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Banbury

Polluted by sewage 427 times in 2025 lasting 4,428 hours

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

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Live data for Banbury in 2026

So far this year (as of 18 May 2026, 12:00) there has been 6,775 hours of sewage overflows, from 37 CSO Combined Sewage Overflow - a device that, when operating, pours combined rainwater & sewage into a waterway s

Totals for Banbury in 2025

19 Sites polluted by Anglian Water Thames Water
427 sewage dumps
4,428 hours duration
That's 6.15 months. On average 1.2 times a day

Change Over Time

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Pollution Summary 2025

Here are all the reported sewage overflow totals for Banbury 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 Hanwell Brook HANWELL WWTW 27 471 100
Thames Water Cherwell CROPREDY STW, WILLIAMSCOTT ROAD, CR 35 452 99.8
Thames Water Little Compton Stream LITTLE COMPTON STW, LITTLE COMPTON, 30 414 99.8
Thames Water Hook Nortonbrook HOOK NORTON STW, HOOK NORTON, OXON 23 381 100
Thames Water Chadlingtonstream CHADLINGTON STW, CHADLINGTON, OXON 35 362 100
Thames Water River Cherwell WARDINGTON SEWAGE PUMPING STATION 55 357 98.9
Thames Water Bloxham Brook BLOXHAM STW, BLOXHAM, OXON 28 348 100
Thames Water River Cherwell BANBURY WASTEWATER TREATMENT WORKS 26 313 95.6
Thames Water Blue Brook CHIPPING NORTON STW 21 277 100
Thames Water Shutford Stream SHUTFORD WASTEWATER TREATMENT WORKS 32 254 95.2
Thames Water Sor Brook HORLEY (OXON) WWTW 23 161 100
Thames Water River Dorn MIDDLE BARTON WWTW 15 152 99.7
Thames Water River Evenlode FINSTOCK STW, FINSTOCK, OXON 13 143 100
Anglian Water Padbury Brook River Great Ouse FRITWELL STW 22 93 99.8
Thames Water Clifton Brook CLIFTON WASTEWATER TREATMENT WORKS 12 89 100
Thames Water Cornwell Brook KINGHAM SEWAGE PUMPING STATION 17 79 99.8
Thames Water Evenlode CHARLBURY WWTW 7 52 100
Thames Water Hornton Stream HORNTON STW, HORNTON, BANBURY, OXON 2 18 100
Thames Water River Cherwell LOWER CHERWELL ST WPS, BANBURY 4 4 100
Thames Water Cherwell Fergusson Road, Banbury 0 0 100

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

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.