Southend West and Leigh

Polluted by sewage 113 times in 2025 lasting 248 hours

Monitoring fell below 50% in some locations so could be more

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Live data for Southend West and Leigh in 2026

So far this year (as of 25 Oct 2026, 17:45) there has been 54 hours of sewage overflows, from 35 CSO Combined Sewage Overflow - a device that, when operating, pours combined rainwater & sewage into a waterway s

Sewage without rain in Southend West and Leigh

On 9 occasions since December 2024, no rain fell anywhere in Southend West and Leigh for days — and its CSO Combined Sewage Overflow - a device that, when operating, pours combined rainwater & sewage into a waterway s discharged anyway.

14 Jul - 15 Jul 2026 1 at once · 0h 13 Aug 2025 1 at once · 0h 4 Mar 2025 1 at once · 0h

Totals for Southend West and Leigh in 2025

7 Sites polluted by Anglian Water
113 sewage dumps
248 hours duration
Sewage pollution map of Southend West and Leigh
Sewage pollution map of Southend West and Leigh: 113 spills in 2025, lasting 248 hours, by Anglian Water
That's 1.48 weeks. 2.2 times a week, on average

Change Over Time

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Constituencies near Southend West and Leigh

Waterways in Southend West and Leigh

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Pollution Summary 2025

Here are all the reported sewage overflow totals for Southend West and Leigh in 2025. Sometimes sewage can be being dumped for months at a time.

Reporting refers to how much of the time the monitoring was active. In this constituency 1 of the total 8 CSO Combined Sewage Overflow - a device that, when operating, pours combined rainwater & sewage into a waterway locations had reporting enabled for less than half the year.

Company Waterway Site Sewage Dumps Duration (Hours) Reporting %
Anglian Water Thames Estuary SOUTHEND SEWAGE WORKS 94 236 27.9
Anglian Water Prittle Brook SOUTHEND-PRINCE AVE (BELL PUB) CSO 7 6 100
Anglian Water Eastwood Brook EASTWOOD PARK 6 3 100
Anglian Water Prittle Brook SOUTHEND- RIORY CRESCENT CSO 2 1 100
Anglian Water Prittle Brook OVERFLOW OUTLET AT THE CIVIC CENTRE 2 0 100
Anglian Water Prittle Brook SOUTHEND - ROCHFORD ROAD CSO 1 0 100
Anglian Water Prittle Brook SOUTHEND 21-27 SHAKESPEARE AVE CSO 1 0 100
Anglian Water Prittle Brook PAVILION DRIVE CSO 0 0 100

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

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.

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Analysing sewage pollution by the Water Industry

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Contains Water UK National Storm Overflow Hub Data CC-BY-SA 4.0 and analysis ยฉ 2025 Top-Of-The-Poops

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