Heswall

Polluted by sewage 142 times in 2024 lasting 1,012 hours

Monitoring fell below 50% in some locations so could be more

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Totals for Heswall in 2024

6 Sites polluted by Dwr Cymru Welsh Water

142 sewage dumps

1,012 hours duration

That's 1.41 months. 2.7 times a week, on average

Change Over Time

Waterways in Heswall

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Pollution Summary 2024

Here are all the reported sewage overflow totals for Heswall 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 locality 1 of the total 6 CSO locations had reporting enabled for less than half the year.

Company	Waterway	Site	Sewage Dumps	Duration (Hours)	Reporting %
Dwr Cymru Welsh Water	Dee Estuary	HESWALL WASTEWATER TREATMENT WORKS	58	715	99.5
Dwr Cymru Welsh Water	Pipe To River Dee	HESWALL SEABANK ROAD	28	228	32.9
Dwr Cymru Welsh Water	Dee	COTTAGE LANE PUMPING STATION	20	57	99.8
Dwr Cymru Welsh Water	River Dee	GAYTON PARKWAY CSO	11	7	98.9
Dwr Cymru Welsh Water	River Dee Estuary	HESWALL STORAGE TANK CSO HESWALL	22	2	99.4
Dwr Cymru Welsh Water	Unnamed To River Dee	GAYTON CEDARWAY PUMPING STATION	3	0	64.2

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

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.

Top of the Poops

Analysing sewage pollution by the Water Industry

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