River Tonge polluted by sewage 171 times in 2025 - lasting 290 hours

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Totals for River Tonge in 2025
7 Sites polluted by United Utilities
171 sewage dumps
290 h duration
That's 1.73 weeks. 3.3 times a week, on average
Constituencies along River Tonge
Places along River Tonge

Pollution Summary 2025

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

Company Waterway Site Sewage Dumps Duration (Hours) Reporting %
United Utilities River Tonge WATERS MEETING ROAD CSO 073KZ 55 166 99.3
United Utilities River Tonge TURNER BRIDGE CSO 42 36 100
United Utilities River Tonge ZULU SREET CSO 07032 25 27 100
United Utilities River Tonge HAPATIA STREET CSO 074EA 18 25 83
United Utilities River Tonge TONGE MOOR RD CSO 11 21 84.9
United Utilities River Tonge HAG END BROW CSO 19 12 99.1
United Utilities River Tonge BLACKBURN RD HALLIWELL RD CSO 071EU 1 0 99.9
United Utilities River Tonge ENTWISTLE ST CSO 0 0 76.4
United Utilities River Tonge TONGE VALLEY CSO 0 0 77.1

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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