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Here are all the reported sewage overflow totals for Unnamed Watercourse 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 | Unnamed Watercourse | MALPAS SUNNYSIDE PS | 16 | 155 | 99.9 |
| Dwr Cymru Welsh Water | Unnamed Watercourse | Bronllys Rear of garage A479 | 48 | 104 | 99.1 |
| Dwr Cymru Welsh Water | Unnamed Watercourse | Tan-y-Fedw CSO, Trefriw (MH No. 104) | 18 | 92 | 99.4 |
| Dwr Cymru Welsh Water | Unnamed Watercourse | Fford Offa CSO | 31 | 48 | 99.2 |
| Dwr Cymru Welsh Water | Unnamed Watercourse | CAERNARFON MARGARET STREET SSO | 57 | 36 | 98.7 |
| Dwr Cymru Welsh Water | Unnamed Watercourse | GLADSTONE ROAD CSO | 8 | 22 | 99.9 |
| Dwr Cymru Welsh Water | Unnamed Watercourse | LLANFAES PS (EMERGENCY) , , | 1 | 2 | 99.7 |
| Dwr Cymru Welsh Water | Unnamed Watercourse | Bagillt verge off Manor Drive CSO | 3 | 0 | 99.3 |
| Dwr Cymru Welsh Water | Unnamed Watercourse | IND ESTATE LLANDUDNO JUNCTION GLAN | 1 | 0 | 99.9 |
| Dwr Cymru Welsh Water | Unnamed Watercourse | MERLLYN LANE BAGILLT | 0 | 0 | 96 |
| Dwr Cymru Welsh Water | Unnamed Watercourse | Treberth Estate CSO | 0 | 0 | 99.9 |
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