Canterbury was polluted by sewage 295 times in 2023
lasting 1,460 hours

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Contains OS Data © Crown copyright & database right 2021-2023
© Top of the Poops 2021-2023
✔ means we have experimental daily data since 2023
Totals for Canterbury in 2023
8 Sites polluted by Southern Water
295 sewage dumps
1,460 h duration
That's 2.03 months. 5.7 times a week, on average
Change Over Time
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Pollution Summary 2023

Here are all the reported sewage overflow totals for Canterbury in 2023. 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 0 of the total 10 CSO locations had reporting enabled for less than half the year, of which 0 had zero reporting.

Company Waterway Site Sewage Dumps Duration (Hours) Reporting %
Southern Water North Sea SWALECLIFFE WWTW 129 961 99.95
Southern Water Great Stour River FORDWICH ROAD STURRY CEO 22 178 99.8
Southern Water Great Stour HOSPITAL FARM HARBLEDOWN CEO 21 96 99.9
Southern Water River Great Stour CANTERBURY WASTEWATER TREATMENT WKS 15 92 99.9
Southern Water Tankerton Bay GORRELL OUTFALL VIA DIAMOND RD CSO 34 81 100
Southern Water Controlled Sea TANKERTON BAY OUTFALL 57 34 99.87
Southern Water Freshwater River CHESTFIELD STORM TANKS 2 10 99.6
Southern Water Great Stour WINCHEAP CANTERBURY CSO 15 5 64.7
Southern Water Great Stour River KINGSMEAD ROAD CANTERBURY CSO 0 0 99.8
Southern Water Freshwater River BROOK ROAD WASTEWATER PUMPING 0 0 99.9

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. This 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.