Top of the Poops | Constituency Sewage Map - 2025 Data| South West Devon

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You're looking at the totals that we have calculated for sewage in South West 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.

Totals for South West Devon in 2025

Sewage30,926 hours

Monitoring offline1,921 hours

Potential pollution112 hours

Storm overflows131

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Company	Site Name	Receiving Waterway	Overflow Days	Total Duration (hours)	Offline/Potential Pollution
South West Water	STOKE HILL STW_SSO_CRAPSTONE	Milton Stream	100	1,631h 49m	-
South West Water	GRATTON_CSO_YELVERTON	River Meavy	128	1,464h 55m	-
South West Water	LUTTON STW_SSO_LUTTON	Unknown	90	1,418h 58m	-
South West Water	WALKHAMPTON STW_SSO_WALKHAMPTON	River Walkham	74	1,349h 41m	-
South West Water	STOKE HILL STW_SSO_CRAPSTONE	Milton Stream	55	1,287h 42m	-
South West Water	GRATTON_CSO_YELVERTON	River Meavy	56	1,249h 56m	-
South West Water	WALKHAMPTON STW_SSO_WALKHAMPTON	River Walkham	53	1,212h 4m	-
South West Water	BEDFORD BRIDGE_CSO_HORRABRIDGE	River Walkham	84	1,112h 25m	-
South West Water	LUTTON STW_SSO_LUTTON	Unknown	51	1,084h 37m	-
South West Water	STOKE HILL STW_SO_CRAPSTONE	Milton Stream	66	1,052h 7m	-
South West Water	BEDFORD BRIDGE_CSO_HORRABRIDGE	River Walkham	48	1,044h 33m	-
South West Water	STOKE HILL STW_SO_CRAPSTONE	Milton Stream	47	1,036h 6m	-
South West Water	IVYBRIDGE STW_SSO_IVYBRIDGE 1	River Erme	46	958h 58m	-
South West Water	GRATTON STW_SSO_YELVERTON	River Meavy	51	924h 33m	-
South West Water	WEMBURY STW_SSO_WEMBURY	Wembury Bay	41	760h 55m	-
South West Water	SPARKWELL STW_SSO_SPARKWELL	Silverbridge Lake	48	739h 33m	-
South West Water	WEMBURY STW_SSO_WEMBURY	Wembury Bay	33	725h 10m	-
South West Water	SPARKWELL STW_SSO_SPARKWELL	Silverbridge Lake	33	700h 58m	-
South West Water	3 ST PETERS CLOSE_CSO_PLYMOUTH	Long Brook Via Sws	47	670h 16m	-
South West Water	IVYBRIDGE STW_SSO_IVYBRIDGE 1	River Erme	39	665h 5m	-
South West Water	UGBOROUGH STW_SSO_UGBOROUGH	Unknown	35	648h 2m	-
South West Water	BUCKLAND MONACHORUM STW_SSO_BUCKLAND MON	River Tavy	33	615h 36m	-
South West Water	BRIDGEND SPS_PSCSOEO_NEWTON FERRERS	Newton Creek	33	600h 2m	577 h
South West Water	LUTTON STW_SO_LUTTON	Unknown	37	594h 41m	-
South West Water	MARSH MILLS STW_SSO_PLYMPTON	River Plym	33	573h	-
South West Water	HOLBETON STW_SSO_HOLBETON	River Erme	22	375h 52m	0 h
South West Water	LUTTON STW_SO_LUTTON	Unknown	60	339h 54m	-
South West Water	MARSH MILLS STW_SSO_PLYMPTON	River Plym	56	337h 39m	73 h
South West Water	BUCKLAND MONACHORUM STW_SSO_BUCKLAND MON	River Tavy	20	325h 45m	-
South West Water	BRIDGEND SPS_PSCSOEO_NEWTON FERRERS	Newton Creek	19	323h 26m	-
South West Water	LEE MILL SPS_PSCSOEO_PLYMOUTH	River Yealm	20	293h 25m	-
South West Water	HARROWBEER_CSO_YELVERTON	River Tavy	29	280h 50m	-
South West Water	LEE MILL STW_SO_PLYMOUTH	Unknown	74	240h 20m	1 h
South West Water	PLYMOUTH RD OPP DINGLE RD_CSO_PLYMPTON	Tory Brook	46	226h 46m	-
South West Water	TOWN HILL_CSO_ERMINGTON	River Erme	17	224h 37m	-
South West Water	LAKE LN_CSO_DOUSLAND	River Meavy	23	222h 18m	-
South West Water	LEE MILL STW_SO_PLYMOUTH	Unknown	33	202h 46m	-
South West Water	IVYBRIDGE STW_SSO_IVYBRIDGE 2	River Erme	21	195h 1m	-
South West Water	CORNWOOD SPST_PSCSOEO_LUTTON	River Yealm	16	192h 10m	-
South West Water	CHAPEL LN_CSO_HORRABRIDGE	River Walkham	18	173h 26m	-
South West Water	3 ST PETERS CLOSE_CSO_PLYMOUTH	Long Brook Via Sws	57	167h 9m	-
South West Water	RADFORD STW_SSO_PLYMOUTH	Hooe Lake	11	155h 36m	-
South West Water	HARROWBEER_CSO_YELVERTON	River Tavy	43	145h 56m	-
South West Water	MARKET ROAD_CSO_PLYMPTON	Longbrook	19	142h 19m	-
South West Water	CHAPEL LN_CSO_HORRABRIDGE	River Walkham	12	123h 59m	-
South West Water	YEALMPTON STW_SSO_YEALMPTON	River Yealm	9	113h 14m	-
South West Water	CLEARBROOK STW_SSO_CLEARBROOK	Unknown	12	97h	-
South West Water	HOLBETON STW_SO_HOLBETON	River Erme	21	96h 48m	-
South West Water	WEMBURY BEACH SPST_PSCSOEO_WEMBURY	Wembury Bay	7	93h 34m	26 h
South West Water	HEYBROOK BAY SPS_PSCSOEO_WEMBURY	English Channel- Heybrook Bay	19	83h 42m	-
South West Water	HMS CAMBRIDGE SPS_PSCSOEO_WEMBURY	English Channelat Wembury Bay	8	76h 18m	-
South West Water	CLEARBROOK STW_SSO_CLEARBROOK	Unknown	12	74h 10m	-
South West Water	TOWN HILL_CSO_ERMINGTON	River Erme	11	72h 31m	-
South West Water	GRATTON STW_SO_YELVERTON	River Meavy	19	71h 45m	-
South West Water	ELBURTON SOUTH SPS_PSCSOEO_PLYMOUTH	River Yealm Est	13	67h 17m	-
South West Water	LEE MILL SPS_PSCSOEO_PLYMOUTH	River Yealm	17	65h 4m	-
South West Water	RADFORD STW_SSO_PLYMOUTH	Hooe Lake	12	60h 17m	0 h
South West Water	MARKET ROAD_CSO_PLYMPTON	Longbrook	24	59h 52m	-
South West Water	CORNWOOD SPST_PSCSOEO_LUTTON	River Yealm	18	55h 43m	-
South West Water	LAKE LN_CSO_DOUSLAND	River Meavy	16	55h 34m	-
South West Water	HEYBROOK BAY SPS_PSCSOEO_WEMBURY	English Channel- Heybrook Bay	41	52h 3m	-
South West Water	BRIXTON STW_SSO_BRIXTON	Broad Ooze, Yealm Estuary	21	50h 50m	-
South West Water	CHURCH WAY_CSO_YEALMPTON	River Yealm	6	50h 16m	47 h
South West Water	GLENVIEW_CSO_YELVERTON	River Meavy	12	44h 25m	-
South West Water	GLENVIEW_CSO_YELVERTON	River Meavy	11	42h 16m	-
South West Water	UGBOROUGH STW_SO_UGBOROUGH	Unknown	19	38h 28m	237 h
South West Water	ELBURTON SOUTH SPS_PSCSOEO_PLYMOUTH	River Yealm Est	21	38h 4m	-
South West Water	PLYMOUTH RD OPP DINGLE RD_CSO_PLYMPTON	Tory Brook	18	35h 14m	-
South West Water	GABBER INJECTOR SPS_PSCSOEO_WEMBURY	Hey Brook	7	33h 50m	-
South West Water	ORESTON QUAY SPST_PSCSOEO_PLYMOUTH	River Plym Estuary	22	32h 18m	-
South West Water	UGBOROUGH STW_SO_UGBOROUGH	Unknown	31	30h 52m	27 h
South West Water	YEALMPTON SPST_PSCSOEO_YEALMPTON	River Yealm	4	30h 14m	-
South West Water	IVYBRIDGE STW_SSO_IVYBRIDGE 2	River Erme	10	28h 48m	-
South West Water	TURNCHAPEL BARRACKS SPS_PSCSOEO_PLYMOUTH	Cattewater	18	27h 30m	-
South West Water	RADFORD STW_SO_PLYMOUTH	Hooe Lake	21	26h 52m	-
South West Water	DARK STREET LANE TANK_CSO_PLYMPTON	Longbrook Stream	9	26h 29m	-
South West Water	RADFORD STW_SO_PLYMOUTH	Hooe Lake	15	25h 55m	-
South West Water	ORESTON QUAY SPST_PSCSOEO_PLYMOUTH	River Plym Estuary	10	25h 4m	-
South West Water	TURNCHAPEL SLIPWAY SPS_PSCSOEO_PLYMOUTH	Cattewater	20	24h 50m	-
South West Water	ERMINGTON STW_SO_ERMINGTON	River Erme	6	22h 3m	-
South West Water	WEMBURY BEACH SPST_PSCSOEO_WEMBURY	Wembury Bay	5	19h 22m	-
South West Water	TURNCHAPEL BARRACKS SPS_PSCSOEO_PLYMOUTH	Cattewater	9	16h 25m	-
South West Water	TINWOOD_CSO_SPARKWELL	Silverbridge Lake	4	15h 52m	-
South West Water	GABBER INJECTOR SPS_PSCSOEO_WEMBURY	Hey Brook	9	15h 45m	577 h
South West Water	YEALMPTON STW_SSO_YEALMPTON	River Yealm	5	15h 40m	-
South West Water	MEAVY S T STW_SO_DOUSLAND	River Meavy	11	15h 32m	-
South West Water	TURNCHAPEL SLIPWAY SPS_PSCSOEO_PLYMOUTH	Cattewater	11	14h 28m	-
South West Water	DARK STREET LANE TANK_CSO_PLYMPTON	Longbrook Stream	16	13h 38m	-
South West Water	TORBRIDGE SOUTH_CSO_YEALMPTON	River Yealm	5	13h 3m	-
South West Water	HOLBETON STW_SO_HOLBETON	River Erme	20	11h 57m	-
South West Water	HMS CAMBRIDGE SPS_PSCSOEO_WEMBURY	English Channelat Wembury Bay	7	11h 47m	-
South West Water	BILLACOMBE_PSCSOEO_PLYMOUTH	Pomphlett Creek	13	11h 20m	-
South West Water	HOOE LAKE SPST_PSCSOEO_PLYMSTOCK	Hooe Lake, Plym Estuary	4	10h 42m	-
South West Water	MARINE ROAD NO1 SPS_PSCSOEO_PLYMSTOCK	Cattewater Plym Estuary	6	9h 54m	-
South West Water	HOOE LAKE SPST_PSCSOEO_PLYMSTOCK	Hooe Lake, Plym Estuary	4	8h 59m	-
South West Water	BRIXTON STW_SSO_BRIXTON	Broad Ooze, Yealm Estuary	2	8h 45m	-
South West Water	ERMINGTON STW_SO_ERMINGTON	River Erme	7	8h 31m	-
South West Water	MARINE ROAD NO1 SPS_PSCSOEO_PLYMSTOCK	Cattewater Plym Estuary	5	8h 26m	-
South West Water	TINWOOD_CSO_SPARKWELL	Silverbridge Lake	3	8h 10m	-
South West Water	UGBOROUGH STW_SSO_UGBOROUGH	Unknown	5	6h 32m	-
South West Water	MEAVY S T STW_SO_DOUSLAND	River Meavy	3	6h 18m	31 h
South West Water	YEALMPTON SPST_PSCSOEO_YEALMPTON	River Yealm	2	4h 38m	-
South West Water	HOLBETON STW_SSO_HOLBETON	River Erme	12	4h 23m	85 h
South West Water	BILLACOMBE_PSCSOEO_PLYMOUTH	Pomphlett Creek	7	4h 15m	-
South West Water	NEWNHAM ROAD_CSO_COLEBROOK	Tory Brook Via Sws	5	4h 7m	-
South West Water	TORBRIDGE SOUTH_CSO_YEALMPTON	River Yealm	4	3h 30m	-
South West Water	NEWNHAM ROAD_CSO_COLEBROOK	Tory Brook Via Sws	10	3h 21m	-
South West Water	HOOE ROAD_CSO_PLYMOUTH	Hooe Lake Via Sws	8	2h 48m	-
South West Water	COURTWOOD SPS_PSCSOEO_NEWTON FERRERS	River Yealm Estuary	3	1h 24m	-
South West Water	WINSTON LN_CSO_BRIXTON	Silverbridge Lake	3	1h 1m	-
South West Water	SALTRAM TERRACE_CSO_PLYMOUTH	Tory Brook	3	0h 55m	-
South West Water	TORBRIDGE NORTH_CSO_YEALMPTON	River Yealm	6	0h 42m	-
South West Water	KILN QUAY SPS_PSCSOEO_NEWTON FERRERS	Newton Creek	2	0h 33m	-
South West Water	HOOE ROAD_CSO_PLYMOUTH	Hooe Lake Via Sws	3	0h 30m	-
South West Water	BITTAFORD STW_SSO_BITTAFORD	River Erme	1	0h 27m	-
South West Water	BITTAFORD STW_SSO_BITTAFORD	River Erme	2	0h 20m	-
South West Water	PLAYING FIELD_CSO_ERMINGTON	River Erme	2	0h 20m	-
South West Water	PAVILIONS SPST_PSCSOEO_IVYBRIDGE	River Erme	1	0h 20m	-
South West Water	WINSTON LN_CSO_BRIXTON	Silverbridge Lake	1	0h 19m	-
South West Water	RIVERSIDE NO. 1_CSO_NEWTON FERRERS	Newton Creek	1	0h 2m	-
South West Water	COURTWOOD SPS_PSCSOEO_NEWTON FERRERS	River Yealm Estuary	0	0h	-
South West Water	RIVERSIDE NO. 1_CSO_NEWTON FERRERS	Newton Creek	0	0h	-
South West Water	MOORLAND RD_CSO_PLYMOUTH	Tory Brook	0	0h	-
South West Water	SALTRAM TERRACE_CSO_PLYMOUTH	Tory Brook	0	0h	-
South West Water	GRATTON STW_SSO_YELVERTON	River Meavy	0	0h	-
South West Water	PLAYING FIELD_CSO_ERMINGTON	River Erme	0	0h	-
South West Water	KILN QUAY SPS_PSCSOEO_NEWTON FERRERS	Newton Creek	0	0h	-
South West Water	CHURCH WAY_CSO_YEALMPTON	River Yealm	0	0h	-
South West Water	NOSS MAYO SPST_PSCSOEO_NEWTON FERRERS	Newton Creek	0	0h	347 h
South West Water	PAVILIONS SPST_PSCSOEO_IVYBRIDGE	River Erme	0	0h	-
South West Water	TORBRIDGE NORTH_CSO_YEALMPTON	River Yealm	0	0h	-

South West Devon - 2025 Sewage

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