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Polluted by sewage 394 times in 2025 lasting 1,557 hours
Monitoring was disabled in some locations, so could be more
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Donate NowHere are all the reported sewage overflow totals for Glyn Ebwy in 2025. 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 place 2 of the total 23 CSO Combined Sewage Overflow - a device that, when operating, pours combined rainwater & sewage into a waterway locations had reporting enabled for less than half the year. Of these 2 had zero reporting.
| Company | Waterway | Site | Sewage Dumps | Duration (Hours) | Reporting % |
|---|---|---|---|---|---|
| Dwr Cymru Welsh Water | River Ebbw | RIVERSIDE DOCTORS SURGERY EBBW VALE CSO | 102 | 758 | 99.9 |
| Dwr Cymru Welsh Water | Ebbw Fawr | CSO at Ebbw Vale Victoria Reclamation Scheme | 26 | 201 | 99.6 |
| Dwr Cymru Welsh Water | Ebbw River | CSO 29 OPP THE CROFT STEELWORKS RD | 45 | 122 | 66.6 |
| Dwr Cymru Welsh Water | Ebbw Fawr | GOSPEL HALL CSO BEAUFOR RD EBBW VA | 49 | 106 | 99.9 |
| Dwr Cymru Welsh Water | River Ebbw | Ebbw Vale PontyGof | 38 | 84 | 93.6 |
| Dwr Cymru Welsh Water | Ebbw Fawr | CSO 31 ADJ STEELWORKS RD CAR PARK | 21 | 79 | 99.9 |
| Dwr Cymru Welsh Water | Ebbw River | Allotment Rd CSO | 13 | 72 | 99.9 |
| Dwr Cymru Welsh Water | Ebbw River | Tredegar Rd Nr 62A, Ebbw Vale | 29 | 64 | 99.7 |
| Dwr Cymru Welsh Water | Nant Melyn/Rasa Brook | Coedcae House CSO | 18 | 32 | 99.2 |
| Dwr Cymru Welsh Water | Ebbw Fawr | CSO at Opp No 11 Brynhyfryd Terr Ebbw Vale | 20 | 14 | 99.9 |
| Dwr Cymru Welsh Water | Sirhowy River | Tredegar Ladies Row CSO o/s School Entrance | 10 | 9 | 99.6 |
| Dwr Cymru Welsh Water | Ebbw River | Excelsior Street (rear lane) | 8 | 8 | 93.2 |
| Dwr Cymru Welsh Water | Ebbw Fawr | Beaufort Terrace CSO | 7 | 3 | 96.1 |
| Dwr Cymru Welsh Water | Ebbw Fawr | CSO at Ebbw Vale Junction of Tredegar Rd & Harcourt St | 5 | 1 | 99.8 |
| Dwr Cymru Welsh Water | Rasa Brook | Under Flyover | 3 | 0 | 99.1 |
| Dwr Cymru Welsh Water | River Ebbw | CSO NO.32031 EBBW VALE RUGBY GROUND | 0 | 0 | 98.4 |
| Dwr Cymru Welsh Water | Ebbw Fawr | CSO O/S Beaufort Arms, Beaufort Rd, Ebbw Vale | 0 | 0 | 0 |
| Dwr Cymru Welsh Water | Ebbw Fawr | CSO at Ebbw Vale Beaufort Rd & Badminton Grove Junction | 0 | 0 | 0 |
| Dwr Cymru Welsh Water | Ebbw Fawr Via A Surface Water Culvert | CSO at Ebbw Vale Queens Square | 0 | 0 | 100 |
| Dwr Cymru Welsh Water | River Ebbw | CSO at R/O PH Beaufort Rd / R/O 23 Lillian Grove | 0 | 0 | 100 |
| Dwr Cymru Welsh Water | Ebbw River | CSO at Rear of 4 Harcourt Street, Ebbw Vale | 0 | 0 | 99.7 |
| Dwr Cymru Welsh Water | Ebbw River | Lambs Square CSO | 0 | 0 | 100 |
| Dwr Cymru Welsh Water | River Ebbw | Lambs Square/Lower Square | 0 | 0 | 97.6 |
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. 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.
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Get in touch if you have queries or want to discuss our data.
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