Top of the Poops | Constituency Sewage Map | St Ives

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Live data for St Ives in 2026

So far this year (as of 25 Oct 2026, 22:00) there has been 15,603 hours of sewage overflows, from 95 CSO Combined Sewage Overflow - a device that, when operating, pours combined rainwater & sewage into a waterway s - that's 1.81 years!

Sewage without rain in St Ives

On 3 occasions since December 2024, no rain fell anywhere in St Ives for days — and its CSO Combined Sewage Overflow - a device that, when operating, pours combined rainwater & sewage into a waterway s discharged anyway.

16 Jan - 19 Jan 2025 3 at once · 193h 9 Oct 2025 1 at once · 0h 19 Mar 2025 1 at once · 0h

Totals for St Ives in 2025

44 Sites polluted by South West Water

1,462 sewage dumps

11,887 hours duration

Sewage pollution map of St Ives: 1,462 spills in 2025, lasting 11,887 hours, by South West Water

That's 1.38 years. On average 4 times a day

Change Over Time

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Company	Waterway	Site	Sewage Dumps	Duration (Hours)	Reporting %
South West Water	Unknown	PRAZE AN BEEBLE STW	147	3,152	100
South West Water	Atlantic / Porth Nanven Stream	COT VALLEY PUMPING STATION	100	2,056	100
South West Water	Stream	BOJEWYAN PSCSO/EO	47	872	100
South West Water	English Channel	THE LIZARD PUMPING STATION	54	693	99.9
South West Water	Ludgvan Stream	LUDGVAN SCHOOL CSO	47	568	100
South West Water	Unknown	PERRANUTHNOE PUMPING STATION	50	565	100
South West Water	Atlantic	HAYLE SEWAGE TREATMENT WORKS	49	474	100
South West Water	Atlantic Ocean, Off Porthcurno	PORTHCURNO VALLEY PUMPING STATION	24	394	100
South West Water	River Cober	HELSTON WWTW	32	340	97.4
South West Water	Surface Water Drain To Chyandr	BOLITHO ROAD CSO	106	329	99.5
South West Water	Trevedran Stream	ST BURYAN WWTW	36	311	100
South West Water	Tregaseal Stream	ST JUST (TREGASEAL 1) SSO	18	274	100
South West Water	English Channel	HELLARCHER PUMPING STATION	74	245	100
South West Water	Atlantic Ocean,Off Sennen Cove	SENNEN COVE PUMPING STATION	21	223	99.2
South West Water	Unknown	ST KEVERNE STW	22	143	100
South West Water	Atlantic Ocean Coastal	GEEVOR MINE PUMPING STATION	31	129	100
South West Water	Longrock Stream	GLADSTONE TERRACE NORTH	23	124	100
South West Water	Atantic Ocean	LOWER BOSCASWELL CSO	72	119	100
South West Water	Atlantic / Porth Nanven Stream	BOSORNE ROAD SEWER OVERFLOW	56	100	99.2
South West Water	Coverack Cove	COVERACK MILL PS	24	99	98.6
South West Water	Local Stream	FINNS CSO	52	97	100
South West Water	Church Cove	CHURCH COVE ROAD PS	13	91	100
South West Water	English Channel	CADGWITH NEW ROAD PSCSO/EO	10	66	100
South West Water	River Cober Via Sws	COINAGEHALL STREET CSO	61	66	81.5
South West Water	Atlantic Ocean	BOTALLACK PUMPING STATION	37	63	100
South West Water	Mounts Bay	PORTHLEVEN HARBOUR ATTENUATION	13	53	100
South West Water	Atlantic Ocean	CSO AT ATLANTIC HOTEL	60	52	100
South West Water	Local Stream	NANCHERROW HILL CSO	30	49	93.5
South West Water	Atlantic Ocean	BOSWEDDEN PUMPING STATION	8	22	100
South West Water	Mounts Bay	MOUSEHOLE PUMPING STATION	31	22	100
South West Water	Local Stream	OUTSIDE 5 TREVARRACK LANE CSO	48	20	100
South West Water	Polurrian Cove	MULLION TRANSFER PS	9	11	100
South West Water	English Channel	LAFLOUDER LANE PUMPING STATION	1	9	100
South West Water	Stream	GOLDSITHNEY PSCSO/EO	4	8	100
South West Water	St Ives Bay Atlantic Ocean	PORTHMINSTER POINT 1 EO	6	7	99.9
South West Water	Mounts Bay English Channel	MOUSEHOLE HARBOUR (SOUTH SLIP) CSO	17	7	100
South West Water	St Ives Bay	BAMALUZ POINT STORM WATER & EO	3	4	100
South West Water	Mounts Bay	LONGROCK INDUSTRIAL ESTATE	6	3	100
South West Water	St Ives Bay	WESCOTS QUAY CSO	6	1	98.5
South West Water	Coverack Cove	COVERACK HARBOUR PSEO/CSO	7	1	99.2
South West Water	River Cober	HELSTON MARKET PUMPING STATION	3	1	100
South West Water	Mounts Bay	ALBERT PIER PUMPING STATION	1	0	100
South West Water	Porthallow Stream	PORTHALLOW SEWAGE PUMPING STATION	1	0	100
South West Water	River Cober	GRANGE ROAD CSO	2	0	100
South West Water	Mounts Bay, English Channel	BREAGESIDE PUMPING STATION (PORTHLE	0	0	100
South West Water	Red River	CROWLAS BRIDGE PUMPING STATION	0	0	100
South West Water	River Cober Via Sws	MONUMENT ROAD CSO	0	0	100
South West Water	Helford Creek	SHIPWRIGHTS PUMPING STATION	0	0	99.9

St Ives

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Live data for St Ives in 2026

Sewage without rain in St Ives

Totals for St Ives in 2025

44 Sites polluted by South West Water

Change Over Time

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