West Suffolk

Polluted by sewage 121 times in 2025 lasting 1,100 hours

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Live data for West Suffolk in 2026

So far this year (as of 25 Oct 2026, 19:45) there has been 2,942 hours of sewage overflows, from 38 CSO Combined Sewage Overflow - a device that, when operating, pours combined rainwater & sewage into a waterway s

Sewage without rain in West Suffolk

On 2 occasions since December 2024, no rain fell anywhere in West Suffolk for days — and its CSO Combined Sewage Overflow - a device that, when operating, pours combined rainwater & sewage into a waterway s discharged anyway.

30 Mar 2025 1 at once · 5h 21 Aug 2025 1 at once · 1h

Totals for West Suffolk in 2025

14 Sites polluted by Anglian Water
121 sewage dumps
1,100 hours duration
Sewage pollution map of West Suffolk
Sewage pollution map of West Suffolk: 121 spills in 2025, lasting 1,100 hours, by Anglian Water
That's 1.53 months. 2.3 times a week, on average

Change Over Time

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Pollution Summary 2025

Here are all the reported sewage overflow totals for West Suffolk 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 all the declared CSO Combined Sewage Overflow - a device that, when operating, pours combined rainwater & sewage into a waterway s appeared to have monitoring enabled for more than 50% of the year

Company Waterway Site Sewage Dumps Duration (Hours) Reporting %
Anglian Water Chilton Brook River Stour HUNDON WATER RECYCLING CENTRE 20 300 99.9
Anglian Water R Lark CHURCH ROAD PS, WHEPSTEAD 23 205 100
Anglian Water River Linnet CHURCH RD TPS CSO 25 196 99.9
Anglian Water Cavenham Stream River Lark BARROW WATER RECYCLING CENTRE 13 134 100
Anglian Water River Stour GREAT WRATTING SP 9 59 100
Anglian Water River Linnet CHEDBURGH STW 6 55 98.2
Anglian Water Stanningf'D R Lark HAWSTEAD GREEN PUMPING STATION 6 36 100
Anglian Water Stour Brook LITTLE WRATTING PS 3 35 100
Anglian Water River Lark CULFORD THE STREET SP 7 29 100
Anglian Water Stour Brook River Stour HAVERHILL WRC 3 29 100
Anglian Water River Little Ouse BRANDON WRC 3 15 99.9
Anglian Water River Kennett GREEN MAN PH COWLINGE PS 1 3 100
Anglian Water River Lark GREAT WELNETHAM WRC 1 0 99.9
Anglian Water River Lark THE OVERFLOW AT PS 1 0 100
Anglian Water River Kennett COWLINGE - THREE TUNS SP 0 0 100
Anglian Water River Lark MILDENHALL WATER RECYCLING CENTRE 0 0 100
Anglian Water Newmarket No.1 Public Drain NEWMARKET WATER RECYCLING CENTRE 0 0 99.95
Anglian Water River Glem WICKHAMBROOK - BROOK COTTAGES TPS 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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