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March for Clean Water

St Ives was polluted by sewage 1,708 times in 2023
lasting 11,602 hours - that's 1.34 years!
- but monitoring was disabled in some locations, so could be more

Select the constituency from the drop-down

Constituency

✔ means we have experimental daily data since 2023

Totals for St Ives in 2023

42 Sites polluted by South West Water

1,708 sewage dumps
11,602 h duration

That's 1.34 years! On average 4.7 times a day

Change Over Time

Take Action

Your local MP is Andrew George (Liberal Democrat) - Find out more about their interests, donors, and voting at They Work For You

Constituencies near St Ives

Waterways in St Ives

Pollution Summary 2023

Here are all the reported sewage overflow totals for St Ives in 2023. Sometimes sewage can be being dumped for months at a time.

Reporting refers to how much of the time the monitoring was active. In this constituency 2 of the total 50 CSO locations had reporting enabled for less than half the year, of which 2 had zero reporting.

Company	Waterway	Site	Sewage Dumps	Duration (Hours)	Reporting %
South West Water	Unknown	PRAZE AN BEEBLE STW	74	1,462	77.05
South West Water	Atlantic	HAYLE SEWAGE TREATMENT WORKS	96	1,383	100
South West Water	Atlantic / Porth Nanven Stream	COT VALLEY PUMPING STATION	57	1,143	63.3
South West Water	Atlantic Ocean, Off Porthcurno	PORTHCURNO VALLEY PUMPING STATION	64	1,038	100
South West Water	English Channel	THE LIZARD PUMPING STATION	86	995	100
South West Water	Unknown	PERRANUTHNOE PUMPING STATION	72	913	100
South West Water	Stream	BOJEWYAN PSCSO/EO	46	863	100
South West Water	Atlantic Ocean,Off Sennen Cove	SENNEN COVE PUMPING STATION	42	517	100
South West Water	Tregaseal Stream	ST JUST (TREGASEAL 1) SSO	111	441	100
South West Water	Unknown	ST KEVERNE STW	61	440	100
South West Water	Trevedran Stream	ST BURYAN WWTW	40	346	99.3
South West Water	Surface Water Drain To Chyandr	BOLITHO ROAD CSO	112	321	100
South West Water	Atlantic Ocean	CSO AT ATLANTIC HOTEL	53	265	100
South West Water	English Channel	HELLARCHER PUMPING STATION	72	214	99.7
South West Water	Local Stream	FINNS CSO	65	168	96.6
South West Water	Local Stream	NANCHERROW HILL CSO	60	146	100
South West Water	Coverack Cove	COVERACK MILL PS	37	136	100
South West Water	River Cober Via Sws	COINAGEHALL STREET CSO	82	114	100
South West Water	Polurrian Cove	MULLION TRANSFER PS	27	76	100
South West Water	Atlantic / Porth Nanven Stream	BOSORNE ROAD SEWER OVERFLOW	58	74	98.1
South West Water	Atlantic Ocean Coastal	GEEVOR MINE PUMPING STATION	26	69	100
South West Water	English Channel	CADGWITH NEW ROAD PSCSO/EO	9	61	100
South West Water	Ludgvan Stream	LUDGVAN SCHOOL CSO	29	60	60.9
South West Water	Atantic Ocean	LOWER BOSCASWELL CSO	56	55	82.3
South West Water	Atlantic Ocean	BOTALLACK PUMPING STATION	32	53	99.4
South West Water	Mounts Bay English Channel	MOUSEHOLE HARBOUR (SOUTH SLIP) CSO	30	39	100
South West Water	Mounts Bay	MOUSEHOLE PUMPING STATION	46	33	100
South West Water	Local Stream	OUTSIDE 5 TREVARRACK LANE CSO	59	28	100
South West Water	Longrock Stream	GLADSTONE TERRACE NORTH	14	28	100
South West Water	Atlantic Ocean	NEW GRIMSBY PUMPING STATION	14	20	100
South West Water	Mounts Bay	PORTHLEVEN HARBOUR ATTENUATION	11	17	100
South West Water	Coverack Cove	COVERACK HARBOUR PSEO/CSO	31	15	100
South West Water	English Channel	LAFLOUDER LANE PUMPING STATION	7	14	100
South West Water	Atlantic Ocean	BOSWEDDEN PUMPING STATION	7	13	100
South West Water	River Cober	HELSTON MARKET PUMPING STATION	5	11	100
South West Water	Mounts Bay	LONGROCK INDUSTRIAL ESTATE	4	4	100
South West Water	St Ives Bay	BAMALUZ POINT STORM WATER & EO	3	2	100
South West Water	Church Cove	CHURCH COVE ROAD PS	2	2	100
South West Water	River Cober Via Sws	MONUMENT ROAD CSO	3	1	100
South West Water	St Ives Bay Atlantic Ocean	PORTHMINSTER POINT 1 EO	2	1	100
South West Water	River Cober	GRANGE ROAD CSO	2	0	100
South West Water	St Ives Bay	WESCOTS QUAY CSO	1	0	100
South West Water	Local Stream	REAR OF 12 PENDREA CLOSE CSO	0	0	0
South West Water	Porthallow Stream	PORTHALLOW SEWAGE PUMPING STATION	0	0	100
South West Water	River Cober	HELSTON WWTW	0	0	0
South West Water	Stream	GOLDSITHNEY PSCSO/EO	0	0	100
South West Water	Helford Creek	SHIPWRIGHTS PUMPING STATION	0	0	100
South West Water	Mounts Bay, English Channel	BREAGESIDE PUMPING STATION (PORTHLE	0	0	61
South West Water	Mounts Bay	ALBERT PIER PUMPING STATION	0	0	100
South West Water	Red River	CROWLAS BRIDGE PUMPING STATION	0	0	100

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. This 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.

Analysing sewage pollution by the Water Industry

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