Hitchin was polluted by sewage 145 times in 2023
lasting 532 hours
- but monitoring was disabled in some locations, so could be more

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Constituency

✔ means we have experimental daily data since 2023

Totals for Hitchin in 2023

8 Sites polluted by Anglian Water, Thames Water

145 sewage dumps
532 h duration

That's 22.17 days. 2.8 times a week, on average

Change Over Time

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Constituencies near Hitchin

Waterways in Hitchin

Daily Data Since 2023

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 2023

Here are all the reported sewage overflow totals for Hitchin in 2023. 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 2 of the total 11 CSO locations had reporting enabled for less than half the year, of which 2 had zero reporting.

Company	Waterway	Site	Sewage Dumps	Duration (Hours)	Reporting %
Anglian Water	River Ivel	POPPYHILL WRC	18	198	100
Anglian Water	River Hiz	HITCHIN WATER RECYCLING CENTRE	95	160	99.75
Anglian Water	Ash Brook, River Great Ouse	ASHBROOK WATER RECYCLING CENTRE	12	80	100
Anglian Water	Henlow Brook	CLIFTON WATER RECYCLING CENTRE	7	51	99.3
Anglian Water	Tingewick Brook	STOTFOLD - BROOK END PS	3	16	100
Thames Water	River Mimram	WHITWELL WWTW	2	12	99.8
Anglian Water	River Hiz	CSO AND EO AT PIRTON TPS	7	11	95.5
Anglian Water	River Hiz	BANCROFT RECREATION GROUND CSO	1	1	99.8
Anglian Water	River Ivel	CSO AT ARLESEY	0	0	0
Anglian Water	River Oughton	OLD HALE STORM OVERFLOW	0	0	0
Anglian Water	Unknown	POUND FARM PUMPING STATION	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

With generous support from:

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