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Polluted by sewage 770 times in 2024 lasting 4,959 hours
Monitoring fell below 50% in some locations so could be more
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Donate NowHere are all the reported sewage overflow totals for Ystradgynlais in 2024. 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 locality 1 of the total 10 CSO locations had reporting enabled for less than half the year.
| Company | Waterway | Site | Sewage Dumps | Duration (Hours) | Reporting % |
|---|---|---|---|---|---|
| Dwr Cymru Welsh Water | Culverted, River Tawe | CSO 4 Opposite Lamb & Flag Cottages | 184 | 2,377 | 99.8 |
| Dwr Cymru Welsh Water | River Tawe | Rear of Canal Cottage CSO, Abercrave | 143 | 807 | 88.2 |
| Dwr Cymru Welsh Water | River Tawe | CSO at O/S 17 Glantawe Row Ystradgynlais | 111 | 522 | 98.5 |
| Dwr Cymru Welsh Water | River Tawe | Nr Gough Arms MH CSO | 93 | 393 | 98 |
| Dwr Cymru Welsh Water | River Tawe | SWN YR AFON CSO, Ystradgynlais | 68 | 245 | 98.2 |
| Dwr Cymru Welsh Water | River Tawe | CSO at MH 92 nr Claypon Bridge, Ystradgynlais | 28 | 189 | 98.7 |
| Dwr Cymru Welsh Water | River Tawe | CSO 12 B4599 Road Bridge | 54 | 169 | 68 |
| Dwr Cymru Welsh Water | Nant Gyrlais | CSO 10 Rear Of Waun Gyrlais Penrhos | 67 | 151 | 87 |
| Dwr Cymru Welsh Water | River Tawe | CSO at Mason Arms, Ystradgynlais | 19 | 77 | 97.8 |
| Dwr Cymru Welsh Water | River Tawe | SWO.M'HOLE12 CWMTAWE FM PENRHOS | 3 | 28 | 4.1 |
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.
press [at] top-of-the-poops.org