Tidal River Great Ouse polluted by sewage 97 times in 2025 - lasting 271 hours

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Totals for Tidal River Great Ouse in 2025
6 Sites polluted by Anglian Water
97 sewage dumps
271 h duration
That's 1.61 weeks. 1.9 times a week, on average
Constituencies along Tidal River Great Ouse
Places along Tidal River Great Ouse

Pollution Summary 2025

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

Company Waterway Site Sewage Dumps Duration (Hours) Reporting %
Anglian Water Tidal River Great Ouse KING'S LYNN TUNNEL PS 75 178 100
Anglian Water Tidal River Great Ouse KINGS LYNN GAYWOOD CSO 14 90 100
Anglian Water Tidal River Great Ouse KINGS LYNN - FERRY STREET CSO 2 1 99.9
Anglian Water Tidal River Great Ouse KINGS LYNN WATER LANE CSO 3 1 97
Anglian Water Tidal River Great Ouse KINGS LYNN TUESDAY MARKET PLACE CSO 2 0 99
Anglian Water Tidal River Great Ouse KINGS LYNN PAGESTAIR LANE CSO 1 0 98
Anglian Water Tidal River Great Ouse KINGS LYNN WRC 0 0 100

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

Annual figures up to and including 2025 come from official water company returns. The 2026 figure is our own estimate, derived continuously from the companies' live data feeds.

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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