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Mells River polluted by sewage 207 times in 2025 - lasting 1,526 hours

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Contains OS Data © Crown copyright & database right 2021-2024
© Top of the Poops 2021-2024
Totals for Mells River in 2025
2 Sites polluted by Wessex Water
207 sewage dumps
1,526 h duration
That's 2.12 months. 4 times a week, on average
Constituencies along Mells River
Places along Mells River

Pollution Summary 2025

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

Company Waterway Site Sewage Dumps Duration (Hours) Reporting %
Wessex Water Mells River COLEFORD WASTEWATER TREATMENT WORKS 115 941 100
Wessex Water Mells River EDFORD WASTEWATER TREATMENT WORKS 92 584 99.75

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.

This project is not associated, approved or endorsed by any of the companies whose logos you see here.