Portsmouth North polluted by sewage 186 times in 2022 - lasting 359 hours

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Contains OS Data © Crown copyright & database right 2021-2022
© Top of the Poops 2021-2023
✔ means we have experimental daily data for 2023
Totals for Portsmouth North in 2022
10 Sites polluted by Southern Water
186 sewage dumps
359 h duration
That's 14.96 days. 3.6 times a week, on average

Pollution Summary 2022

Here are all the reported sewage overflow totals for Portsmouth North in 2022. Sometimes sewage can be being dumped for months at a time.

Company Waterway Site Sewage Dumps Duration (Hours) Reporting %
Southern Water Portsmouth Harbour GRUNEISON ROAD STORM PS 56 100 84.6
Southern Water Portsmouth Harbour NORTH END AVENUE PORTSMOUTH CSO 46 100 99.6
Southern Water Ports Creek COSHAM PS 18 71 100
Southern Water Ports Creek MAINLAND PS 22 40 100
Southern Water Portsmouth Harbour MILE END ROAD CSO 12 14 81.7
Southern Water Langstone Harbour KIRTLEY CLOSE DRAYTON CSO 12 14 100
Southern Water Portsmouth Harbour WIDLEY ROAD PORTSMOUTH CSO 11 9 100
Southern Water Broom Channel ST ANDREWS ROAD PORTSMOUTH CSO 4 4 100
Southern Water Portsmouth Harbour COMMERCIAL ROAD/RUDMORE ROAD CSO 4 2 81.7
Southern Water Great Salterns Lake BURRFIELDS ROAD PORTSMOUTH CSO 1 0 100

Data Sources & Accuracy

EDM (Event Duration Monitoring) data and Consented Discharges to Controlled Waters with Conditions from Environment Agency & Data Map Wales

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.

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