Nant Clydach polluted by sewage 642 times in 2023 - lasting 3,649 hours

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Contains OS Data © Crown copyright & database right 2021-2023
© Top of the Poops 2021-2023
Totals for Nant Clydach in 2023
8 Sites polluted by Dwr Cymru Welsh Water
642 sewage dumps
3,649 h duration
That's 5.07 months. On average 1.8 times a day
Constituencies along Nant Clydach

Pollution Summary 2023

Here are all the reported sewage overflow totals for Nant Clydach 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 Nant Clydach A CSO at Clydach Vale Davies Street 152 1,243 98.3
Dwr Cymru Welsh Water Nant Clydach Tank Near Pit CSO Ynysybwl 135 882 98.4
Dwr Cymru Welsh Water Nant Clydach GLYN STREET CSO GLYN ST YNYSYBWL 117 558 98.6
Dwr Cymru Welsh Water Nant Clydach CSO at Tonypandy, Rear of De Winton St 86 506 98.5
Dwr Cymru Welsh Water Nant Clydach Railway Terrace CSO, Clydach Vale 67 174 99.6
Dwr Cymru Welsh Water Nant Clydach CSO at Clydach Rd, Ynysbwl 44 163 82.8
Dwr Cymru Welsh Water Nant Clydach CSO O/S 2 Clydach Terrace, Ynysybwl 25 90 81.5
Dwr Cymru Welsh Water Nant Clydach Old Parish Road CSO, Ynysbwl 16 30 16.3

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.