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Polluted by sewage 120 times in 2025 lasting 279 hours
Monitoring fell below 50% in some locations so could be more
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Donate NowHere are all the reported sewage overflow totals for Southend-on-Sea in 2025. 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 place 1 of the total 13 CSO Combined Sewage Overflow - a device that, when operating, pours combined rainwater & sewage into a waterway locations had reporting enabled for less than half the year.
| Company | Waterway | Site | Sewage Dumps | Duration (Hours) | Reporting % |
|---|---|---|---|---|---|
| Anglian Water | Thames Estuary | SOUTHEND SEWAGE WORKS | 94 | 236 | 27.9 |
| Anglian Water | Rayleigh East Brook | RAYLEIGH EAST STW | 3 | 25 | 98.8 |
| Anglian Water | Prittle Brook | SOUTHEND-PRINCE AVE (BELL PUB) CSO | 7 | 6 | 100 |
| Anglian Water | River Roach | ROCHFORD DEPOT PUMPING STATION | 1 | 5 | 100 |
| Anglian Water | Eastwood Brook | EASTWOOD PARK | 6 | 3 | 100 |
| Anglian Water | Prittle Brook | SOUTHEND- RIORY CRESCENT CSO | 2 | 1 | 100 |
| Anglian Water | River Thames | SEAVIEW ESTATE PS | 3 | 0 | 100 |
| Anglian Water | Prittle Brook | OVERFLOW OUTLET AT THE CIVIC CENTRE | 2 | 0 | 100 |
| Anglian Water | Prittle Brook | SOUTHEND - ROCHFORD ROAD CSO | 1 | 0 | 100 |
| Anglian Water | Prittle Brook | SOUTHEND 21-27 SHAKESPEARE AVE CSO | 1 | 0 | 100 |
| Anglian Water | Rayleigh Brook | RAYLEIGH - WYBURNS AVENUE PS | 0 | 0 | 100 |
| Anglian Water | Eastwood Brook | RES. DEVLPT | 0 | 0 | 100 |
| Anglian Water | Prittle Brook | PAVILION DRIVE CSO | 0 | 0 | 100 |
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.
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Get in touch if you have queries or want to discuss our data.
press [at] top-of-the-poops.org