Salisbury was polluted by sewage 1,433 times in 2023
lasting 21,875 hours - that's 2.53 years!

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Constituency

✔ means we have experimental daily data since 2023

Totals for Salisbury in 2023

17 Sites polluted by Southern Water, Wessex Water

1,433 sewage dumps
21,875 h duration

That's 2.53 years! On average 3.9 times a day

Change Over Time

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Constituencies near Salisbury

Waterways in Salisbury

Pollution Summary 2023

Here are all the reported sewage overflow totals for Salisbury 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 0 of the total 20 CSO locations had reporting enabled for less than half the year, of which 0 had zero reporting.

Company	Waterway	Site	Sewage Dumps	Duration (Hours)	Reporting %
Wessex Water	River Till	SHREWTON WATER RECYCLING CENTRE	262	6,183	99.8
Wessex Water	River Bourne	HURDCOTT WASTEWATER TREATMENT WORKS	253	3,980	100
Wessex Water	River Wylye	GREAT WISHFORD WRC	122	2,233	100
Wessex Water	River Avon	SALISBURY (PETERSFINGER)	102	1,766	100
Southern Water	River Blackwater	REDLYNCH WWTW	93	1,748	98.6
Wessex Water	River Nadder	BARFORD ST MARTIN WRC	122	1,680	99.9
Wessex Water	Hampshire Avon, River	DOWNTON SEWAGE TREATMENT WORKS	106	1,231	100
Wessex Water	River Bourne	ALLINGTON OLD INN PS	49	1,004	98.1
Wessex Water	River Till	CAMP ROAD SPS	37	774	99.5
Wessex Water	River Wylye Via A Reed Bed	HANGING LANGFORD PUMPING STATION	170	560	100
Southern Water	Groundwater/River Dun	EAST GRIMSTEAD WWTW	36	344	100
Wessex Water	River Bourne	HURDCOTT PS	19	290	98.6
Wessex Water	River Avon Via Sw Sewer	HIGH STREET SSO	22	29	100
Wessex Water	River Avon Via Sws	37 ENDLESS STREET CSO	33	17	100
Wessex Water	Hampshire Avon	AMESBURY STW	3	16	100
Southern Water	River Blackwater	WHITEPARISH WWTW	3	12	99.9
Wessex Water	River Bourne	IDMISTON PUMPING STATION	1	0	100
Wessex Water	River Avon Via Sws	COLLEGE STREET CSO	0	0	100
Wessex Water	River Avon	CHURCHILL GDNS SSO	0	0	99.9
Wessex Water	Hampshire Avon River	RATFYN STW	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

With generous support from:

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