Bicester and Woodstock - 2025 Sewage

Polluted by sewage 6,556 hours in 2025 , monitoring offline 5,731 hours , potential overflows 651 hours

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Contains OS Data © Crown copyright & database right 2021-2024
© Top of the Poops 2021-2024

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View Annual Sewage Data

You're looking at the totals that we have calculated for sewage in Bicester and Woodstock for 2025. It is an estimate, based on very poor quality live data from the Water Companies. This may not align with the 'official' reported sewage values from the water companies, which is reported in April following then end of the year - so 2025 numbers are reported in April 2026.

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.

Totals for Bicester and Woodstock in 2025

Sewage6,556 hours
Monitoring offline5,731 hours
Potential pollution651 hours
Storm overflows33

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Daily Data

Jan - 1,464 hours , 9 offline
Feb - 650 hours , 658 offline
Mar - 57 hours , 147 offline
Apr - 24 hours , 11 offline
May - 21 hours , 436 offline
Jun - 4 hours , 720 offline
Jul - 10 hours , 744 offline
Aug - 13 hours , 1,337 offline
Sept - 9 hours , 1,080 offline
Oct - 7 hours , 587 offline
Nov - 1,308 hours , 256 potential
Dec - 2,986 hours , 395 potential
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Totals so far

Company Site Name Receiving Waterway Overflow Days Total Duration (hours) Offline/Potential Pollution
Thames Water Church Hanborough STW Hanborough Stream 70 1,033h 15m -
Thames Water Church Hanborough STW Hanborough Stream 38 684h 45m -
Thames Water South Leigh STW Limb Brook 26 550h 15m -
Thames Water Weston-on-the-Green STW Gallos Brook 21 415h 30m -
Thames Water Charlton-on-Otmoor STW Oxon Ray 28 414h -
Thames Water Charlton-on-Otmoor STW Oxon Ray 26 398h -
Thames Water South Leigh STW Limb Brook 22 377h -
Thames Water Horton-Cum-Studley STW Danes Brook 40 299h 45m 928 h
Thames Water Combe STW Evenlode 18 298h -
Thames Water Islip STW River Ray 14 285h 45m -
Thames Water Weston-on-the-Green STW Gallos Brook 20 280h 30m -
Thames Water Bletchingdon STW Bletchingdon Brook 29 258h 219 h
Thames Water Bicester STW Langford Brook 17 231h 15m -
Thames Water Bicester STW Langford Brook 17 217h 30m -
Thames Water Upper Heyford STW Cherwell 15 160h 45m -
Thames Water Upper Heyford STW Cherwell 14 136h 15m -
Thames Water Middleton Stoney STW Gagle Brook 12 96h 45m -
Thames Water Combe STW Evenlode 8 63h 30m -
Thames Water Woodstock STW River Glyme 8 60h 667 h
Thames Water Middleton Stoney STW Gagle Brook 7 50h 0 h
Thames Water Tackley SPS & Storm SPS Rver Cherwell 4 47h 15m -
Anglian Water ARDLEY STW Stoke Lyne Brook 7 45h 16m -
Thames Water Bletchingdon STW Bletchingdon Brook 4 38h 15m -
Anglian Water WESTBURY STW River Great Ouse 11 29h 51m 0 h
Thames Water Islip STW River Ray 2 29h 15m 3,331 h
Thames Water Woodstock STW River Glyme 12 28h 45m -
Thames Water Weston-on-the-Green SPS Gallos Brook 2 21h 14m -
Anglian Water ARDLEY STW Stoke Lyne Brook 1 3h 59m -
Anglian Water WESTBURY STW River Great Ouse 3 1h 13m -
Thames Water Horton-Cum-Studley STW Danes Brook 1 0h 30m 651 h
Thames Water XX (Bucknell) SPS Town Brook 0 0h 584 h
Thames Water XX (Bucknell) SPS Town Brook 0 0h -
Thames Water Weston-on-the-Green SPS Gallos Brook 0 0h -

Data Sources & Accuracy

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.