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Chichester Harbour polluted by sewage 292 times in 2023 - lasting 4,764 hours

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Contains OS Data © Crown copyright & database right 2021-2023
© Top of the Poops 2021-2023
Totals for Chichester Harbour in 2023
4 Sites polluted by Southern Water
292 sewage dumps
4,764 h duration
That's 6.62 months. 5.6 times a week, on average
Constituencies along Chichester Harbour

Pollution Summary 2023

Here are all the reported sewage overflow totals for Chichester Harbour 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 Chichester Harbour CHICHESTER WWTW 227 3,939 99
Southern Water Chichester Harbour TAYLORS LANE BOSHAM, WWPS 32 504 99.7
Southern Water Chichester Harbour MAIN ROAD FISHBOURNE CSO 29 278 99.6
Southern Water Chichester Harbour FISHERY LANE PS 4 41 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.