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

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Contains OS Data © Crown copyright & database right 2021-2023
© Top of the Poops 2021-2023
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

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.