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Polluted by sewage 236 times in 2024 lasting 1,313 hours
So far this year (as of May 29, 2025, 2:15 AM) there has been 193 hours of sewage overflows
Your local MP is Christopher Chope (Conservative) - Find out more about their interests, donors, and voting at They Work For You
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.
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Donate NowHere 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 all the declared CSOs appeared to have monitoring enabled for more than 50% of the year
| 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 |
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.
Get in touch if you have queries or want to discuss our data.
press [at] top-of-the-poops.org