It's a Dirty Business

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Christchurch - Live Sewage

Polluted by sewage 1,533 hours in 2026 , monitoring offline 871 hours so far..

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

Which Year?

Select Another Constituency

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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 Christchurch 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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Daily Data

Jan - 581 hours , 514 offline
Feb - 949 hours , 1 offline
Mar - 1 hours , 338 offline
Apr - 0 hours , 10 offline
May - 0 hours
Jun - 0 hours
Jul - 0 hours
Aug - 1 hours , 6 offline
Sept - 0 hours
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Totals so far

Company Site Name Receiving Waterway Overflow Days Total Duration (hours) Offline/Potential Pollution
Wessex Water CHRISTCHURCH STONEY LANE STORM TANK River Avon 36 688h 52m -
Wessex Water PALMERSFORD STORM TANK Lower River Stour 24 364h 24m -
Wessex Water ST LEONARDS CRAIGSIDE ROAD Moors River 17 106h 16m -
Wessex Water ST LEONARDS WAYSIDE ROAD NO X Moors River 12 95h 10m -
Wessex Water FERNDOWN A31 TRICKETTS CROSS Uddens Water 8 49h 15m -
Wessex Water WEST PARLEY CHURCH LANE River Stour 7 38h 6m -
Wessex Water HOLDENHURST RIVERSIDE AVENUE STORM TANK River Stour 9 34h -
Wessex Water WEST MOORS PENNINGTON COPSE Uddens Water 4 32h 38m -
Wessex Water ST LEONARDS FOREST EDGE DRIVE Moors River Via Sws 4 30h 14m -
Wessex Water FERNDOWN AMEYSFORD ROAD Uddens Water 10 25h 40m -
Wessex Water BRANSGORE WILTSHIRE GARDENS Clockhouse Stream 4 22h 13m -
Wessex Water NEW ROAD FERNDOWN Moors River 7 22h 12m -
Wessex Water BOURNEMOUTH COOPER DEAN DETENTION TANK River Stour Via Sws 6 19h 36m -
Wessex Water BOURNEMOUTH MAXWELL ROAD Unknown 6 5h -
Wessex Water MUDEFORD GARDENS River Mude 0 0h -
Wessex Water FERNDOWN THAMES CLOSE Moors River 0 0h -
Wessex Water FERNDOWN THAMES CLOSE Moors River 0 0h -
Wessex Water BRANSGORE WILTSHIRE GARDENS Clockhouse Stream 0 0h -
Wessex Water Unknown Unknown 0 0h 5 h
Wessex Water MUDEFORD GARDENS River Mude 0 0h 1 h
Wessex Water FERNDOWN REDWOOD DRIVE Uddens Water 0 0h -
Wessex Water HOLDENHURST RIVERSIDE AVENUE STORM TANK River Stour 0 0h -
Wessex Water BURTON STONY LANE Clockhouse Stream 0 0h 516 h
Wessex Water WEST MOORS PENNINGTON COPSE Uddens Water 0 0h -
Wessex Water FERNDOWN AMEYSFORD ROAD Uddens Water 0 0h -
Wessex Water BURTON STONY LANE Clockhouse Stream 0 0h -
Wessex Water BOURNEMOUTH CHARMINSTER ROAD NEAR XXX-XXX Unknown 0 0h -
Wessex Water FERNDOWN DUGDELL CLOSE Moors River 0 0h -
Wessex Water BOURNEMOUTH COOPER DEAN DETENTION TANK River Stour Via Sws 0 0h -
Wessex Water ST LEONARDS FOREST EDGE DRIVE Moors River Via Sws 0 0h -
Wessex Water CHRISTCHURCH STONEY LANE STORM TANK River Avon 0 0h -
Wessex Water FERNDOWN ALDRIDGE ROAD Unknown 0 0h -
Wessex Water WEST PARLEY CHURCH LANE River Stour 0 0h -
Wessex Water Unknown Unknown 0 0h 15 h
Wessex Water FERNDOWN A31 TRICKETTS CROSS Uddens Water 0 0h -
Wessex Water FERNDOWN ALDRIDGE ROAD Unknown 0 0h -
Wessex Water ST LEONARDS WAYSIDE ROAD NO X Moors River 0 0h -
Wessex Water BOURNEMOUTH ASHLEY ROAD JNC WILSON ROAD River Stour 0 0h -
Wessex Water BOURNEMOUTH CHARMINSTER ROAD NEAR XXX-XXX Unknown 0 0h -
Wessex Water BOURNEMOUTH ASHLEY ROAD JNC WILSON ROAD River Stour 0 0h -
Wessex Water ST LEONARDS CRAIGSIDE ROAD Moors River 0 0h -
Wessex Water FERNDOWN DUGDELL CLOSE Moors River 0 0h 0 h
Wessex Water PALMERSFORD STORM TANK Lower River Stour 0 0h -
Wessex Water BOURNEMOUTH MAXWELL ROAD Unknown 0 0h -
Wessex Water NEW ROAD FERNDOWN Moors River 0 0h -
Wessex Water FERNDOWN REDWOOD DRIVE Uddens Water 0 0h 331 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

Annual figures up to and including 2025 come from official water company returns. The 2026 figure is our own estimate, derived continuously from the companies' live data feeds.

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.