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Live data for Truro and Falmouth in 2026

So far this year (as of 25 Oct 2026, 17:45) there has been 23,585 hours of sewage overflows, from 133 CSO Combined Sewage Overflow - a device that, when operating, pours combined rainwater & sewage into a waterway s - that's 2.73 years!

Sewage without rain in Truro and Falmouth

On 10 occasions since December 2024, no rain fell anywhere in Truro and Falmouth for days — and its CSO Combined Sewage Overflow - a device that, when operating, pours combined rainwater & sewage into a waterway s discharged anyway.

28 Dec - 31 Dec 2025 5 at once · 307h 20 Mar - 23 Mar 2026 4 at once · 148h 1 May 2025 2 at once · 24h

Totals for Truro and Falmouth in 2025

60 Sites polluted by South West Water

2,408 sewage dumps

23,323 hours duration

Sewage pollution map of Truro and Falmouth: 2,408 spills in 2025, lasting 23,323 hours, by South West Water

That's 2.7 years. On average 6.6 times a day

Change Over Time

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Your local MP is Jayne Kirkham (Labour/Co-operative) - Find out more about their interests, donors, and voting at They Work For You

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Company	Waterway	Site	Sewage Dumps	Duration (Hours)	Reporting %
South West Water	Unknown	CHACEWATER STW	170	3,552	98
South West Water	Bolingey Stream	GOONHAVERN WWTW	199	2,807	96.9
South West Water	River Kennal	PONSANOOTH STW SSO	126	2,646	100
South West Water	River Kennall	39 ST MICHAELS COMBINED SEWER OF	153	2,438	100
South West Water	River Fal	GRAMPOUND ROAD PUMPING STATION	132	1,932	100
South West Water	Mylor Creek	MYLOR BRIDGE WWTW	87	1,714	100
South West Water	Penryn River	COMMERCIAL ROAD PUMPING STATION	75	857	100
South West Water	Tresillian River Estuary	LADOCK VALLEY STW	55	715	100
South West Water	Falmouth Bay/ Bickland Wat	SWANVALE PUMPING STATION	42	690	100
South West Water	Truro River Estuary	TRURO (NEWHAM) STW	51	668	100
South West Water	Praze Stream	PRAZE TANK CSO	49	663	93.7
South West Water	Penryn River	FALMOUTH STW INLET & STORM PS	39	582	100
South West Water	Benny Stream	MITCHELL PUMPING STATION	48	578	98.8
South West Water	Carne Stream	VERYAN STW	21	408	100
South West Water	Mylor Creek	MYLOR BRIDGE PSCSO/EO	38	390	100
South West Water	Atlantic Ocean	GORRAN HAVEN PSCSO/EO	50	387	96.1
South West Water	Penryn River	CSO IN HIGH STREET	101	352	100
South West Water	Carnon River	CARNON DOWNS WWTW	21	337	99.1
South West Water	Pill Creek	LOWER TREVILLA PUMPING STATION	26	223	100
South West Water	Penryn River	CSO AT NORTH PARADE	97	212	100
South West Water	Carnon River	QUENCHWELL PUMPING STATION	27	182	100
South West Water	Portmellon Stream	GORRAN CHURCHTOWN PUMPING STATION	30	117	100
South West Water	Freshwater	BOSVIGO LANE CSO	8	95	100
South West Water	River Gannel	ST NEWLYN EAST WWTW	74	92	100
South West Water	Penryn River	CSO AT DUNSTANVILLE TERRACE	47	85	100
South West Water	River Fal	TREGONY BRIDGE PUMPING STATION	10	64	100
South West Water	River Kenwyn[S]	ROBERTS OPE CSO	38	56	100
South West Water	River Carnon Estuary	DEVORAN PUMPING STATION	9	55	100
South West Water	Penryn River	CSO OFF PENDARVES ROAD	32	49	100
South West Water	Penryn River	CSO AT KILLIGREW STREET	37	41	100
South West Water	Unknown	BLACKWATER STW	41	38	100
South West Water	River Kenwyn	VICTORIA SQUARE CSO	41	36	97.9
South West Water	River Allen	TRELANDER HIGHWAY CSO	46	32	100
South West Water	River Kenwyn	EDWARD STREET CSO	57	31	98
South West Water	Penryn River	ST THOMAS STREET CSO	23	25	100
South West Water	Penryn River	FLUSHING PUMPING STATION	12	23	100
South West Water	Carrick Roads	ST MAWES NO.1 PS	34	22	100
South West Water	Falmouth Bay	QUEEN MARY GARDENS PUMPING STATION	26	19	100
South West Water	River Allen	OLD BRIDGE STREET CAR PARK CSO	18	17	100
South West Water	River Tinney	CALENICK PUMPING STATION	6	17	100
South West Water	Penryn River	GROVE PLACE NO.1 CSO	10	12	100
South West Water	Penryn River	OLD HILL PS	10	12	100
South West Water	Truro River	NEWHAM ROAD PUMPING STATION	5	8	100
South West Water	Crantock Beach	CRANTOCK (BEACH ROAD) SPS	5	5	100
South West Water	Porth Joke	RUZZA PUMPING STATION	7	5	100
South West Water	River Allen	PAULS TERRACE CSO	8	3	94
South West Water	River Kenwyn	HENDRA ROAD CSO	12	2	91.9
South West Water	River Kenwyn	ST GEORGES ROAD (REAR OF NO16) CSO	8	2	100
South West Water	River Kenwyn Via Sws	CALENICK STREET CSO	120	1	99
South West Water	River Allen Via Sws	ST CLEMENT'S HILL CSO	4	1	100
South West Water	River Allen	CAMPFIELD HILL CSO	3	1	100
South West Water	Truro River	MORLAIX AVENUE (FYFFES SLIPWAY) CSO	2	0	96.8
South West Water	Pencabe Drang	PORTSCATHO SEWAGE TREATMENT WORKS	3	0	97.1
South West Water	Penryn River	TEHIDY TERRACE CSO	3	0	92.3
South West Water	River Kenwyn	FRANCES STREET CSO TRURO	2	0	100
South West Water	River Kenwyn	FAIRMANTLE STREET CSO	2	0	100
South West Water	River Kenwyn Via Sws	KING STREET CSO	3	0	100
South West Water	River Kenwyn Via Sws	TABERNACLE STREET CSO	2	0	100
South West Water	River Kenwyn	LEMON MEWS CSO	2	0	100
South West Water	Swanpool	SWANPOOL PSCSO/EO	1	0	98.9
South West Water	Tresillian River Estuary	BOAT YARD PS CSO/EO	0	0	100
South West Water	River Kenwyn	CASTLE STREET CSO	0	0	92.8
South West Water	Penryn River	CSO AT MARKET STREET	0	0	100
South West Water	Stream	ELLENGLAZE PSCSO/EO	0	0	100
South West Water	Kenwyn River	O/S 8 CALLENICK STREET CSO	0	0	0
South West Water	Penryn River	OLD HILL (TRESAWLE RD) CSO	0	0	100
South West Water	Maenporth Stream	PENNANCE MILL TIDAL TANKS CSO	0	0	100
South West Water	English Channel	PORTLOE WASTEWATER TREATMENT WORKS	0	0	99.9
South West Water	Penryn River	PRINCE OF WALES PUMPING STATION	0	0	100
South West Water	Truro River Estuary System	VICTORIA LODGE PS CSO/EO	0	0	100
South West Water	Unknown	VICTORIA QUAY PSCSO/EO	0	0	100
South West Water	Penryn River	WEBBER STREET CSO	0	0	100

Truro and Falmouth

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Live data for Truro and Falmouth in 2026

Sewage without rain in Truro and Falmouth

Totals for Truro and Falmouth in 2025

60 Sites polluted by South West Water

Change Over Time

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