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Little Mere River polluted by sewage 226 times in 2025 - lasting 2,376 hours

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Totals for Little Mere River in 2025
3 Sites polluted by South West Water
226 sewage dumps
2,376 h duration
That's 3.3 months. 4.3 times a week, on average
Constituencies along Little Mere River
Places along Little Mere River

Pollution Summary 2025

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

Company Waterway Site Sewage Dumps Duration (Hours) Reporting %
South West Water Little Mere River MERTON WWTW CSO 144 1,461 96.5
South West Water Little Mere River PETROCKSTOWE STW 76 885 98.3
South West Water Little Mere River OAKLANDS CSO 6 30 100

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

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.