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Here are all the reported sewage overflow totals for River Afan 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 Afan | Abercregan PS | 107 | 1,996 | 100 |
| Dwr Cymru Welsh Water | River Afan | CSO No. 109 at Cymmer SPS | 161 | 1,068 | 99.9 |
| Dwr Cymru Welsh Water | River Afan | CSO 101 THE WAUN 200M U/S FOOTBRIDGE | 97 | 490 | 98.9 |
| Dwr Cymru Welsh Water | River Afan | Duffryn CSO | 73 | 381 | 99.9 |
| Dwr Cymru Welsh Water | River Afan | Blaengwnfi Stormwater Overflow Cham | 54 | 182 | 98.5 |
| Dwr Cymru Welsh Water | River Afan | CSO No 115 Scotts Yard Cwmafan | 30 | 160 | 97.9 |
| Dwr Cymru Welsh Water | River Afan | CSO 107 Below Alder Terrace Afan | 49 | 79 | 99.2 |
| Dwr Cymru Welsh Water | River Afan | Britannia Inn CSO, Cwmafan | 23 | 66 | 56 |
| Dwr Cymru Welsh Water | River Afan | CSO at O/S 54 YNYS STREET | 31 | 39 | 85.8 |
| Dwr Cymru Welsh Water | River Afan | CSO NO 126 MOORS ST CULVERT AFAN | 14 | 38 | 27.6 |
| Dwr Cymru Welsh Water | River Afan | CSO 108 REAR 16 MARGAM ST CYMMER | 15 | 5 | 100 |
| Dwr Cymru Welsh Water | River Afan | Pontrhydyfen Road Bridge CSO | 13 | 3 | 97.6 |
| Dwr Cymru Welsh Water | River Afan | Afan St CSO | 5 | 1 | 99.7 |
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.
Get in touch if you have queries or want to discuss our data.
press [at] top-of-the-poops.org