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River Orwell polluted by sewage 261 times in 2025 - lasting 346 hours

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Contains OS Data © Crown copyright & database right 2021-2024
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Totals for River Orwell in 2025
9 Sites polluted by Anglian Water
261 sewage dumps
346 h duration
That's 2.06 weeks. 5 times a week, on average
Places along River Orwell

Pollution Summary 2025

Here are all the reported sewage overflow totals for River Orwell in 2025. Sometimes sewage can be being dumped for months at a time.

Company Waterway Site Sewage Dumps Duration (Hours) Reporting %
Anglian Water River Orwell IPSWICH-WHERSTEAD ROAD PS 47 90 99.2
Anglian Water River Orwell IPSWICH-CLIFF QUAY WRC 28 88 99.8
Anglian Water River Orwell IPSWICH-CLIFF QUAY WRC 41 64 99.6
Anglian Water River Orwell IPSWICH WOLSEY STREET PS 66 43 99.9
Anglian Water River Orwell WOOLVERSTONE - MARINA TPS 9 24 100
Anglian Water River Orwell LONDON RD/HADLEIGH RD - MH8504 27 23 98.8
Anglian Water River Orwell CLIFF QUAY NEW TUNNEL OUTFALL 35 7 100
Anglian Water River Orwell YARMOUTH ROAD CSO 3 3 100
Anglian Water River Orwell DOCK STREET PUMPING STATION 5 2 96.4

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.