North West Cambridgeshire was polluted by sewage 397 times in 2024
lasting 4,563 hours

Constituency

Select the constituency from the drop-down

✔ means we have experimental daily data since 2023

Live data for North West Cambridgeshire in 2025

So far this year (as of Apr 16, 2025, 6:15 PM) there has been 1,132 hours of sewage overflows

Totals for North West Cambridgeshire in 2024

14 Sites polluted by Anglian Water

397 sewage dumps
4,563 h duration

That's 6.34 months. On average 1.1 times a day

Change Over Time

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Constituencies near North West Cambridgeshire

Waterways in North West Cambridgeshire

Daily Data

We get information about overflowing CSOs since January 2025. Here is a chart of the last three months of data for North West Cambridgeshire, here you can see overflows in red, the darker the red, the more the CSO overflowed that day.

Each CSO has a row, the most recent data is on the right hand side.

Monitoring Online Monitoring Offline Polluting Potentially Polluting Unknown

Daily data is experimental and data is not guaranteed to be accurate. Please inform us of any issue, we will fix.

Pollution Summary 2024

Here are all the reported sewage overflow totals for North West Cambridgeshire in 2024. 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 0 of the total 17 CSO locations had reporting enabled for less than half the year, of which 0 had zero reporting.

Company	Waterway	Site	Sewage Dumps	Duration (Hours)	Reporting %
Anglian Water	R Nene	WANSFORD PS	56	969	100
Anglian Water	R Welland	BAINTON PS	50	771	100
Anglian Water	River Nene	ELTON WRC	28	551	99.5
Anglian Water	Alconbury Brook	GREAT GIDDING PS	73	478	98.8
Anglian Water	Car Dyke	SSO AT ST PEGAS ROAD	35	459	97
Anglian Water	River Welland	SSO WOTHORPE	31	407	85
Anglian Water	River Nene	PETERBOROUGH OUNDLE ROAD CSO	48	405	97.9
Anglian Water	R Nene	MILTON FERRY PS	31	316	100
Anglian Water	High Lode	RAMSEY - BODSEY TPS	8	77	100
Anglian Water	Unknown	SO RAMSEY	20	56	98.2
Anglian Water	River Nene	PETERBOROUGH-ORTON MERE PS	5	33	100
Anglian Water	Wittering Brook	WITTERING STW	6	23	100
Anglian Water	River Nene	ALWALTON MILL LANE PUMPING STATION	5	7	100
Anglian Water	River Nene	HORSEY TOLL PUMPING STATION	1	6	99.7
Anglian Water	Fletton Spring	SHERWOOD AVENUE SSO	0	0	86.3
Anglian Water	Marholm Brook	MARHOLM PUMPING STATION	0	0	100
Anglian Water	Ramsey High Lode	ST MARY'S RD	0	0	44.7

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. This 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.

Analysing sewage pollution by the Water Industry

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