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Polluted by sewage 141 times in 2024 lasting 290 hours
Monitoring fell below 50% in some locations so could be more
So far this year (as of May 30, 2025, 8:45 AM) there has been 204 hours of sewage overflows
Your local MP is Claire Hazelgrove (Labour) - 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 Filton and Bradley Stoke, 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 Filton and Bradley Stoke 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 1 of the total 11 CSO locations had reporting enabled for less than half the year.
| Company | Waterway | Site | Sewage Dumps | Duration (Hours) | Reporting % |
|---|---|---|---|---|---|
| Wessex Water | River Frome | HARCOMBE FARM CSO | 50 | 98 | 99.6 |
| Wessex Water | Stoke Brook | STOKE BROOK CSO | 34 | 68 | 100 |
| Wessex Water | Lincombe Barn Stream | OVERNDALE ROAD CSO | 16 | 56 | 100 |
| Wessex Water | Sws-New Road Brook-Stoke Brook | 168 STATION ROAD | 18 | 39 | 99.7 |
| Wessex Water | Stoke Brook Via Sws | NEW ROAD COMBINED SEWER OVERFLOW | 3 | 14 | 99.2 |
| Wessex Water | Stoke Brook | CLEEVE ROAD | 12 | 10 | 100 |
| Wessex Water | Filton Brook Via Sws | FILTON AVENUE CSO | 5 | 1 | 80.8 |
| Wessex Water | Stoke Brook | CLEVE COURT 2 CSO | 1 | 0 | 100 |
| Wessex Water | Stockwell Via Sws | OAKDALE ROAD CSO | 2 | 0 | 98.7 |
| Wessex Water | Bradley Brook | BROOKSIDE COTTAGE SEWER STM O/FLOW | 0 | 0 | 99.8 |
| Wessex Water | River Frome Via Sws | 14 DOWNLEAZE ROAD CSO | 0 | 0 | 48.9 |
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