North West Cambridgeshire

Polluted by sewage 223 times in 2025 lasting 523 hours

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Live data for North West Cambridgeshire in 2026

So far this year (as of 25 Oct 2026, 21:15) there has been 1,796 hours of sewage overflows, from 37 CSO Combined Sewage Overflow - a device that, when operating, pours combined rainwater & sewage into a waterway s

Sewage without rain in North West Cambridgeshire

On 14 occasions since December 2024, no rain fell anywhere in North West Cambridgeshire for days — and its CSO Combined Sewage Overflow - a device that, when operating, pours combined rainwater & sewage into a waterway s discharged anyway.

2 Mar - 8 Mar 2025 2 at once · 61h 12 Jan - 15 Jan 2025 3 at once · 56h 19 Jan - 21 Jan 2025 1 at once · 12h

Totals for North West Cambridgeshire in 2025

14 Sites polluted by Anglian Water
223 sewage dumps
523 hours duration
Sewage pollution map of North West Cambridgeshire
Sewage pollution map of North West Cambridgeshire: 223 spills in 2025, lasting 523 hours, by Anglian Water
That's 3.11 weeks. 4.3 times a week, on average

Change Over Time

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Waterways in North West Cambridgeshire

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Pollution Summary 2025

Here are all the reported sewage overflow totals for North West Cambridgeshire 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 R Nene WANSFORD PS 13 155 100
Anglian Water River Welland SSO WOTHORPE 16 85 99.9
Anglian Water River Nene ELTON WRC 5 61 98.5
Anglian Water Ramsey High Lode ST MARY'S RD 9 57 50.8
Anglian Water High Lode RAMSEY - BODSEY TPS 6 50 100
Anglian Water R Welland BAINTON PS 8 41 100
Anglian Water Wittering Brook WITTERING STW 4 29 99.9
Anglian Water Car Dyke SSO AT ST PEGAS ROAD 5 20 100
Anglian Water R Nene MILTON FERRY PS 4 11 100
Anglian Water Alconbury Brook GREAT GIDDING PS 2 4 99.9
Anglian Water River Nene PETERBOROUGH OUNDLE ROAD CSO 3 2 100
Anglian Water River Nene ALWALTON MILL LANE PUMPING STATION 3 1 100
Anglian Water Unknown SO RAMSEY 144 1 98.8
Anglian Water River Nene HORSEY TOLL PUMPING STATION 1 0 100
Anglian Water Marholm Brook MARHOLM PUMPING STATION 0 0 100
Anglian Water River Nene PETERBOROUGH-ORTON MERE PS 0 0 100
Anglian Water Fletton Spring SHERWOOD AVENUE SSO 0 0 52.2

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

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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