Christchurch was polluted by sewage 236 times in 2024
lasting 1,313 hours

Constituency

Select the constituency from the drop-down

✔ means we have experimental daily data since 2023

Live data for Christchurch in 2025

So far this year (as of Apr 16, 2025, 6:30 PM) there has been 190 hours of sewage overflows

Totals for Christchurch in 2024

15 Sites polluted by Wessex Water

236 sewage dumps
1,313 h duration

That's 1.82 months. 4.5 times a week, on average

Change Over Time

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Constituencies near Christchurch

Waterways in Christchurch

Daily Data

We get information about overflowing CSOs since January 2025. Here is a chart of the last three months of data for Christchurch, here you can see overflows in red, the darker the red, the more the CSO overflowed that day.

Each CSO has a row, the most recent data is on the right hand side.

Monitoring Online Monitoring Offline Polluting Potentially Polluting Unknown

Daily data is experimental and data is not guaranteed to be accurate. Please inform us of any issue, we will fix.

Pollution Summary 2024

Here are all the reported sewage overflow totals for Christchurch in 2024. 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 Avon	CHRISTCHURCH SEWAGE TREATMENT WORKS	35	470	100
Wessex Water	Moors River	CRAIGSIDE PUMPING STATION	29	157	100
Wessex Water	River Stour	CHURCH LANE PUMPING STATION	32	156	96.3
Wessex Water	River Stour	HOLDENHURST STW	34	116	100
Wessex Water	Lower River Stour	PALMERSFORD STW	18	104	100
Wessex Water	River Stour	COOPER DEAN COMBINED SEWER OVERFLOW	33	80	99.8
Wessex Water	Uddens Water	AMEYSFORD ROAD PUMPING STATION	20	67	99.9
Wessex Water	Moors River Via Sws	ST LEONARDS FOREST EDGE DRIVE PS	12	66	99.7
Wessex Water	Uddens Water	PENNINGTON COPSE PUMPING STATION	4	33	100
Wessex Water	Clockhouse Stream	WILTSHIRE GARDENS PS	7	21	100
Wessex Water	Moors River	WAYSIDE ROAD PUMPING STATION	4	20	99.6
Wessex Water	Moors River	GOLF LINKS ROAD PS	3	9	100
Wessex Water	Uddens Water	TRICKETT'S CROSS PUMPING STATION	2	8	100
Wessex Water	Unknown	ALDRIDGE ROAD PUMPING STATION	1	0	99.1
Wessex Water	River Stour	ASHLEY ROAD COMBINED SEWER OVERFLOW	2	0	99.8
Wessex Water	Clockhouse Stream	STONY LANE PUMPING STATION	0	0	100
Wessex Water	River Mude	MUDEFORD GARDENS PS	0	0	100
Wessex Water	Moors River	DUGDELL CLOSE PUMPING STATION	0	0	99.9
Wessex Water	Moors River	THAMES CLOSE PUMPING STATION	0	0	99.4
Wessex Water	Uddens Water	CEDAR WAY PUMPING STATION	0	0	99.1

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

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