Hitchin was polluted by sewage 219 times in 2024
lasting 2,097 hours

Constituency

Select the constituency from the drop-down

✔ means we have experimental daily data since 2023

Live data for Hitchin in 2025

So far this year (as of Apr 16, 2025, 6:00 PM) there has been 146 hours of sewage overflows

Totals for Hitchin in 2024

8 Sites polluted by Anglian Water, Thames Water

219 sewage dumps
2,097 h duration

That's 2.91 months. 4.2 times a week, on average

Change Over Time

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Your local MP is Alistair Strathern (Labour) - Find out more about their interests, donors, and voting at They Work For You

Constituencies near Hitchin

Waterways in Hitchin

Daily Data

We get information about overflowing CSOs since January 2025. Here is a chart of the last three months of data for Hitchin, 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 Hitchin 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 9 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	Ash Brook, River Great Ouse	ASHBROOK WATER RECYCLING CENTRE	52	639	94
Anglian Water	River Ivel	POPPYHILL WRC	36	536	100
Anglian Water	River Hiz	HITCHIN WATER RECYCLING CENTRE	65	422	64.9
Thames Water	River Mimram	WHITWELL WWTW	36	393	96.2
Anglian Water	Tingewick Brook	STOTFOLD - BROOK END PS	11	58	100
Anglian Water	Unknown	POUND FARM PUMPING STATION	6	24	100
Anglian Water	River Hiz	CSO AND EO AT PIRTON TPS	11	19	100
Anglian Water	River Hiz	BANCROFT RECREATION GROUND CSO	2	3	100
Anglian Water	Henlow Brook	CLIFTON WATER RECYCLING CENTRE	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. 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

Media Queries

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press [at] top-of-the-poops.org

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