	River Dart Estuary	0	0h	-
South West Water	BRENT MILL_CSO_SOUTH BRENT	River Avon	0	0h	-
South West Water	DARTINGTON C_CSO_DARTINGTON	Bidwell Brook	0	0h	-
South West Water	SWALLOWFIELDS_CSO_TOTNES	River Dart Estuary	0	0h	-
South West Water	QUARRY CLOSE_CSO_TOTNES	Malt Mill Lake	0	0h	-
South West Water	TORCROSS SPST_PSCSOEO_TORCROSS	Start Bay	0	0h	-
South West Water	POUNDWELL MEADOW_CSO_MODBURY	Ayleston Brook	0	0h	-
South West Water	LEONARDS COVE_PSCSOEO_STOKE FLEMING	Leonards Cove Stream	0	0h	645 h
South West Water	SCORRITON STW_SO_SCORRITON	Holy Brook	0	0h	-
South West Water	MEADOWSIDE CHILLINGTON_CSO	Frogmore Creek	0	0h	-
South West Water	MALBOROUGH STW_SO_SALCOMBE	Combe Stream	0	0h	-
South West Water	PRINCE OF WALES RD_CSO_KINGSBRIDGE	Kingsbridge Estuary	0	0h	-
South West Water	YARROW BANK SPS_PSCSOEO_KINGSWEAR	Dart Estuary	0	0h	-
South West Water	HARBERTON STW_SSO_HARBERTON	Harbeton Stream	0	0h	-
South West Water	BERRY HEAD_CSO_BRIXHAM	Torbay	0	0h	-
South West Water	NORTH SANDS SPST_PSCSOEO_SALCOMBE	Kingsbridge Estuary	0	0h	-
South West Water	STOKE GABRIEL SPS_PSCSOEO_TOTNES	River Dart Estuary	0	0h	-
South West Water	RATTERY STW_SO_RATTERY	Bidwell Brook	0	0h	-
South West Water	TOTNES STW_SSO_TOTNES	Dart Estuary	0	0h	-
South West Water	STRETE STW_SO_DARTMOUTH	Start Bay, English Channel	0	0h	-
South West Water	AVETON GIFFORD STW_SSO_AVETON GIFFORD	River Avon Estuary	0	0h	-
South West Water	TOTNES TOWN SPST_PSCSOEO_TOTNES	River Dart	0	0h	-
South West Water	WESTVILLE SPST_PSCSOEO_KINGSBRIDGE	Kingsbridge Estuary	0	0h	-
South West Water	LODDISWELL STW_SSO_LODDISWELL	River Avon	0	0h	-
South West Water	MAYORS AVENUE SPST_PSCSO_DARTMOUTH	Dart River Estuary	0	0h	-
South West Water	SHUTE PARK_CSO_MALBOROUGH	Combe Stream	0	0h	-
South West Water	BROWNSTON STW_SO_LOWER BROWNSTON	Shilston Brook	0	0h	-
South West Water	ST KATHERINES WAY_ CSO_TOTNES	River Dart Estuary Via Sws	0	0h	-
South West Water	GALMPTON HOPE COVE STW_SSO_SALCOMBE	Galmpton Stream	0	0h	-
South West Water	FERRY BOAT SPST_PSCSOEO_DITTISHAM	River Dart Estuary	0	0h	-
South West Water	SHERFORD STW_SO_SHERFORD	Sherford Stream	0	0h	-
South West Water	SHADY LANE SPS_PSCSOEO_STOKE FLEMING	Leonards Cove Stream	0	0h	-
South West Water	SCOUT HUT_CSO_STOKE GABRIEL	River Dart Estuary	0	0h	-
South West Water	SHINNERS BRIDGE_CSO_DARTINGTON	Bidwell Brook	0	0h	-
South West Water	CHURSCOMBE CROSS SPS_PSCSOEO_MARLDON	Kirkham Stream	0	0h	-
South West Water	TOWNSTAL TANK_CSO_DARTMOUTH	Old Mill Creek Via Sws	0	0h	-
South West Water	TOR PARK SPS_PSCSOEO_PAIGNTON	Yalberton Stream Via Sws	0	0h	-
South West Water	FURZEGOOD SPS_PSCSOEO_MARLDON	Gatcombe Brook	0	0h	-
South West Water	E CHARLETON SPS_PSCSOEO_EAST CHARLETON	Frogmore Creek	0	0h	-
South West Water	SLAPTON_CSO_SLAPTON	Stream	0	0h	-
South West Water	LOVE LN_CSO_MARLDON	Aller Brook	0	0h	-
South West Water	SMITH ST_CSO_DARTMOUTH	River Dart Via Sws	0	0h	-
South West Water	INNER HOPE COVE SPS_PSCSOEO_HOPE COVE	Hope Cove	0	0h	-
South West Water	EDEN PARK_CSO_BRIXHAM	Higher Brixham Stream	0	0h	-
South West Water	KILN ROAD SPS_PSCSOEO_GALMPTON	Galmpton Stream	0	0h	-
South West Water	OUTER HOPE COVE SPST_PSCSOEO_HOPE COVE	Hope Cove	0	0h	-
South West Water	FIELD ADJ COUNCIL HSES_CSO_BLACKAWTON	Blackawton Stream	0	0h	-
South West Water	EAST ALLINGTON STW_SSO_EAST ALLINGTON	Small Brook	0	0h	-
South West Water	RINGMORE STW_SO_RINGMORE	Ringmore Stream	0	0h	-
South West Water	SLAPTON STW_SSO_SLAPTON	Start Bay/Slapton Ley	0	0h	-
South West Water	WESTVILLE SPST_PSCSOEO_KINGSBRIDGE	Kingsbridge Estuary	0	0h	-
South West Water	MODBURY STW_SSO_MODBURY	Ayleston Brook	0	0h	-
South West Water	MILL CREEK SPS_PSCSOEO_DITTISHAM	Dittisham Mill Creek-Estuarine	0	0h	-
South West Water	CHILLINGTON STW_SSO_CHILLINGTON	Chillington Stream	0	0h	-
South West Water	BRIDGE STREET_CSO_KINGSBRIDGE	Kingsbridge Estuary	0	0h	-
South West Water	PINHEY EJECTOR SPS_PSCSOEO_MALBOROUGH	Blanksmill Creek	0	0h	-
South West Water	SHADYCOMBE TANK_CSOEO_SALCOMBE	Shadycombe Creek	0	0h	-
South West Water	BATSON SPS_PSCSOEO_SALCOMBE	Baston Creek	0	0h	-
South West Water	O/SEAS EST W SPS_PSCSOEO_STOKE FLEMING	English Channel	0	0h	-
South West Water	SOUTHVILLE SPST_PSCSOEO_KINGSBRIDGE	Kingsbridge Estuary	0	0h	-
South West Water	CHILLINGTON SPS_PSCSOEO_CHILLINGTON	Frogmore Stream	0	0h	-
South West Water	HOLNE STW_SO_HOLNE	Holy Brook	0	0h	-
South West Water	HARBERTONFORD STW_SSO_HARBERTONFORD	Harbourne River	0	0h	-
South West Water	DARTINGTON SCH TWO_CSO_DARTINGTON	Bidwell Brook	0	0h	-
South West Water	COMPTON CASTLE_CSO_COMPTON	Aller Brook	0	0h	-
South West Water	MAYFLOWER DRIVE_CSO_BRIXHAM	Higher Brixham Stream	0	0h	-
South West Water	31 FORE STREET_CSO_TOTNES	River Dart	0	0h	-
South West Water	SOUTH MILTON STW_SSO_SOUTH MILTON	South Milton Stream	0	0h	-
South West Water	EAST PRAWLE STW_SO_SALCOMBE	Unnamed Coastal Stream	0	0h	-
South West Water	BLACKAWTON STW_SSO_BLACKAWTON	Blackawton Stream	0	0h	-
South West Water	BOLTON STREET_CSO_BRIXHAM	English Channel	0	0h	-
South West Water	SHADYCOMBE TK LOWER TUNNELS_CSO_SALCOMBE	Batson Creek	0	0h	-
South West Water	CARAVAN PARK_CSO_STOKENHAM	Slapton Ley	0	0h	-
South West Water	ST JOHNS TERRACE_CSO_TOTNES	Malt Mill Lake Via Sw Sewer	0	0h	-
South West Water	TEXTILE MILL_CSO_DARTINGTON	Bidwell Brook	0	0h	-
South West Water	THE WARREN SPST_PSCSOEO_BIGBURY ON SEA	Bigbury Bay	0	0h	-
South West Water	SOUTH MILTON_CSO_SOUTH MILTON	Stream	0	0h	-
South West Water	DARTHAVEN MARINA SPS_PSCSOEO_KINGSWEAR	River Dart	0	0h	-
South West Water	SOUTH BRENT STW_SO_SOUTH BRENT	River Avon	0	0h	-
South West Water	WARFLEET CREEK SPS_PSCSOEO_DARTMOUTH	River Dart Estuary	0	0h	-
South West Water	WEST CHARLETON STW_SSO_CHARLETON	Charleton Stream	0	0h	-
South West Water	DIPTFORD STW_SO_DIPTFORD	River Avon	0	0h	-
South West Water	O/SEAS EST W SPS_PSCSOEO_STOKE FLEMING	English Channel	0	0h	-
South West Water	DITCH END S T_PSCSOEO_EAST PORTLEMOUTH	Salcombe Estuary	0	0h	-
South West Water	CORNWORTHY STW_SSO_DARTMOUTH	Dart Estuary	0	0h	-
South West Water	ST JOHNS TERRACE_CSO_TOTNES	Malt Mill Lake Via Sw Sewer	0	0h	-
South West Water	PRIORY SLIP SPS_PSCSOEO_KINGSWEAR	Dart Estuary	0	0h	-

South Devon - Live Sewage

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