It's a Dirty Business

Watch Channel 4's documentary about the state of the water industry, then sign the petition to bring water back to public ownership.

River Cocker polluted by sewage 134 times in 2025 - lasting 615 hours

© OpenStreetMap contributors
Contains OS Data © Crown copyright & database right 2021-2024
© Top of the Poops 2021-2024
Totals for River Cocker in 2025
3 Sites polluted by United Utilities
134 sewage dumps
615 h duration
That's 3.66 weeks. 2.6 times a week, on average
Constituencies along River Cocker
Places along River Cocker

Pollution Summary 2025

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

Company Waterway Site Sewage Dumps Duration (Hours) Reporting %
United Utilities River Cocker COCKERHAM CSO 121 596 97.9
United Utilities River Cocker LORTON STW 10 18 94.5
United Utilities River Cocker RIBBLESDALE DRIVE PS 3 0 81.2

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.