Media Queries
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Polluted by sewage 6,017 hours in 2026 so far..
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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Donate Now| Company | Site Name | Receiving Waterway | Overflow Days | Total Duration (hours) | Offline/Potential Pollution |
|---|---|---|---|---|---|
| Thames Water | South Moreton STW | Mill Brook | 91 | 1,711h 15m | - |
| Thames Water | Drayton STW | Ginge Brook | 84 | 1,585h | - |
| Thames Water | Uffington STW | Uffington Brook | 45 | 737h 30m | - |
| Thames Water | Didcot STW | Moor Ditch | 38 | 612h 15m | - |
| Thames Water | Wantage STW | Letcombe Brook | 45 | 526h 30m | - |
| Thames Water | Culham STW | Clifton Hampden Ditch | 29 | 359h 15m | - |
| Thames Water | Abingdon STW | Odhay Hill Ditch/River Thames | 29 | 325h 37m | - |
| Thames Water | Cholsey STW | Cholsey Brook | 13 | 150h | - |
| Thames Water | Stanford in the Vale STW | River Ock | 2 | 6h 45m | - |
| Thames Water | Heyford Hill Lane (Littlemore) SPS | Thames | 1 | 3h 40m | - |
| Thames Water | Uffington STW | Uffington Brook | 0 | 0h | - |
| Thames Water | Didcot STW | Moor Ditch | 0 | 0h | - |
| Thames Water | Drayton STW | Ginge Brook | 0 | 0h | - |
| Thames Water | Heyford Hill Lane (Littlemore) SPS | Thames | 0 | 0h | - |
| Thames Water | South Moreton STW | Mill Brook | 0 | 0h | - |
| Thames Water | Abingdon STW | Odhay Hill Ditch/River Thames | 0 | 0h | - |
| Thames Water | Wantage STW | Letcombe Brook | 0 | 0h | - |
| Thames Water | Stanford in the Vale STW | River Ock | 0 | 0h | - |
| Thames Water | Cholsey STW | Cholsey Brook | 0 | 0h | - |
| Thames Water | Culham STW | Clifton Hampden Ditch | 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
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