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Salisbury - Live Sewage

Polluted by sewage 9,374 hours in 2026 - That's 1.08 years so far..

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Contains OS Data © Crown copyright & database right 2021-2024
© Top of the Poops 2021-2024

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✔ means we have live data (𝑥 if not)

View Annual Sewage Data

You're looking at the totals that we have calculated for sewage in Salisbury so far for 2026. It is an estimate, based on very poor quality live data from the Water Companies. The water companies report their sewage to the Environment Agency every year in April. You can see the last reported year in the other page

What's a potential overflow? If the CSO goes 'Offline' while its Overflowing, we don't know if it stopped overflowing until we get a 'Stop' event.

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Constituencies near Salisbury

Daily Data

Jan - 2,773 hours
Feb - 6,322 hours
Mar - 277 hours
Daily data is experimental and data is not guaranteed to be accurate. Please inform us of any issue, we will fix.
Please note: We don't have rainfall data for Wales. If you know where to source it please let us know!
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Totals so far

Company Site Name Receiving Waterway Overflow Days Total Duration (hours) Offline/Potential Pollution
Wessex Water FOVANT STORM TANK Fovant Brook 55 1,139 h 16m -
Wessex Water HURDCOTT STORM TANK River Bourne 55 1,062 h 6m -
Wessex Water HANGING LANGFORD River Wylye Via A Reed Bed 44 1,011 h 15m -
Wessex Water SALISBURY PETERSFINGER SOUTHAMPTON ROAD STORM TANK River Avon 42 953 h 31m -
Wessex Water HINDON INLET Groundwater Via Infilt System 43 786 h 36m -
Wessex Water BARFORD ST MARTIN BURCOMBE STORM TANK River Nadder 41 771 h 9m -
Wessex Water Unknown Unknown 43 757 h 25m -
Wessex Water DOWNTON MOOT LANE STORM TANK Hampshire Avon, River 44 756 h 50m -
Wessex Water HINDON THE DENE River Nadder 31 671 h 36m -
Wessex Water ALLINGTON OLD INN River Bourne 25 503 h 1m -
Wessex Water BARFORD ST MARTIN River Nadder 25 413 h 5m -
Southern Water EAST GRIMSTEAD SSO - 115851 Groundwater/River Dun 17 353 h 3m -
Wessex Water TISBURY NADDER CLOSE PLAYING FIELDS River Nadder Via Sws 22 88 h 13m -
Wessex Water HURDCOTT River Bourne 7 35 h 30m -
Wessex Water SALISBURY BRIDGE STREET/HIGH STREET River Avon Via Sw Sewer 9 23 h 50m -
Wessex Water SEMLEY INLET River Sem 9 18 h 8m -
Southern Water REDLYNCH SSO - 115737 River Blackwater 2 17 h 6m -
Wessex Water SALISBURY ENDLESS LANE/SCOTS LANE River Avon Via Sws 7 5 h 22m -
Wessex Water Unknown Unknown 1 4 h 47m -
Wessex Water CHILMARK River Nadder 1 2 h 20m -
Wessex Water SALISBURY COLLEGE STREET NO XX River Avon Via Sws 1 0 h 4m -
Wessex Water SALISBURY ENDLESS LANE/SCOTS LANE River Avon Via Sws 0 0 h -
Wessex Water CHILMARK River Nadder 0 0 h -
Wessex Water HURDCOTT River Bourne 0 0 h -
Southern Water REDLYNCH SSO - 115737 River Blackwater 0 0 h -
Wessex Water SALISBURY PETERSFINGER SOUTHAMPTON ROAD STORM TANK River Avon 0 0 h -
Wessex Water IDMISTON River Bourne 0 0 h -
Wessex Water HANGING LANGFORD River Wylye Via A Reed Bed 0 0 h -
Wessex Water SEMLEY INLET River Sem 0 0 h -
Wessex Water SALISBURY BRIDGE STREET/HIGH STREET River Avon Via Sw Sewer 0 0 h -
Wessex Water BARFORD ST MARTIN River Nadder 0 0 h -
Southern Water EAST GRIMSTEAD SSO - 115851 Groundwater/River Dun 0 0 h -
Wessex Water Unknown Unknown 0 0 h -
Wessex Water SALISBURY CHURCHILL GARDENS NEAR COLLEGE River Avon 0 0 h -
Wessex Water BARFORD ST MARTIN BURCOMBE STORM TANK River Nadder 0 0 h -
Wessex Water HINDON INLET Groundwater Via Infilt System 0 0 h -
Wessex Water DOWNTON MOOT LANE STORM TANK Hampshire Avon, River 0 0 h -
Wessex Water HURDCOTT STORM TANK River Bourne 0 0 h -
Wessex Water ALLINGTON OLD INN River Bourne 0 0 h -
Wessex Water SALISBURY CHURCHILL GARDENS NEAR COLLEGE River Avon 0 0 h -
Wessex Water FOVANT STORM TANK Fovant Brook 0 0 h -
Wessex Water HINDON THE DENE River Nadder 0 0 h -
Wessex Water IDMISTON River Bourne 0 0 h -
Wessex Water SALISBURY COLLEGE STREET NO XX River Avon Via Sws 0 0 h -
Wessex Water TISBURY NADDER CLOSE PLAYING FIELDS River Nadder Via Sws 0 0 h -

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. Live sewage data from Stream Water API

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.

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Analysing sewage pollution by the Water Industry

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