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 532 times in 2025 lasting 7,910 hours
Your local MP is Charlie Maynard (Liberal Democrat) - Find out more about their interests, donors, and voting at They Work For You
Please consider a one-off or small recurring donation. We need your help to keep this site going.
Donate NowHere are all the reported sewage overflow totals for Witney 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 constituency all the declared CSO Combined Sewage Overflow - a device that, when operating, pours combined rainwater & sewage into a waterway s appeared to have monitoring enabled for more than 50% of the year
| Company | Waterway | Site | Sewage Dumps | Duration (Hours) | Reporting % |
|---|---|---|---|---|---|
| Thames Water | Windrush | Standlake | 98 | 2,213 | 100 |
| Thames Water | Littlestock Brook | Milton-under-Wychwood | 67 | 1,091 | 100 |
| Thames Water | Tuckmill Brook | Shrivenham | 56 | 945 | 100 |
| Thames Water | Shill Brook | BAMPTON WASTEWATER TREATMENT WORKS | 82 | 926 | 99.4 |
| Thames Water | Harcourt Brook | STANTON HARCOURT STW, STANTON HARCO | 42 | 709 | 100 |
| Thames Water | Curbridge Ditch | WITNEY SEWAGE TREATMENT WORKS | 37 | 576 | 100 |
| Thames Water | Shill Brook | CARTERTON STW | 25 | 403 | 100 |
| Thames Water | Bagpuize Brook | KINGSTON BAGPUIZE WWTW | 32 | 389 | 100 |
| Thames Water | Halfacre Brook | CLANFIELD STW, CLANFIELD, OXON | 14 | 185 | 97.3 |
| Thames Water | Marcham Brook | APPLETON WASTEWATER TREATMENT WORKS | 17 | 159 | 100 |
| Thames Water | Faringdon Brook/River Thames | FARINGDON WWTW | 50 | 159 | 93.7 |
| Thames Water | River Windrush | BURFORD WASTEWATER TREATMENT WORKS | 12 | 152 | 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
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