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East Wiltshire - Live Sewage

Polluted by sewage 10,802 hours in 2026 - That's 1.25 years , monitoring offline 11 hours so far..

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

Which Year?

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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 East Wiltshire 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 East Wiltshire

Daily Data

Jan - 2,173 hours , 0 offline
Feb - 5,885 hours
Mar - 2,340 hours , 0 potential
Apr - 403 hours , 0 potential
May - 0 hours
Jun - 0 hours
Jul - 0 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 SHREWTON STORM TANK River Till 81 1,826h 4m -
Thames Water Marlborough STW Kennet 70 1,548h -
Wessex Water WISHFORD WILTON ROAD STORM TANK River Wylye 48 1,089h 15m -
Thames Water Great Bedwyn STW Kennet And Avon Canal 45 1,045h 16m -
Thames Water Wanborough STW Danes Brook 54 1,032h 15m -
Wessex Water COLLINGBOURNE DUCIS River Bourne 69 882h 56m 1 h
Wessex Water Unknown Unknown 37 762h 38m -
Wessex Water PEWSEY SALISBURY ROAD STORM TANK River Avon 36 721h 56m -
Wessex Water TILSHEAD CAMP ROAD River Till 29 675h 10m -
Wessex Water NORTH NEWNTON River Avon 26 475h 20m -
Wessex Water ALL CANNINGS River Avon 18 280h 34m -
Thames Water East Grafton STW River Dun 16 253h -
Wessex Water PEWSEY WILCOT LODGE River Avon 10 107h 31m -
Wessex Water PEWSEY SWAN River Avon 9 60h 25m -
Wessex Water CHIRTON SMALL STREET Unnamed Watercourse 3 26h 20m -
Wessex Water MARDEN HIGH STREET River Avon 2 9h 21m -
Wessex Water AMESBURY OFF CHURCH STREET STORM TANK Hampshire Avon 1 2h 46m -
Thames Water London Road (Marlborough) SPS Kennet 3 2h 30m -
Thames Water Draycot Foliat SPS River Ray 2 0h 45m -
Thames Water Ramsbury STW River Kennet 1 0h 30m -
Wessex Water AMESBURY FLOWER LANE River Avon 0 0h -
Thames Water Chisledon storm tanks N/A 0 0h -
Wessex Water PEWSEY SALISBURY ROAD STORM TANK River Avon 0 0h -
Wessex Water WISHFORD WILTON ROAD STORM TANK River Wylye 0 0h -
Wessex Water COLLINGBOURNE DUCIS River Bourne 0 0h -
Thames Water Wanborough STW Danes Brook 0 0h -
Thames Water Draycot Foliat SPS River Ray 0 0h -
Wessex Water TILSHEAD CAMP ROAD River Till 0 0h -
Thames Water Chisledon storm tanks N/A 0 0h -
Wessex Water NORTH NEWNTON River Avon 0 0h -
Wessex Water PEWSEY SALISBURY ROAD River Avon 0 0h 10 h
Wessex Water PATNEY WEIR River Avon 0 0h -
Wessex Water Unknown Unknown 0 0h -
Wessex Water PEWSEY SWAN River Avon 0 0h -
Wessex Water RATFYN STORM TANK Hampshire Avon River 0 0h -
Thames Water London Road (Marlborough) SPS Kennet 0 0h -
Wessex Water AMESBURY FLOWER LANE River Avon 0 0h 1 h
Wessex Water AMESBURY OFF CHURCH STREET STORM TANK Hampshire Avon 0 0h -
Wessex Water MARDEN HIGH STREET River Avon 0 0h -
Wessex Water Unknown Unknown 0 0h -
Thames Water Marlborough STW Kennet 0 0h -
Wessex Water PEWSEY SALISBURY ROAD River Avon 0 0h -
Wessex Water Unknown Unknown 0 0h -
Wessex Water SHREWTON STORM TANK River Till 0 0h -
Wessex Water CHIRTON SMALL STREET Unnamed Watercourse 0 0h -
Wessex Water RATFYN STORM TANK Hampshire Avon River 0 0h -
Thames Water East Grafton STW River Dun 0 0h -
Wessex Water PATNEY WEIR River Avon 0 0h -
Wessex Water PEWSEY WILCOT LODGE River Avon 0 0h -
Wessex Water ALL CANNINGS River Avon 0 0h -

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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Contains Water UK National Storm Overflow Hub Data CC-BY-SA 4.0 and analysis © 2025 Top-Of-The-Poops

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