Media Queries
Get in touch if you have queries or want to discuss our data.
press [at] top-of-the-poops.org
Please Support Us
We rely on donations to fund our work. Please support us if you can
Here are all the reported sewage overflow totals for River Lwyd in 2025. Sometimes sewage can be being dumped for months at a time.
| Company | Waterway | Site | Sewage Dumps | Duration (Hours) | Reporting % |
|---|---|---|---|---|---|
| Dwr Cymru Welsh Water | River Lwyd | LLANFRECHFA STORM TANKS PONTHIR | 125 | 1,535 | 99.9 |
| Dwr Cymru Welsh Water | River Lwyd | Chapel Lane CSO | 68 | 1,241 | 97.4 |
| Dwr Cymru Welsh Water | River Lwyd | CSO at Griffithstown Subsidary Sewer | 98 | 809 | 99.3 |
| Dwr Cymru Welsh Water | River Lwyd | CSO OPPOSITE THE JOB CENTRE IN | 113 | 625 | 98.4 |
| Dwr Cymru Welsh Water | River Lwyd | New Road CSO, Pontypool | 80 | 436 | 99 |
| Dwr Cymru Welsh Water | River Lwyd | Pontnewynydd Mill Rd CSO | 77 | 381 | 99.1 |
| Dwr Cymru Welsh Water | River Lwyd | Pontypool Freeholdland Rd | 52 | 317 | 95.5 |
| Dwr Cymru Welsh Water | River Lwyd | Pontypool (Pontymoile) CSO | 60 | 307 | 99.4 |
| Dwr Cymru Welsh Water | River Lwyd | St Albans School CSO, Pontypool | 65 | 301 | 97.4 |
| Dwr Cymru Welsh Water | River Lwyd | Blaenavon Band Hut MH 57A SWO 2 | 42 | 217 | 99.3 |
| Dwr Cymru Welsh Water | River Lwyd | CSO at Blaenavon Station Terrace | 55 | 212 | 97.2 |
| Dwr Cymru Welsh Water | River Lwyd | Blaenavon Forgeside CSO | 24 | 167 | 99.4 |
| Dwr Cymru Welsh Water | River Lwyd | Abersychan CSO Coed-Yr-Eos Farm | 58 | 137 | 99.9 |
| Dwr Cymru Welsh Water | River Lwyd | CSO at Cwmbran Sebastopol Avondale Rd | 37 | 93 | 99.1 |
| Dwr Cymru Welsh Water | River Lwyd | LOWER NEW INN (PONTYFELIN LANE | 16 | 82 | 99.8 |
| Dwr Cymru Welsh Water | River Lwyd | Snatchwood Rd CSO | 32 | 77 | 97.5 |
| Dwr Cymru Welsh Water | River Lwyd | RISING SUN BRIDGE CSO | 41 | 62 | 96.5 |
| Dwr Cymru Welsh Water | River Lwyd | HOSPITAL ROAD CSO ST JOHNS AMBULANCE | 40 | 47 | 99.9 |
| Dwr Cymru Welsh Water | River Lwyd | Rose Cottage CSO | 38 | 40 | 99.9 |
| Dwr Cymru Welsh Water | River Lwyd | Pontypool Hanbury Rd/Italian Gardens CSO | 31 | 34 | 95.3 |
| Dwr Cymru Welsh Water | River Lwyd | Trevethin CSO | 12 | 30 | 39.1 |
| Dwr Cymru Welsh Water | River Lwyd | 103 Beaumaris Drive Cwmbran CSO | 7 | 20 | 99.9 |
| Dwr Cymru Welsh Water | River Lwyd | Convent Garden CSO, Llantarnam | 10 | 19 | 99.5 |
| Dwr Cymru Welsh Water | River Lwyd | Stanley Place CSO, Pontnewydd, Cwmbran | 21 | 15 | 92.2 |
| Dwr Cymru Welsh Water | River Lwyd | Pontnewynydd Mill Rd O/S No 4 CSO | 2 | 5 | 99.9 |
| Dwr Cymru Welsh Water | River Lwyd | 7 Olway Close CSO, Llanyravon | 5 | 3 | 100 |
| Dwr Cymru Welsh Water | River Lwyd | Coed Farm CSO Cwmavon Blaenavon | 2 | 3 | 99.9 |
| Dwr Cymru Welsh Water | River Lwyd | PONTNEWYNYDD CSO | 4 | 1 | 99.7 |
| Dwr Cymru Welsh Water | River Lwyd | Usk Road Pumping Station | 3 | 0 | 99.9 |
| Dwr Cymru Welsh Water | River Lwyd | CSO at Rosemary lane End of Car Park | 2 | 0 | 89.4 |
| Dwr Cymru Welsh Water | River Lwyd | Hospital Rd CSO, Pontnewynydd | 1 | 0 | 99.8 |
| Dwr Cymru Welsh Water | River Lwyd | 2 Llangorse Road CSO Llanyravon | 0 | 0 | 82.7 |
| Dwr Cymru Welsh Water | River Lwyd | 3 Olway close CSO Llanyravon | 0 | 0 | 83 |
| Dwr Cymru Welsh Water | River Lwyd | Leigh Rd CSO, Pontypool | 0 | 0 | 99.9 |
| Dwr Cymru Welsh Water | River Lwyd | Pleasant Court CSO, Limekiln Rd, Pontypool | 0 | 0 | 99.4 |
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.
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