Here are all the reported sewage overflow totals for Cardiff West 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 0 of the total 8 CSO locations had reporting enabled for less than half the year, of which 0 had zero reporting.
| Company | Waterway | Site | Sewage Dumps | Duration (Hours) | Reporting % |
|---|---|---|---|---|---|
| Dwr Cymru Welsh Water | River Clun | RHIWSAESON STW RHIWSAESON LLANTRI Settled Storm | 214 | 2,383 | 100 |
| Dwr Cymru Welsh Water | Nant Glaswg | Creigiau Sewage Treatment Works Hoel Settled Storm | 116 | 1,931 | 92.7 |
| Dwr Cymru Welsh Water | River Elai | St Fagans STW | 119 | 1,472 | 100 |
| Dwr Cymru Welsh Water | Nant Dowlais | RHYDLAFAR STW ST FAGANS CARDIFF | 130 | 669 | 100 |
| Dwr Cymru Welsh Water | Nant Henstaff | CREIGIAU PS | 67 | 386 | 100 |
| Dwr Cymru Welsh Water | River Ely | CSO at TRELAI PARK STORM SEWAGE PS | 48 | 129 | 92.7 |
| Dwr Cymru Welsh Water | River Ely | Ely Mill Rd/Muston Rd CSO, Cardiff | 14 | 4 | 100 |
| Dwr Cymru Welsh Water | River Ely | CSO at Cardiff Ely Plymouth Rd No 108 | 2 | 0 | 99.6 |
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.
