Media Queries
Get in touch if you have queries or want to discuss our data.
press [at] top-of-the-poops.org
Please Support Us
We rely on donations to fund our work. Please support us if you can
Polluted by sewage 1,236 hours in 2026 , monitoring offline 916 hours , potential overflows 290 hours so far..
Please consider a one-off or small recurring donation. We need your help to keep this site going.
Donate Now| Company | Site Name | Receiving Waterway | Overflow Days | Total Duration (hours) | Offline/Potential Pollution |
|---|---|---|---|---|---|
| Anglian Water | DEDHAM STW | Dedham Mill Tail- Rv Stour | 55 | 1,050h 26m | - |
| Anglian Water | East Bergholt WRC | Gosnalls Brook River Stour | 16 | 86h 15m | 811 h |
| Anglian Water | BOXFORD STW | River Box | 6 | 75h 14m | 275 h |
| Anglian Water | LAWFORD-WIGNALL ST SP | Wignall Brook | 5 | 20h 59m | 120 h |
| Anglian Water | Brantham Factory Lane OV | River Stour | 8 | 3h 29m | - |
| Anglian Water | East Bergholt WRC | Gosnalls Brook River Stour | 0 | 0h | - |
| Anglian Water | DEDHAM STW | Dedham Mill Tail- Rv Stour | 0 | 0h | - |
| Anglian Water | BOXFORD STW | River Box | 0 | 0h | - |
| Anglian Water | LAWFORD-WIGNALL ST SP | Wignall Brook | 0 | 0h | - |
| Anglian Water | BRANTHAM SCHOOL LANE SP | River Stour | 0 | 0h | - |
| Anglian Water | Brantham Factory Lane OV | River Stour | 0 | 0h | - |
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.
Get in touch if you have queries or want to discuss our data.
press [at] top-of-the-poops.org