Top of the Poops | Constituency Sewage Map - Live Data| South East Cornwall

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You're looking at the totals that we have calculated for sewage in South East Cornwall 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 East Cornwall in 2026

Sewage32,388 hours

Monitoring offline7,256 hours

Potential pollution2,904 hours

Storm overflows200

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Company	Site Name	Receiving Waterway	Overflow Days	Total Duration (hours)	Offline/Potential Pollution
South West Water	PELYNT STW_SSO_PELYNT	River Pol	85	1,835h 36m	-
South West Water	COMMON MOOR STW_SO_COMMON MOOR	River Fowey	102	1,812h 50m	-
South West Water	GUNNISLAKE STW_SSO_GUNNISLAKE	River Tamar	79	1,584h 10m	-
South West Water	LUXULYAN STW_SSO_ST AUSTELL	Unknown	79	1,578h 18m	24 h
South West Water	METHERELL STW_SSO_METHERELL	River Tamar	63	1,401h 51m	-
South West Water	GOLBERDON STW_SO_GOLBERDON	River Lynher	72	1,357h 18m	-
South West Water	ST NEOT STW_SO_ST NEOT	St Neot River	87	1,355h 40m	-
South West Water	COULSONS PARK SPST_PSCSOEO_LOSTWITHIEL	River Fowey	64	1,226h 31m	19 h
South West Water	ST CLEER STW_SSO_LISKEARD	Tremar Stream	59	1,156h 29m	-
South West Water	MILLBROOK STW_SSO_MILLBROOK	Millbrook Lake	59	1,104h 16m	-
South West Water	ST DOMINICK STW_SO_CALLINGTON	River Tamar Estuary	53	1,101h 25m	-
South West Water	ST NEOT SPS_PSCSOEO_LISKEARD	River Loveny	58	1,064h 38m	-
South West Water	HATT STW_SSO_HATT	River Lynher	46	924h 50m	-
South West Water	SEATON SPS_PSCSOEO_SEATON	English Channel	46	903h 3m	0 h
South West Water	CROWS NEST STW_SO_DARITE	River Seaton	60	879h 25m	-
South West Water	GUNNISLAKE NO. 2_CSO_GUNNISLAKE	River Tamar Via Sws	70	876h 19m	2,852 h
South West Water	THE SQUARE CAWSAND_PSCSOEO_CAWSAND	Cawsand Bay Estaurine Via Sws	41	793h 14m	-
South West Water	LANDRAKE STW_SO_LANDRAKE	Landrake Stream	44	782h 5m	-
South West Water	ANTONY S T SEPTNK_SO_ANTONY	River Lynher Estuary	61	781h 18m	14 h
South West Water	ST DOMINICK_PSCSOEO_SALTASH	River Tamar	49	746h 37m	-
South West Water	MENHENIOT STW_SSO_MENHENIOT	River Seaton	70	744h	-
South West Water	CALLINGTON STW_SSO_CALLINGTON	Haye Valley Stream	47	715h 52m	6 h
South West Water	MINIONS STW_SO_MINIONS	River Seaton	63	686h 21m	2 h
South West Water	LODGEHILL STW_SSO_LISKEARD	East Looe River	53	680h 5m	7 h
South West Water	BONE MILL SPS_PSCSOEO_LOOE	Looe River	90	636h 45m	-
South West Water	HAYE ROAD_CSO_CALLINGTON	Haye Valley Stream	46	425h 2m	-
South West Water	TORPOINT STW_SO_TORPOINT	St John'S Lake	36	381h 57m	-
South West Water	LATCHLEY STW_SO_GUNNISLAKE	River Tamar	25	378h 20m	-
South West Water	PLAIDY SPS_PSCSOEO_LOOE	Looe Bay	45	355h 47m	173 h
South West Water	PLAYING FIELDS_PSCSOEO_CALSTOCK	River Tamar	58	339h 9m	-
South West Water	HARROW BARROW STW_SO_CALLINGTON	Unknown	39	336h 23m	8 h
South West Water	RILLA MILL STW_SO_RILLA MILL	Unknown	20	301h 35m	-
South West Water	PILLATON STW_SSO_PILLATON	River Lynher	23	262h 42m	-
South West Water	DOBWALLS SPS_PSCSOEO_DOBWALLS	Unnamed To West Looe Rivr	23	191h 24m	-
South West Water	DOWNDERRY SPST_PSCSOEO_DOWNDERRY	English Channel	18	183h 32m	-
South West Water	PENSILVA SPST_PSCSOEO_PENSILVA	River Tiddy	15	166h 51m	-
South West Water	PORTWRINKLE SPST_PSCSOEO_PORTWRINKLE	Whitsand Bay	18	163h 33m	10 h
South West Water	MENHENIOT SPST_PSCSOEO_MENHENIOT	River Seaton	14	163h 22m	-
South West Water	RIVERVIEW No2 SPS_PSCSOEO_SALTASH	Saltmill Creek	20	162h 21m	-
South West Water	FORDER MAIN No1 SPS_PSCSOEO_SALTASH	River Lyner	15	157h 36m	565 h
South West Water	LANREATH SPS_PSCSO_LANREATH	Pont Pill	28	149h 37m	-
South West Water	SUNGIRT LANE_CSO_LISKEARD	East Looe River	20	130h 15m	-
South West Water	GUNNISLAKE STW_SO_GUNNISLAKE	River Tamar	39	128h 16m	924 h
South West Water	QUETHIOCK STW_SO_QUETHIOCK	River Tiddy	17	120h 7m	-
South West Water	MARKET STREET SPS_PSCSOEO_KINGSAND	Cawsand Bay	15	86h 51m	-
South West Water	ELIOT DRIVE SPS_PSCSOEO_ST GERMANS	Polbathic Lake	9	82h 6m	4,542 h
South West Water	CARGREEN SPS_PSCSOEO_CARGREEN	River Tamar	34	78h 34m	-
South West Water	ST MELLION_PSCSOEO_ST MELLION	St Mellion Stream	16	76h 20m	-
South West Water	ADIT LANE_CSO_SALTASH	Saltmill Creek	33	73h 10m	-
South West Water	BULLER QUAY_CSO_LOOE	Looe River	28	68h 53m	-
South West Water	ST GERMANS STW_SO_ST GERMANS	Polbathic Lake	12	56h 39m	-
South West Water	MACEY STEPS_CSO_TORPOINT	Hamoaze	29	53h 58m	-
South West Water	METHERELL STW_SO_METHERELL	River Tamar	14	52h 47m	-
South West Water	HANNAFORE SPS_PSCSOEO_LOOE	Looe Bay	20	46h 33m	-
South West Water	MARKET STREET SPS_PSCSO_KINGSAND	Cawsand Bay	33	45h 27m	-
South West Water	TREWIDLAND STW_SO_TREWIDLAND	East Looe River	25	45h	-
South West Water	DULOE STW_SO_DULOE	West Looe River	21	43h 1m	-
South West Water	KELLY_PSCSOEO_CALSTOCK	River Tamar	17	40h 19m	-
South West Water	EAST TAPHOUSE STW_SO_EAST TAPHOUSE	River Fowey	17	34h 5m	5 h
South West Water	POLPERRO FINESCREEN STW_CSO_POLPERRO	English Channel	17	29h 36m	6 h
South West Water	TREDINNICK STW_SO_TREDINNICK	Un-Named Watercourse	15	27h 10m	-
South West Water	WILCOVE SPST_PSCSOEO_TORPOINT	Hamoaze	5	26h 56m	-
South West Water	THANKES PARK SPST_PSCSOEO_TORPOINT	River Tamar	24	24h 54m	296 h
South West Water	ST JOHN S T SEPTNK_SO_ST JOHN	St Johns Leat	27	24h 9m	-
South West Water	WEST LOOE QUAY_CSO_LOOE	Looe River	9	19h 27m	-
South West Water	WIDEGATES STW_SO_LOOE	River Seaton	15	17h 15m	2 h
South West Water	COOMBE ROAD_CSO_SALTASH	River Tamar Estuary	11	16h 7m	-
South West Water	ROWING CLUB NO2_CSO_TORPOINT	River Tamar	14	15h 45m	-
South West Water	POLBATHIC VILLAGE SPS_PSCSOEO_SALTASH	Polbathic Stream	7	10h 14m	-
South West Water	COWDRAY CLOSE_CSO_SALTASH	River Tamar Estuary	9	8h 28m	-
South West Water	LERRYN SPST_PSCSOEO_LERRYN	Tidal River Lerryn	13	6h 50m	-
South West Water	NEW ROAD_CSO_LISKEARD	East Looe River	3	6h 44m	-
South West Water	OLD FERRY ROAD_CSO_SALTASH	Tamar Estuary	9	5h 56m	-
South West Water	BODINNICK_CSO_FOWEY	River Fowey Estuary	5	5h 26m	-
South West Water	WATERSIDE No1 SPST_PSCSOEO_SALTASH	River Tamar Estuary	4	5h 8m	-
South West Water	BLUNTS S T STW_SO_TIDEFORD	Blunts Stream	6	4h 46m	-
South West Water	CHICHESTER CRESCENT_CSO_SALTASH	River Tamar Estuary	4	4h 10m	-
South West Water	BRUNEL BRIDGE_CSO_SALTASH	River Tamar	12	3h 29m	-
South West Water	FORDER No2 SPS_PSCSOEO_SALTASH	River Lyner	3	3h 23m	565 h
South West Water	CHAPELDOWN SPST_PSCSOEO_TORPOINT	Plymouth Sound	5	2h 53m	-
South West Water	CHILSWORTHY STW_SO_GUNNISLAKE	River Tamar	11	2h 28m	75 h
South West Water	CHURCH SQUARE_CSO_MENHENIOT	River Seaton	2	1h 11m	-
South West Water	UPTON CROSS_CSO_RILLA MILL	River Lyner	2	1h	-
South West Water	THE CLEAVE SPS_PSCSOEO_NORTH ROCK	Cawsand Bay	1	0h 54m	-
South West Water	VALLEY VIEW SPS_PSCSOEO_ST KEYNE	East Looe River	1	0h 51m	-
South West Water	POLRUAN QUAY SPS_PSCSOEO_POLRUAN	River Fowey Estuary	3	0h 48m	-
South West Water	RESCORLA_CSO_LUXULYAN	Par Sands	1	0h 27m	55 h
South West Water	ROWING CLUB NO1_CSO_TORPOINT	River Tamar	2	0h 18m	-
South West Water	THE QUAY_CSO_CALSTOCK	River Tamar	2	0h 10m	-
South West Water	DAWS LN_CSO_MILLBROOK	Millbrook Via Sws	1	0h 6m	-
South West Water	METHERELL STW_SSO_METHERELL	River Tamar	0	0h	-
South West Water	TREWIDLAND STW_SO_TREWIDLAND	East Looe River	0	0h	-
South West Water	THANKES PARK SPST_PSCSOEO_TORPOINT	River Tamar	0	0h	-
South West Water	SHEVIOCK S T SEPTNK_SO_SHEVIOCK	River Lynher	0	0h	-
South West Water	ST MELLION COTTS_CSO_SALTASH	Stream	0	0h	-
South West Water	ST CLEER STW_SSO_LISKEARD	Tremar Stream	0	0h	-
South West Water	LERRYN SPST_PSCSOEO_LERRYN	Tidal River Lerryn	0	0h	-
South West Water	HOMER PARK_CSO_SALTASH	Saltmill Creek	0	0h	-
South West Water	THE SQUARE CAWSAND_PSCSOEO_CAWSAND	Cawsand Bay Estaurine Via Sws	0	0h	-
South West Water	PILLATON STW_SSO_PILLATON	River Lynher	0	0h	-
South West Water	LATCHLEY STW_SO_GUNNISLAKE	River Tamar	0	0h	-
South West Water	ELIOT DRIVE SPS_PSCSOEO_ST GERMANS	Polbathic Lake	0	0h	-
South West Water	MINIONS_CSO_MINIONS	East Looe River	0	0h	-
South West Water	GOLBERDON STW_SO_GOLBERDON	River Lynher	0	0h	-
South West Water	CULVER ROAD_CSO_SALTASH	River Tamar Estuary	0	0h	-
South West Water	ANTONY S T SEPTNK_SO_ANTONY	River Lynher Estuary	0	0h	-
South West Water	DOWNDERRY SPST_PSCSOEO_DOWNDERRY	English Channel	0	0h	-
South West Water	COULSONS PARK SPST_PSCSOEO_LOSTWITHIEL	River Fowey	0	0h	-
South West Water	UPTON CROSS_CSO_RILLA MILL	River Lyner	0	0h	-
South West Water	MOORLANDS IND ESTATE SPS_PSCSOEO_SALTASH	River Lynher Estuary	0	0h	-
South West Water	SHEVIOCK S T SEPTNK_SO_SHEVIOCK	River Lynher	0	0h	-
South West Water	MILLBROOK STW_SSO_MILLBROOK	Millbrook Lake	0	0h	-
South West Water	BLUNTS S T STW_SO_TIDEFORD	Blunts Stream	0	0h	-
South West Water	ST DOMINICK STW_SO_CALLINGTON	River Tamar Estuary	0	0h	-
South West Water	PLAYING FIELDS_PSCSOEO_CALSTOCK	River Tamar	0	0h	-
South West Water	CARGREEN SPS_PSCSOEO_CARGREEN	River Tamar	0	0h	-
South West Water	CHURCH SQUARE_CSO_MENHENIOT	River Seaton	0	0h	-
South West Water	POLBATHIC VILLAGE SPS_PSCSOEO_SALTASH	Polbathic Stream	0	0h	-
South West Water	SEATON SPS_PSCSOEO_SEATON	English Channel	0	0h	-
South West Water	DAWS LN_CSO_MILLBROOK	Millbrook Via Sws	0	0h	-
South West Water	HANNAFORE SPS_PSCSOEO_LOOE	Looe Bay	0	0h	-
South West Water	LANDRAKE SPS_PSCSOEO_LANDRAKE	River Lyner	0	0h	-
South West Water	ST MELLION_PSCSOEO_ST MELLION	St Mellion Stream	0	0h	-
South West Water	LAKE LANE SPS_PSCSOEO_LISKEARD	River Seaton	0	0h	1 h
South West Water	HAYE ROAD_CSO_CALLINGTON	Haye Valley Stream	0	0h	-
South West Water	WIDEGATES STW_SO_LOOE	River Seaton	0	0h	-
South West Water	SUNGIRT LANE_CSO_LISKEARD	East Looe River	0	0h	-
South West Water	PLAIDY SPS_PSCSOEO_LOOE	Looe Bay	0	0h	-
South West Water	GUNNISLAKE NO. 1_CSO_GUNNISLAKE	River Tamar	0	0h	-
South West Water	GUNNISLAKE STW_SO_GUNNISLAKE	River Tamar	0	0h	-
South West Water	PELYNT STW_SSO_PELYNT	River Pol	0	0h	-
South West Water	BULLER QUAY_CSO_LOOE	Looe River	0	0h	-
South West Water	LODGEHILL STW_SSO_LISKEARD	East Looe River	0	0h	-
South West Water	CHICHESTER CRESCENT_CSO_SALTASH	River Tamar Estuary	0	0h	-
South West Water	THE QUAY_CSO_CALSTOCK	River Tamar	0	0h	-
South West Water	BONE MILL SPS_PSCSOEO_LOOE	Looe River	0	0h	-
South West Water	MINIONS STW_SO_MINIONS	River Seaton	0	0h	-
South West Water	FORDER No2 SPS_PSCSOEO_SALTASH	River Lyner	0	0h	-
South West Water	HOMER PARK_CSO_SALTASH	Saltmill Creek	0	0h	-
South West Water	THE CLEAVE SPS_PSCSOEO_NORTH ROCK	Cawsand Bay	0	0h	-
South West Water	CHILSWORTHY STW_SO_GUNNISLAKE	River Tamar	0	0h	-
South West Water	LAKE LANE SPS_PSCSOEO_LISKEARD	River Seaton	0	0h	-
South West Water	ST JOHN S T SEPTNK_SO_ST JOHN	St Johns Leat	0	0h	-
South West Water	TORPOINT STW_SO_TORPOINT	St John'S Lake	0	0h	-
South West Water	ADIT LANE_CSO_SALTASH	Saltmill Creek	0	0h	-
South West Water	HARROW BARROW STW_SO_CALLINGTON	Unknown	0	0h	-
South West Water	COMMON MOOR STW_SO_COMMON MOOR	River Fowey	0	0h	-
South West Water	RIVERVIEW No2 SPS_PSCSOEO_SALTASH	Saltmill Creek	0	0h	-
South West Water	MENHENIOT STW_SSO_MENHENIOT	River Seaton	0	0h	-
South West Water	LANDRAKE SPS_PSCSOEO_LANDRAKE	River Lyner	0	0h	-
South West Water	DOBWALLS SPS_PSCSOEO_DOBWALLS	Unnamed To West Looe Rivr	0	0h	-
South West Water	COWDRAY CLOSE_CSO_SALTASH	River Tamar Estuary	0	0h	-
South West Water	WATERSIDE No1 SPST_PSCSOEO_SALTASH	River Tamar Estuary	0	0h	-
South West Water	ST NEOT SPS_PSCSOEO_LISKEARD	River Loveny	0	0h	-
South West Water	KINGSWOOD ROAD SPS_PSCSOEO_GUNNISLAKE	River Tamar	0	0h	-
South West Water	POLPERRO FINESCREEN STW_CSO_POLPERRO	English Channel	0	0h	-
South West Water	MACEY STEPS_CSO_TORPOINT	Hamoaze	0	0h	-
South West Water	CALLINGTON STW_SSO_CALLINGTON	Haye Valley Stream	0	0h	-
South West Water	RIVERVIEW_CSO_SALTASH	Saltmill Creek	0	0h	-
South West Water	MARKET STREET SPS_PSCSO_KINGSAND	Cawsand Bay	0	0h	-
South West Water	PORTWRINKLE SPST_PSCSOEO_PORTWRINKLE	Whitsand Bay	0	0h	-
South West Water	KELLY_PSCSOEO_CALSTOCK	River Tamar	0	0h	-
South West Water	LUXULYAN STW_SSO_ST AUSTELL	Unknown	0	0h	-
South West Water	WEST LOOE QUAY_CSO_LOOE	Looe River	0	0h	-
South West Water	RILLA MILL STW_SO_RILLA MILL	Unknown	0	0h	-
South West Water	RIVERVIEW_CSO_SALTASH	Saltmill Creek	0	0h	-
South West Water	KINGSWOOD ROAD SPS_PSCSOEO_GUNNISLAKE	River Tamar	0	0h	-
South West Water	MARKET STREET SPS_PSCSOEO_KINGSAND	Cawsand Bay	0	0h	-
South West Water	MOORLANDS IND ESTATE SPS_PSCSOEO_SALTASH	River Lynher Estuary	0	0h	-
South West Water	GUNNISLAKE STW_SSO_GUNNISLAKE	River Tamar	0	0h	-
South West Water	PENSILVA SPST_PSCSOEO_PENSILVA	River Tiddy	0	0h	-
South West Water	QUETHIOCK STW_SO_QUETHIOCK	River Tiddy	0	0h	-
South West Water	TREDINNICK STW_SO_TREDINNICK	Un-Named Watercourse	0	0h	-
South West Water	SCAWNS HILL_CSO_MENHENIOT	River Seaton	0	0h	-
South West Water	COOMBE ROAD_CSO_SALTASH	River Tamar Estuary	0	0h	-
South West Water	LANREATH SPS_PSCSO_LANREATH	Pont Pill	0	0h	-
South West Water	HATT STW_SSO_HATT	River Lynher	0	0h	-
South West Water	WILCOVE SPST_PSCSOEO_TORPOINT	Hamoaze	0	0h	-
South West Water	SCAWNS HILL_CSO_MENHENIOT	River Seaton	0	0h	-
South West Water	ST KEYNE MAIN SPST_PSCSOEO_ST KEYNE	West Looe River	0	0h	-
South West Water	RESCORLA_CSO_LUXULYAN	Par Sands	0	0h	-
South West Water	ST NEOT STW_SO_ST NEOT	St Neot River	0	0h	-
South West Water	GUNNISLAKE NO. 2_CSO_GUNNISLAKE	River Tamar Via Sws	0	0h	-
South West Water	BODINNICK_CSO_FOWEY	River Fowey Estuary	0	0h	-
South West Water	METHERELL STW_SO_METHERELL	River Tamar	0	0h	-
South West Water	VALLEY VIEW SPS_PSCSOEO_ST KEYNE	East Looe River	0	0h	-
South West Water	ST DOMINICK_PSCSOEO_SALTASH	River Tamar	0	0h	-
South West Water	ST MELLION COTTS_CSO_SALTASH	Stream	0	0h	-
South West Water	MENHENIOT SPST_PSCSOEO_MENHENIOT	River Seaton	0	0h	-
South West Water	EAST TAPHOUSE STW_SO_EAST TAPHOUSE	River Fowey	0	0h	-
South West Water	ROWING CLUB NO2_CSO_TORPOINT	River Tamar	0	0h	-
South West Water	LANDRAKE STW_SO_LANDRAKE	Landrake Stream	0	0h	-
South West Water	OLD FERRY ROAD_CSO_SALTASH	Tamar Estuary	0	0h	-
South West Water	NEW ROAD_CSO_LISKEARD	East Looe River	0	0h	-
South West Water	BRUNEL BRIDGE_CSO_SALTASH	River Tamar	0	0h	-
South West Water	CROWS NEST STW_SO_DARITE	River Seaton	0	0h	-
South West Water	DULOE STW_SO_DULOE	West Looe River	0	0h	-
South West Water	FORDER MAIN No1 SPS_PSCSOEO_SALTASH	River Lyner	0	0h	-
South West Water	CHAPELDOWN SPST_PSCSOEO_TORPOINT	Plymouth Sound	0	0h	-
South West Water	ROWING CLUB NO1_CSO_TORPOINT	River Tamar	0	0h	-

South East Cornwall - Live Sewage

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