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Polluted by sewage 4,027 hours in 2025 , potential overflows 2,104 hours
What's a potential overflow? If the CSO goes 'Offline' while its Overflowing, we don't know if it stopped overflowing until we get a 'Stop' event.
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| Company | Site Name | Receiving Waterway | Overflow Days | Total Duration (hours) | Offline/Potential Pollution |
|---|---|---|---|---|---|
| Anglian Water | Foxton WRC (Cambs) | River Rhee | 116 | 1,384 h 37m | - |
| Anglian Water | HASLINGFIELD-STW | River Rhee | 43 | 790 h 8m | 0 h |
| Anglian Water | Wimpole Road Pumping Station | Tit Brook | 35 | 666 h 9m | - |
| Anglian Water | HARDWICK-EAST SP | Bin Brook | 26 | 558 h 16m | - |
| Anglian Water | HASLINGFIELD-STW | River Rhee | 15 | 278 h 1m | - |
| Anglian Water | ORWELL-MEADOWCROFT WAY SP | River Rhee | 6 | 86 h 58m | - |
| Anglian Water | MELBOURN STW | Mel Brook Leading To R Rhee | 40 | 71 h 37m | - |
| Anglian Water | LINTON STW | River Granta | 10 | 30 h 12m | - |
| Anglian Water | ORWELL-MEADOWCROFT WAY SP | River Rhee | 3 | 29 h 16m | 941 h |
| Anglian Water | Wimpole Road Pumping Station | Tit Brook | 5 | 27 h 42m | - |
| Anglian Water | MELBOURN STW | Mel Brook Leading To R Rhee | 6 | 22 h 29m | - |
| Anglian Water | HARDWICK-EAST SP | Bin Brook | 2 | 17 h 27m | - |
| Anglian Water | HATLEY ST GEORGE STW | Millbridge Brook | 2 | 13 h 14m | - |
| Anglian Water | BALSHAM STW | Little Wilbraham River | 2 | 13 h | - |
| Anglian Water | BARRINGTON-SLID LA #2 OV | River Rhee | 11 | 10 h 45m | - |
| Anglian Water | GUILDEN MORDEN STW | River Rhee | 11 | 8 h 23m | - |
| Anglian Water | HEYDON-GREAT CHISHILL RD SP | Unnamed Watercourse | 2 | 5 h 30m | - |
| Anglian Water | BALSHAM STW | Little Wilbraham River | 3 | 4 h 5m | - |
| Anglian Water | Arrington Water Recycling Centre | River Cam | 2 | 3 h 14m | 0 h |
| Anglian Water | Arrington Water Recycling Centre | River Cam | 2 | 1 h 59m | - |
| Anglian Water | TEVERSHAM STW | Quy Water Bottisham Lode | 2 | 1 h 29m | - |
| Anglian Water | BARRINGTON-SLID LA #2 OV | River Rhee | 1 | 1 h 15m | - |
| Anglian Water | GUILDEN MORDEN STW | River Rhee | 2 | 0 h 43m | 0 h |
| Anglian Water | LINTON STW | River Granta | 1 | 0 h 28m | - |
| Anglian Water | LINTON-RECREATION GROUND TPS | River Granta | 1 | 0 h 15m | - |
| Anglian Water | ROYSTON STW | Whaddon Brook To River Rhee | 1 | 0 h 15m | 0 h |
| Anglian Water | SAWSTON STW | River Cam | 1 | 0 h 15m | - |
| Anglian Water | Foxton WRC (Cambs) | River Rhee | 1 | 0 h | 1,162 h |
| Anglian Water | SAWSTON STW | River Cam | 0 | 0 h | - |
| Anglian Water | ROYSTON STW | Whaddon Brook To River Rhee | 0 | 0 h | - |
| Anglian Water | HATLEY ST GEORGE STW | Millbridge Brook | 0 | 0 h | - |
| Anglian Water | LINTON-RECREATION GROUND TPS | River Granta | 0 | 0 h | - |
| Anglian Water | HEYDON-GREAT CHISHILL RD SP | Unnamed Watercourse | 0 | 0 h | - |
| Anglian Water | TEVERSHAM STW | Quy Water Bottisham Lode | 0 | 0 h | - |
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.
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