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Controlled Sea polluted by sewage 451 times in 2023 - lasting 3,846 hours

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Contains OS Data © Crown copyright & database right 2021-2023
© Top of the Poops 2021-2023
Totals for Controlled Sea in 2023
13 Sites polluted by Southern Water
451 sewage dumps
3,846 h duration
That's 5.34 months. On average 1.2 times a day

Pollution Summary 2023

Here are all the reported sewage overflow totals for Controlled Sea in 2023. Sometimes sewage can be being dumped for months at a time.

These numbers are very slightly different from the Rivers page. We're working on it.

Company Waterway Site Sewage Dumps Duration (Hours) Reporting %
Southern Water Controlled Sea BOGNOR REGIS WASTEWATER PS 135 1,620 99.7
Southern Water Controlled Sea LITTLEHAMPTON WWPS 78 587 99.7
Southern Water Controlled Sea POLEGROVE TANK CSO 45 567 100
Southern Water Controlled Sea LONDON ROAD BURGESS HILL CSO 16 283 100
Southern Water Controlled Sea BEXHILL DOWN TANK CSO 27 281 100
Southern Water Controlled Sea HARTFIELD ROAD CSO 46 149 99.5
Southern Water Controlled Sea COODEN BEACH TANK CSO 12 109 100
Southern Water Controlled Sea ALDWICK AVENUE CSO 12 103 99.7
Southern Water Controlled Sea BROADMARK PUMPING STATION 12 87 99.7
Southern Water Controlled Sea TANKERTON BAY OUTFALL 57 34 99.87
Southern Water Controlled Sea SANDGATE PUMPING STATION 9 12 100
Southern Water Controlled Sea ALDWICK ROAD/VICTORIA ROAD CSO 1 6 99.7
Southern Water Controlled Sea CLIFFS END OUTFALL 1 1 100
Southern Water Controlled Sea ALBION CSO 0 0 98.5
Southern Water Controlled Sea MARINE TERRACE C S O 0 0 99.9
Southern Water Controlled Sea WESTCLIFF PUMPING STATION 0 0 52
Southern Water Controlled Sea ST MILDRED'S BAY CSO 0 0 99.9
Southern Water Controlled Sea SEA VIEW TERRACE CSO 0 0 99.2

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.