Top of the Poops | Constituency Sewage Map | Salisbury | Polluted by Southern Water Wessex Water

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Live data for Salisbury in 2026

So far this year (as of 13 Nov 2026, 13:46) there has been 11,900 hours of sewage overflows, from 46 CSO Combined Sewage Overflow - a device that, when operating, pours combined rainwater & sewage into a waterway s - that's 1.38 years!

Sewage without rain in Salisbury

On 18 occasions since December 2024, no rain fell anywhere in Salisbury for days — and its CSO Combined Sewage Overflow - a device that, when operating, pours combined rainwater & sewage into a waterway s discharged anyway.

16 Mar - 20 Mar 2025 6 at once · 388h 3 Mar - 4 Mar 2025 8 at once · 257h 8 Mar - 9 Mar 2025 6 at once · 191h

Totals for Salisbury in 2025

20 Sites polluted by Southern Water Wessex Water

856 sewage dumps

11,280 hours duration

Sewage pollution map of Salisbury: 856 spills in 2025, lasting 11,280 hours, by Southern Water and Wessex Water

That's 1.31 years. On average 2.3 times a day

Change Over Time

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Company	Waterway	Site	Sewage Dumps	Duration (Hours)	Reporting %
Wessex Water	River Bourne	HURDCOTT WASTEWATER TREATMENT WORKS	167	3,118	100
Wessex Water	River Bourne	ALLINGTON OLD INN PS	85	1,977	100
Wessex Water	River Nadder	BARFORD ST MARTIN WRC	81	1,550	99.9
Wessex Water	Fovant Brook	FOVANT WATER RECYCLING CENTRE	81	1,252	100
Southern Water	Groundwater/River Dun	EAST GRIMSTEAD WWTW	64	973	99.6
Wessex Water	River Avon	SALISBURY (PETERSFINGER)	51	840	99.8
Southern Water	River Blackwater	REDLYNCH WWTW	35	644	100
Wessex Water	Hampshire Avon, River	DOWNTON SEWAGE TREATMENT WORKS	31	309	99.9
Wessex Water	River Wylye Via A Reed Bed	HANGING LANGFORD PUMPING STATION	84	242	100
Wessex Water	Ditch	CHILMARK PUMPING STATION	7	100	100
Wessex Water	Groundwater Via Infilt System	HINDON WASTEWATER TREATMENT WORKS	74	96	99.6
Wessex Water	River Nadder Via Sws	TISBURY COMBINED SEWER OVERFLOW	36	71	100
Wessex Water	River Nadder	BARFORD ST MARTIN PUMPING STATION	4	41	100
Wessex Water	River Sem	SEMLEY WATER RECYCLING CENTRE	17	39	99.8
Wessex Water	River Avon Via Sw Sewer	HIGH STREET SSO	7	10	100
Wessex Water	River Avon Via Sws	37 ENDLESS STREET CSO	22	9	99.9
Wessex Water	River Nadder	HINDON PUMPING STATION	4	1	100
Wessex Water	River Bourne	HURDCOTT PS	1	1	99.9
Wessex Water	River Avon Via Sws	COLLEGE STREET CSO	4	0	100
Wessex Water	River Bourne	IDMISTON PUMPING STATION	1	0	100
Wessex Water	River Avon	CHURCHILL GDNS SSO	0	0	100
Wessex Water	River Avon	HOME FARM SEWAGE PUMPING STATION	0	0	100
Southern Water	River Blackwater	WHITEPARISH WWTW	0	0	99.9

Salisbury

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Live data for Salisbury in 2026

Sewage without rain in Salisbury

Totals for Salisbury in 2025

20 Sites polluted by Southern Water Wessex Water

Change Over Time

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