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Polluted by sewage 479 times in 2025 lasting 6,545 hours
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Donate NowHere are all the reported sewage overflow totals for Bicester and Woodstock 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 | Hanborough Stream | CHURCH HANBOROUGH STW, CHURCH HANBO | 88 | 1,236 | 99.9 |
| Thames Water | Limb Brook | SOUTH LEIGH STW, SOUTH LEIGH, OXON | 49 | 927 | 100 |
| Thames Water | Oxon Ray | CHARLTON-ON-OTMOOR WWTW | 54 | 813 | 100 |
| Thames Water | Oxon River Ray | ISLIP STW, ISLIP, OXON | 34 | 696 | 100 |
| Thames Water | Gallos Brook | WESTON-ON-THE-GREEN SEWAGE WORKS | 42 | 696 | 100 |
| Thames Water | Danes Brook | HORTON-CUM-STUDLEY WWTW | 38 | 462 | 99.1 |
| Thames Water | Langford Brook | BICESTER WASTEWATER TREATMENT WORKS | 34 | 450 | 100 |
| Thames Water | River Evenlode | COMBE STW, COMBE, OXFORD, OXON | 30 | 356 | 100 |
| Thames Water | Cherwell | HEYFORD WASTEWATER TREATMENT WORKS | 33 | 302 | 95.3 |
| Thames Water | Gallos Brook | BLETCHINGDON WWTW | 32 | 301 | 95.4 |
| Thames Water | Gagle Brook | MIDDLETON STONEY WWTW | 18 | 144 | 100 |
| Thames Water | River Glyme | WOODSTOCK STW, OXON | 21 | 89 | 99.5 |
| Thames Water | Rver Cherwell | TACKLEY SPS | 4 | 47 | 100 |
| Thames Water | Gallos Brook | Weston-on-the-green STW Pumping Sta | 2 | 21 | 99.7 |
| Thames Water | Town Brook | BUCKNELL PUMPING STATION, BUCKNELL, | 0 | 0 | 94.4 |
| Thames Water | Thames | Cassington (New) | 0 | 0 | 99.9 |
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. 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