River South Tyne polluted by sewage 173 times in 2025 - lasting 484 hours

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Totals for River South Tyne in 2025
8 Sites polluted by Northumbrian Water
173 sewage dumps
484 h duration
That's 2.88 weeks. 3.3 times a week, on average
Constituencies along River South Tyne
Places along River South Tyne

Pollution Summary 2025

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

Company Waterway Site Sewage Dumps Duration (Hours) Reporting %
Northumbrian Water River South Tyne HAYDON BRIDGE STW 25 200 99.8
Northumbrian Water River South Tyne ALSTON EJECTOR STATION CSO 21 118 93.9
Northumbrian Water River South Tyne FOURSTONES STW 12 76 99.7
Northumbrian Water River South Tyne OLD TYNE BRIDGE CSO 44 40 99.6
Northumbrian Water River South Tyne SLAGGYFORD SPS 4 25 99.9
Northumbrian Water River South Tyne MELKRIDGE STW 27 13 68.5
Northumbrian Water River South Tyne THE FIRS CSO ED003 3 6 87.3
Northumbrian Water River South Tyne THE OLD VICARAGE CSO 37 3 90.3
Northumbrian Water River South Tyne LANYTYS LONNEN CSO 0 0 89.5
Northumbrian Water River South Tyne ST AIDENS PARK CSO 0 0 98.5

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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