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River Clwyd polluted by sewage 384 times in 2023 - lasting 4,005 hours

Totals for River Clwyd in 2023

7 Sites polluted by Dwr Cymru Welsh Water

384 sewage dumps
4,005 h duration

That's 5.56 months. On average 1.1 times a day

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Constituencies along River Clwyd

Pollution Summary 2023

Here are all the reported sewage overflow totals for River Clwyd in 2023. Sometimes sewage can be being dumped for months at a time.

These numbers are very slightly different from the Rivers page. We're working on it.

Company	Waterway	Site	Sewage Dumps	Duration (Hours)	Reporting %
Dwr Cymru Welsh Water	River Clwyd	Settled Storm Sewage at Pwllglas WwTW	96	1,695	100
Dwr Cymru Welsh Water	River Clwyd	RUTHIN STW (FINAL)	82	918	99.7
Dwr Cymru Welsh Water	River Clwyd	DENBIGH WWTW	64	764	99.95
Dwr Cymru Welsh Water	River Clwyd	RUTHIN STW (SETTLED STORM)	36	417	99.2
Dwr Cymru Welsh Water	River Clwyd	PWLLGLAS STW	74	134	100
Dwr Cymru Welsh Water	River Clwyd	Rhuddlan Wastewater Treatment Works Storm Tanks	24	45	99.7
Dwr Cymru Welsh Water	River Clwyd	RUTHIN STW (CSO)	8	30	100
Dwr Cymru Welsh Water	River Clwyd	CSO AT GAMEKEEPER PH, LOWER STREET, ST ASAPH	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:

Media Queries

Get in touch if you have queries or want to discuss our data.

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

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